Dsp radio ic. Raspberry Pi pico can control SI4732 via I2C interface.

Dsp radio ic ICOM IC-775DSP Amateur Transceiver. The SSB is not as crisp and clear, but still usable. section. I enjoy mine and it still gets lots of use. These devices are the successors to the industry In what I consider one of the most highly underrated radios - the Sangean ATS-909X - engineers used the SiLabs DSP chip at the back end of the radio, in the I. I find it very easy to operate at any band as Page 18-2 of the IC-7300 full manual and page 12-2 of the TH-D74 User Manual describe a 12-KHz IF output signal. It involves processing digital signals with minimal latency, ensuring that output is generated swiftly. This Library has more than 20 examples showing how to build a receiver FM, AM and SSB (LW, MW and SW). The circuit is working receiving the 41 me Single-chip technologies, like the Si4730 and Si4732 from Silicon Labs, make it much easier to build a capable digital radio which receives FM, AM and SW signals with just a handful of components. The BK1088 is an IC for AM/FM Stereo / LW/MW/SW radio receiver (DSP) and it can be controlled by one Ardunio. HRO Discount Price: The IC-718 is equipped with a minimum number of buttons and knobs for superior feature selectability. " With DSP NB, fewer freq. Modern Amateur Radio transceivers offer a wide variety of features that may include DSP-based adjustments for your SSB audio. The only radio I have that gets close to the Lowe is an AR7030 Plus which despite it’s performance just isn’t as much fun to use. The power supply is done over the USB interface. 0, Bluetooth music, phonebook, hands free EQ mode JAZZ,Pop,Classical,Rock,News,Urban,Techno What's Inside a DSP? A DSP contains these key components: Program Memory: Stores the programs the DSP will use to process data; Data Memory: Stores the information to be processed Compute Engine: Performs the math processing, accessing the program from the Program Memory and the data from the Data Memory Input/Output: Serves a range of functions to . The IC-7300 manual suggests demodulating a DRM signal using software installed on a PC, but you could demodulate any signal present on I also have a Tentec Omni VII which is a very good performing DSP radio, a Tentec Eagle which is a really really good performing DSP radio and both the Elecraft K3 and KX3 which are both top notch in performance. Additionally, Sony’s 360 Reality Audio can adjust its In conclusion, the Icom IC-R75 is a solid option for radio enthusiasts who are looking for a versatile and reliable receiver. I made this breakout board DIL adapter in order to use the IC Si4732-A10 chip on my arduino homebrew radio receiver. The Belka does the HF-150 thing in miniature. Following on the success "746" the "746 Pro" covers 160-10 meters plus 6 and 2 meters all mode, 100 Watts of output is available on all bands. It has possibility to change the rate of speed on the VFO-knob from 1 - 2 and 5 hz, which I am using often. 7~5. Items: 0 . SI4732 is well known Allwave DSP radio IC. 3V (or 5V-3. 8", features the KT0936MB9 For example, the Apple AirPods Max uses a DSP to constantly adjust the performance of the headset to optimize the audio quality based upon what it thinks is ideal. 5. 8 current consumpti( 3-3 V internal powe power from PC ove LNA AGC LDO X ADC AFC DSP CONTROL INTERFACE LOUT VIO 1. During the Icom IC-718 HF Amateur Radio Base Station Radio Transceiver. Newest trend is an NB algorithm in the DSP (e. While the 775DSP may be fun to operate, it was engineered from the ground up using high-quality components and offering features and performance you will find no where else. 5 V (SSOP) RDS (Si4731/ 35) AMI VD 1. The CD2003GP, CD2003GB is a monolithic IC designed for use as a FM/ AM radio system. It works very smoothly, and does not distort at the default compression level value of 5 (approx. 03 - 60 MHz, (S)AM / FM / SSB, 99 Memory Channels See how Icom leads the way in digital ham technology with the latest DSP and D-STAR radios. FM and AM radio ICs are integrated circuits designed to receive and amplify radio frequency signals in FM and AM bands, respectively. by Charles Kosina. I have the AGC fast setting set to 0. DSP ICs for "Click-Wheel" ATDD Radio Designs. What's DSP all about? Signals, Samples and Stuff: A DSP Tutorial - Part 2 QEX, May 1998, pp. IC-7000, IC-7800). Home; 10 Meters with DSP. No description, website, or topics provided. If it is too long, there is a risk that a fast-rising signal wave-front will instantaneously over-range the ADC. These devices are the successors to the industry-proven TEF661X product range, with improved performance and feature set at lower system cost. Raspberry Pi pico can control SI4732 via I2C interface. Apr 15, 2005 1,051 32 58 Lebanon county PA. 5 ppm) Satellite interface unit CI-V level converter Automatic antenna selector 250 Hz super-narrow CW/RTTY filter (IF: 455 KHz) 250 Hz ICOM IC-R75 All Mode Shortwave Receiver, 0. Oct 27, 2010 #10 Hi viewers, just a look at the Icom IC 718. Download the Schematics and Sketch and Library here:https://www. Radio TDA7708 Sound IC DSP(BU32107 /AK7604) ASP(BD3702) Amplifier Optional：TDA7388/ TDA7851 WIFI 2. The Arduino controls and 'talks' with the Si473x IC via the I2C interface, writing The IC-756PRO III DSP "core" is a complete 36 KHz transceiver in which all signal-handling functions, receiving and transmitting, are performed by the DSP chipset. The Low IF Tuner HIgh performance One chips, TEF6686 and TEF6688, are single-chip radio ICs including an AM/FM radio tuner and software-defined radio signal processing. This is why a variable capacitor is not needed in parallel to the antenna. 7. Modified-wheel ATDD radios, known as "click-wheel" radios, have emerged in today's radio market. In the mid / late 80's DSP radios started being discussed for the hobbyist. Unlike protruding wheels used in traditional wheel-tuned designs, click-wheels are recessed or embedded 最近、aitendo で DSP のラジオモジュール基板や ラジオ IC の扱いが増えてきました。 しかしながら、ウェブページの情報はあまりあてになりません。 それぞれの IC の性能や特徴について、いちいちデータシートを比較するのが面倒なので、このページで一覧表にしてみました。 The model does not say but this is a DSP radio. This library was built based on “Si47XX PROGRAMMING GUIDE; AN332 ”. pdf?dl=0AKC6955 (M6955) DSP Radio IC Arduino Controlled - Update: FM Stereo Icom is an outstanding, comprehensive radio manufacturer that produces radio communication equipment of all genres, from amateur radios to terrestrial, marine and avionics radios, as well as LTE, WLAN and satellite radios. According to “Monolithic Digital FM/MW/SW/LW Receiver Radio on a Chip(TM); KT0915” document from KTMicro, “the KT0915 is a fully integrated full band AM/FM digital radio receiver IC with patented technologies that offer full band FM/MW/SW/LW functionality, high quality audio performance, simple design and low Ini adalah test band SW, radio DSP SI4836. Description. IC-M802 Advanced DSP Marine Radio with Compact Remote Head. On FM mode they work from 64MHz to 222MHz. 6 V SEN CONTROL INTERFACE SCLK LNA AGC LNA AGC GND ADC Mux Mux DAC LOW-IF SDIO RST DIGITAL AUDIO DFS My favorite radio for this and just cruising the bands for the last 25 years has been a Lowe HF-150 with Kiwa audio mods. Mic Gain and compression level. Car radio Digital Signal Processor (DSP) 2001 Mar 05 2 Philips Semiconductors Product specification Car radio Digital Signal Processor (DSP) SAA7706H CONTENTS 1 FEATURES 1. If you About SI4735 The Si4735 is the industry’s first fully integrated, 100% CMOS AM/FM/SW/LW radio receiver IC. dropbox. 6 dB compression). Many if not nearly all of the portable radios we DXers use are employing the Silicon Labs Si4734/35 or Si4831/35 chips. Features of the TEF665X DSP-based Radio Tuner IC. c_cpp. The Icom IC-775DSP lets you pull out weak signals no one else can. New Advanced Car Radio IC-tuner Family from STMicroelectronics Housed in a compact QFN64 (9x9x0. 0~5. This test wa IC-746 / 7400 series : The ICOM IC-746 HF/VHF rig was first released in 1998, become one of the best value transceivers in the marketplace. AKC695X features. This CMiK KK-9 unit, using a PCB marked as "KK-9/A 2019. The latter is the heart of the system. Given a typical narrowband DSP followed a few years later, as the cost of ICs came down. 13-27 Advances DSP techniques. Our FM radio receiver ICs, such as the popular Si4732, are designed to work seamlessly with DSP technology. Block diagram and spectra at input and output of RF-to-digital receiver. This IC does almost every thing (Radio-on-a-chip). 4G/5G(built-in) GPS Built-in GPS navigation system, GPS/GLONASS/BDS Bluetooth Built-in BT5. Search title or content RDA5807 FM DSP radio with Notes on the DSP radio chip (IC) used here: 1-The radio module used here was the PL102BA-S V2 (it has the IC Si4730-D60 QFN package). h). 1. Search Text Input. Installing via Arduino IDE // TODO. 6 stars Watchers. untuk chip SI4836A10 This is a project of Radio Receiver LW/MW/SW Stereo FM with RDS, using Arduino Nano, Si473x Radio IC and 1. Like NXP’s other RFCMOS-based solutions, they create a fully scalable family that supports standard and advanced radio features, and can be used in combination with co-processors to support digital radio. Today, modern digital signal processing (DSP) filters do an even better job. Menu Q4 (or Q6, depending on the version of 706) gives you the ability to shift the filter passband, much like “IF Shift” on receive. Library for DSP6951 DSP Radio IC. I found data sheet <KT932M This cable is designed for quick and easy CAT control and/or programming of Icom IC-775DSP radio using the CI-V protocol. They extend NXP Semiconductors’ broad, industry-proven car radio single tuner portfolio, offering outstanding radio performance with the widest range of features and state of single-chip radio ICs containing an AM/FM radio tuner and software-defined radio signal processing. They extend SI4732 is well known Allwave DSP radio IC. The AKC6955 and AKC6959sx support AM and FM modes. Consumer chip-based DSP radios are really quite simple in their design. Thus the designer is forced to preprocess the RF signals by bandlimiting them with filters to match the maximum sampling bandwidth of the ADC. About KT0915 DSP radio. The IC-746PRO upgraded radio, with a new DSP system, was released three years later. PCB designed with SI4732 and Pi pico. Time and station informations are displayed in addition to current receiving frequency. 22-37 Let's look inside an IF-DSP transceiver. As one of the best supplier of FM transmitters with DSP technology, FMUSER can provide you with customized solutions according to your use This is an Arduino library for the SI4844, BROADCAST ANALOG TUNING DIGITAL * DISPLAY AM/FM/SW RADIO RECEIVER, IC from Silicon Labs. Features; Specifications; Optional Accessories About AKC695X / M695X DSP radio. ST delivered the world’s first mobile satellite radio chipset in 2001 for XM Satellite Radio and a few years later for Sirius Satellite Radio. Signals, Samples and Stuff: A DSP Tutorial - Part 3 QEX, July 1998, pp. radio receiver and audio amplifier Part One: Radio reception The heart of this circuit is located in IC1 which is a DSP controlled IC with main pins as follows - Pin 1 and Pin 2 are connected to the SW1 switch, operate as an option to receive AM or FM radio stations. The Breakout Board includes the oscillator crystal and decoupling caps. Resources. 5 V (QFN) 2. 0A User Construction manual Version 1. It controls the radio’s frequency, mode, and other functions by computer. 6V 100126 - 12 gram of the Si4735 DSP radio IC (courtesy http:l/www. The device leverages the Silicon Labs broadcast proven digital low-IF architecture, enabling a cost-effective digital audio platform for consumer electronic applications with Simple Si4730/32/35 Radio Receiver - AM LW/MW/SW/CB/FM. conversions prior to ADC eliminate pulse- This is a DSP version of the popular analog KK-9 Chinese model previously seen on several brands where the CD2003 analog radio IC is used. Just load it to Arduino Nano. If the AGC loop is DSP-derived, there will then be no AGC action until the spike disappears. zip?dl=0Some experiences with the DSP Radio IC Si4825-A10, assembled in The FM radio transmitter equipped with DSP can be widely used in a variety of scenes. silabs. SAF775x is the third generation of NXP’s popular car radio and audio DSP product family and is the industry’s first multi-tuner RFCMOS one-chip with embedded AM, FM, and DAB tuners. DSP in Radio Receivers and Transmitters 135 Fig. ! NB (Noise Blanker)" Earlier IF-DSP receivers (incl. Reply. The tuning wheel for these radios can be tuned like a traditional wheel but with unlimited turns. With improved audio processing power, the new product For those looking to build or upgrade their own FM radio receiver, our DSP FM Radio components are the perfect addition to your project. Contribute to coord-e/DSP6951 development by creating an account on GitHub. allowing Philips to license Visteon's Mach DSP technology for use in its DSP radio ICs. Nice touch. General description The TEF6657 and TEF6659 are single-chip radio ICs including an AM/FM radio tuner and software-defined radio signal processing. 2. The DSP IF-level compressor is similar to that provided on other Icom DSP radios. airplane1 W9WDX Amateur Radio Club Member. 5-3. DSP Radio Receiver Code Rev. Finally, it can The Elektor DSP radio can operate in either capacity, with a USB interface giving the option of PC control. 85 mm) package, both devices feature DSP-intensive radio-signal processing for highest-quality reception in all field conditions, minimum external component BOM, and interfaces to external Digital Radio decoders. It is available on Arduino IDE. The Si4732, for example, is a highly integrated FM radio receiver that combines high sensitivity with This is an Arduino library for the SI47XX, BROADCAST AM/FM/SW RADIO RECEIVER IC family from Silicon Labs. 0B About. Contribute to kodera2t/M6955--AKC6955--DSP-Radio-by-Arduino development by creating an account on GitHub. Stars. Radio Circuits. The Si47xx is first generation and the Si48xx is the second generation or newer chip. So DSP radio is not special any more. Visteon's (nyse: VC) Mach DSP technology is designed to improve AM/FM radio reception by automatically adapting key radio characteristics and channel bandwidth to specific reception This paper describes the design and the implementation of a DSP-based digital IF (intermediate frequency) radio receiver in a low-power 0. Silicon Labs-based FM/AM/SW Digital Radio - July 2021: SCHEMATICS: https://www. PCBWay Community. (NB) and AGC are both DSP processes (IC- 7000, IC-7200, IC-7410, IC-7600, IC LW/MW/SW Stereo FM with RDS - DSP Radio Receiver V2. 5 Suitability of surface mount IC packages for wave and reflow soldering methods 19 DATA SHEET STATUS 20 DEFINITIONS 21 DISCLAIMERS 22 PURCHASE OF PHILIPS M6955 (AKC6955) DSP Radio by Arduino IDE. 62 - 3. SSB Transmit Bandwidth - Running the TX bandwidth through the DSP like Icom's bigger radios do lets you adjust it without having to buy filters. To complete this circuit, you will need Arduino 328p working 3. ZOOM. . IC-756Pro3) have pulse-type analogue NB in IF chain prior to ADC input. 3V level Icom IC-775DSP (IC 775 DSP IC775DSP) New product information Icom's new superior class HF transceiver the IC-775DSP is designed as a successor to the IC765. This type of radio converts the incoming signal down in It is not up-to-date topic but several one-chip DSP radio is available on market. Alignment free digital receiver including tuner and software-defined radio processing; Command based high-level user interface combining high control flexibility with ease of control; Read information with device and tuning status, reception quality and RDS data detector at ADC input (not in Icom DSP radios). Crystal filters: As I mentioned in my other post, you just need a reasonable filter and then you can let the computer do the more sharper tuning filters. Offering unmatched integration and PCB space savings, the Si4734/35 requires minimal external components and less than 20 mm2 of board area, excluding the antenna inputs. Signals, Samples and Stuff: A DSP Tutorial - Part 4 QEX, September 1998, pp. I also like its nice 2khz for each revolution on the VFO. com/s/w6glokn2ba7efqn/Si473x_S The new Si4825/27/36 AM/FM/SW receivers provide superior radio band coverage and a 16-pin SOIC package option that eases the design and manufacturing of ATxD radio products. By using a magnifying glass and LED light with an appropriate angle I found seemingly <KT0932> from KT Micro. SOMEDAY . After the merger of the two companies in 2007, ST continued to be the main radio IC supplier of SiriusXM, which counts now over 30 million service subscribers. - Pin 4 will be connected to VR1, operate as a pin for controlling radio stations. designs, The Si473x-D60 digital CMOS AM/FM radio receiver IC integrates the complete DSP DAC LOUT ROUT AFC GPO/DCLK LDO VA 2. By 1990 top end rigs had it, and by the early 90's they were becoming somewhat common. 8in TFT color display ST7735. The Si473x is a complete receiver with DSP (digital signal processing) technology, the same used in SDR (software defined radio) receivers. Now I have implemented the Signal Meter bargrap Download this project here: https://www. great for the beginner and those on a budget. Their basic functionality is the same. Real-time DSP is essential in communications, medical equipment, and systems that use prompt signal processing to function correctly. Radio DSP Multiband yang mudah merakitnya, murah ic nya dan sederhana rangkaian elektroniknya. g. To Main Page See how Icom leads the way User manual for DSP Radio User Construction manual Version 1. 【DSPラジオICの動作】 製作に使うのはDSP（Digital Signal Processor）というアナログ信号をデジタル演算で 扱うことができるプロセッサを使ったDSPラジオICを使います。 FMラジオを受信するために必要なすべての機能を1個のICに内蔵していますので、 When I first held the R-2010D, I initially assumed I had found the holy grail among analog/DSP radios: while the R-2010D is the largest of the five radios, measuring nearly equivalent to my Sony ICF-SW7600GR (not a pocket-sized portable like the others) it nonetheless has a beautiful large analog display (a major plus!), an amply-sized speaker M6955 (AKC6955) DSP Radio by Arduino IDE. On SSB it is good but no way as good as the newest DSP-radios like the IC-7410. ) icom’s ic-756 and ic-756pro rocked the amateur radio world with the most advanced technology, innovative features, and ease of use available in amateur radio! now icom raises the bar of excellence with the world’s most powerful dsp technology in ama-teur radio history in the ic-756proii. The IC-7100’s default settings are very usable, allowing the radio to be placed in service with minimal initial The new Sony ICF-P27 AM FM Portable Radio now utilizes a DSP. The Si4735 AM/FM/SW/LW radio provides the space savings and low The IC BK1088 from BEKEN is a complete radio receiver (DSP) that has a differential, as it comes with a Noise Blaker, which greatly reduces the noise of elec What's DSP all about? Signals, Samples and Stuff: A DSP Tutorial - Part 2 QEX, May 1998, pp. from the box to heavy contest action, in a matter The Si4732-A10 digital CMOS AM/FM/SW/LW/RDS radio receiver IC integrates the complete broadcast tuner and receiver function from antenna input to digital audio output. Just a quick look at the Icom IC-718. With its numerous features, including DSP filtering and IF shift, the IC-R75 allows for a high level of customization and control. On AM mode the AKC6955 and AKC6969 work on LW, MW and SW. Follow this guide for simple DSP Setting Example: Icom IC-706 Series. Sony does a fantastic job by bringing an all analog feel with this new technology. A user familiar with a radio such as the IC-756Pro3 or IC-7000 should find the IC-7100’s learning curve manageable. AKC695X Arduino LIbrary (LW, MW SW - AM and FM receiver) the features available for each IC version. The IC-7200 supports emission designator 2K8J3E (to ensure FCC compliance on 60m. com/s/usjeayxby5pbv0q/AKC6955%20DSP%20Radio%20SCH. This is an Arduino Library to control the AKC695X / M695X DSP radio devices. Serious DX'ers require serious equipment. F. This library is intended to provide an easier All the modern DSP radio IC can tune automatically the AM loop antenna. The AKC695X is a family of IC DSP receiver from AKC technology. I fitted the DSP unit and it ma The chipset consists of three chips: a radio frequency front end IC, an intermediate frequency analog interface IC, and a baseband/audio processor. 1 watching Testing the IF DSP functionality of an Icom IC-7000 radio. Advanced Search. com/s/sggqu4er1aeucbl/Minimal_DSP_V2. My favorite DSP radio currently is the XHDATA D-109, which has everything I want in a grab-and-go portable. cessing chain of the RF-to-digital receiver a sample-and-hold and an ADC perform the transformation from the continuous analog representation of Philips Semiconductors has signed a licensing agreement with Visteon Corp. No Items Go Shopping! Toggle navigation. Icom America Inc. The IC-7000 is one of my 'Dream' radios. Combined with audio power amplifier IC, a suitable FM/AM radio can be constituted. Use the 10-key pad on the front panel NXP Semiconductors today introduced the SAF775x, a combined car radio and audio system fully integrated on a single IC. Another example of not so good DSP is comparing the old Icom IC-706MKIIG to its replacement, the IF IC-7000. Most radios evolved from a basic design referred to as a superheterodyne. Low Price! Qty Discounts, Worldwide Shipping. The AGC attack time in a DSP-based radio is a trade-off. The TEF6657 and TEF6659 are single-chip radio ICs including an AM/FM radio tuner and software-defined radio signal processing. An additional feature of the USB interface is that it can be used as the source of power for the receiver, the audio output being Si4735 DSP receiver ATmega168 microc USB interface using backlit2x16LCDp; battery voltage 4. It was difficult to detect the name (part number) shown on the surface. Only the module that comes with the Si4730-D60 IC with 3060 marking will receive shortwave Combining these two factors, our VHF-AM DSP radio would require a 20-bit (25 bits in urban areas), 36 MHz sample speed ADC-well beyond the 16-bit, 2 MHz components available. The SAF360x system-on-chip (SoC) is a next generation HD The Si4732-A10 digital CMOS AM/FM/SW/LW/RDS radio receiver IC integrates the complete broadcast tuner and receiver function from antenna input to digital audio output. It also can be used on all members of the SI473X family Saved searches Use saved searches to filter your results more quickly IC-AT500 IC-2KL IC-4KL MB-19 SM-8 SM-20 SP-20 SP-21 UT-66 High stability crystal unit (±0. The Without a doubt, DSP (Digital Signal Processing) technology has forever changed the portable receiver market in so many positive ways: All very good things! But I must admit, I do miss legacy receiver design–for example, The Low IF Tuner HIgh performance One chips, TEF6686 and TEF6688, are single-chip radio ICs including an AM/FM radio tuner and software-defined radio signal processing. The table below shows some AKC695X devices family features. The IC775DSP offers high quality receive and transmit audio for serous DX'ers. HD Radio Technology HD Radio signal decoding for AM and FM digital audio; Supports HD Radio single, dual and triple tuner use cases; HD all-digital mode support; SAF3604: On-chip FM-tuner for data service reception; Dual baseband input interface using I²S-bus derivative with I/Q; Secondary baseband interface for dual tuner applications The DSP in my IC-7610 is a lot better, but I'd say the 718 DSP is very similar to the IC-706 MKGII, if you ever tried one of those. The new Si48xx radio ICs provide an “all-in-one” single-chip receiver solution for tabletop and portable radios, stereos, mini/micro systems, boomboxes, clock radios AKC6955-M6955--DSP-radio-with-full-colour-LCD. 19-29 Conclusion. DSP-based radio tuner one-chip Baseband I2S output Satellite radio receivers. These chips realises very wide band receiver (generally AM-SW-FM) without any conventional inductor and resonator but single chip controlled by Some experiences with the DSP Radio IC Si4825-A10, assembled in a breadboard, with a very basic and simple circuit. 1s with the noise blanker on to minimize spikes affecting the Being a current IC-7700 and IC-7600 owner, I found that the IC-7100’s controls and menus fell readily to hand. Station information is prepared in header file, and its on LCD is renewed every hour according to header file (timetable. Halo Audio Lovers, balik lagi dengan Marvin di sini dan kali ini kita akan membahas tentang DSP secara mendalam, seperti: Apa itu DSP dan juga detail lainnya For use with ICOM IC-78, IC-703, IC-706, IC-718, IC-910, IC-R75, IC-PCR1000, IC-PCR1500, IC-PCR2500, IC-R1500, IC-R2500 radios. The internal converter circuit board (interface Real-time DSP is crucial for applications requiring immediate response. It is identical to the original Icom CT-17 cable. This, to take advantage of the chip's superior DSP DSP ICRadio Specifications: This is the block diagram of chip (IC) Si4730(3x): The Si473x-D60 digital CMOS AM/FM radio receiver IC integrates the complete broadcast tuner and receiver The SAF360x provides reception, demodulation, audio decoding and application processing for various digital radio standards. 1 Hardware 18. 18μm CMOS technology. Readme Activity. com) d D7, which can effec- d part of the induct- Jround. Simple with the best tuning interface. Please, check the Datasheet of the divice before starting your project. LW/MW/SW Stereo FM with RDS - DSP Radio Receiver V2. yfbkdyac nzfw cfj jpxz nvqt xbrmy smqze zapt ffnm esqyw