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It works, though I found that the power supply caused the digital display to go haywire on 20 meters

The AGC the noise reduction and bandwidth possibilities offered are very good as well 6 kHz USB, NR off, NB off, Preamp off, ATT off, AGC-F . This DSP technology was taken to the next level with the TS-590S/SG 残念ながら、ts-590sの方は測定データがないものの、ic-705の2khz離調時で-110dbという値は、兄貴分のic-7300を超えてic-7610にも引けを取らない値です。 特にRFダイレクトサンプリングを採用した機器ではこの値が良好なものが多く、いわゆるスーパー .

You just dial in the width you want and select whether you want a sharp or

Visualizza altre idee su Radioamatori, Antenne, Electronics projects AGC (fast/mid/slow/off) G: Mute on/off: M: Volume +/- Swap position of Waterfall/Spectrum: S: Swap position of RF/AF Display: Ctrl+S: Save current RF Waterfall to image file (in WAV recording directory) Ctrl+W: Collapse Mode (only upper Display) Shift+C: Compact Mode (without RF+AF Display) Shift+X: Zoom RF Spectrum: Ctrl+'+' UnZoom RF Spectrum . - Built in digital off air audio recorder with usable quality for MW / SW / FM Broadcast use (higher quality recording over IC-7300) If you suspect that your IC-7300 is off of the dial frequency, it is easy to check, and set, with your regional broadcast time standard .

30 AGC Off: i: At 1 kHz dynamic also 95 dB but with 300 Hz roofing

After 2-10 mS delay as the signal passes through the IF filters and other IF stages, the reduced RF signal level appears at the PA stages For instance, in my particular case, I will be mounting my IC-7300 in my Merc G550 SUV, using either the Icom AH-740 or AH-760 autocoupler antenna systems, I own both antenna sysytems, and plan to see which one performs better in a mobile environment . ” Having 2 VFOs is convenient to quickly select 2 frequencies, or for split frequency Turning power ON or OFF operation (p IC-UR8050 - Turn the power off, wait a few minutes and turn the power back on .

FPGA Introduced with the IC-7300, Icom’s RF Direct Sampling System has made SDR performance affordable

World-class transmit audio quality A dynamic microphone (T/E models) and a speech compressor come standard for sharp, clear and powerful transmitting audio Do you have the ALC connected from amp to the 7300? My guess is not and the overshoot you are seeing is something I have noticed on the 7300 if you’re over driving the audio input . 03:03 Setting up Icom 7300 for receiving and transmitting JT65, JT9 and WSPR Computer sound-card decodes receive audio and the .

I can throw in a desk microphone that works with it

Here's how I successfully configured the IC-7100 for Fldigi in November 2013 The AGC time constants are selectable from fast, slow and off for each operating mode . The IC-7610 is quieter operating and on digital modes I can’t hear TX (relay) kick in Also, if this button is off, no data will be sent to the .

Experiment and see what the differences are! Icom 7300 MENU>SET>Connectors

The IC-7700 accommodates both the on-the-fly operator as well as the most avid tweaker operator by providing tunable AGC preset and manual AGC level controls This means that automatic gain control (AGC) is even more critical in SDR than in analog receivers . I am not decoding very many stations on FT-8 on my FT-891 vs what I decode on my IC-7300 receive and execute cat string with higher priority than any internal processes .

) Unzip and save the downloaded firmware file in IC-7300 folder that is on the card

POTA Field Report: Activating the BRP with my new-to-me Icom IC-703 Plus January 18, 2021 Mistakes and miscalculations might make us better field radio operators January 17, 2021 Icom Firmware update will include “Smoother FT8 Mode Operation” and other improvements to the IC-705, IC-7300, and IC-9700 January 15, 2021 It must be OFF in digital modes, or you will splatter to high heaven, and anger other hams . This supplemental power may add a 3 dB to the TX signal, improving a bit a CW signal lost in QRM, or can be useful in driving an amplifier Due to its strong front end it does´not overload easily, when other transmitters are in close vicinity to it (as it is on fielddays etc .

In an interview on Ham Talk, Rob Sherwood of Sherwood Engineering, NC0B, offered ample praise for both the IC-7300 and IC-7610

You may experiment with different AGC characteristics, or AGC off, to find what receiver settings are the best for your FT8 decoding in your different radios You're done! 4) To reverse the process, just repeat the process . PreAmp Use : ON for WJ8711A / PreAmp 2 ON for the IC-7300 Frequency : 11710 kHz SW Broadcast Station: North Korea (on a very weak reception day) AGC : Fast (decay settings on IC-7300 as indicated below) No PBT or other filters on Tone : Treble set at +3 on IC-7300 Bandwidth : 2 The IC-7610 behaved flawlessly, and is an absolutely significant upgrade over the IC-7300 for CW operators .

Following on from the technology incorporated into the IC-7300, the IC-7610 adopts the same RF direct sampling system for signal processing

AMP/ATT: (leave default) AGC: FAST NB: OFF NR: OFF USB MOD Level: 40% DATA OFF MOD: MIC/ACC DATA MOD: USB USB Serial Function: CI-V CI-V Baud Rate: Auto CI-V Address: 94h CI-V Transceive: ON CI-V USB Port: Unlink from REMOTE CI-V USB Baud Rate: 115200 CI-V USB Echo Back: ON So, I am happy enough and I would not want to put anyone off . there is a mod available on u tube or send it back to dealer if under warranty VOX SWITCH This switches the VOX circuit ON and OFF .

Well, being a programming nerd, I thought it’d be fun to write my own little controller for the IC-7100

Giá luôn luôn tốt, Hàng chính hãng đầy đủ CO/CQ, Giao hàng tận nơi trên toàn quốc 320 Qs, 55K points, a little under last year’s 63K points (all search and pounce) . I have made use of the RX antenna in and out from the FT-1000mp Mark V to split the RX and return it to the main radio and send half to the SDR overdriven by signals that are outside the receive frequency; otherwise the automatic gain control (AGC) would attenuate the signal .

The built-in digital filter allows you to flexibly select the filter width and shape from soft and sharp and provides cutting-edge filter characteristics

12, 18, 21dB and OFF) A dedicated 50MHz band mixer using a Quad FET - IC-7300: as of July 2020 - IC-7100 The following assumes using a single USB connection from the rig to your Windows PC . Attenuation will probably be around 20 dB, but by dropping the noise level, the signal readability may improve It might be helping that my IC-7100 generally runs into linear amplifiers, which may cover up the low SSB power issue - on 6m an RM VLA150, on 4m a TE Systems 0610G and on 2m a Microset SR200 .

Phase noise levels under 10 kHz separation are -140 dBc/Hz for the IC-7610 and -135 dBc/Hz for the IC-7300

The Icom 7610 is more advanced and thus more complicated to configure I added all the items up that would have to be added to a factory build K3s so that it could do everything you claimed and everything the IC-7300 can do . The IC-7200 utlises the latest IF DSP technology including digital IF filter, digital twin PBT and manual notch filter An AGC circuit can be designed by any somewhat design-experienced builder, and some AGC circuits can probably be found on the internet for some models .

The first four letters in the program name stand for “Weak Signal communication by K1JT,” while the suffix “-X” indicates that WSJT-X started as an extended and experimental branch of the program WSJT

The IC-7600 has dual AGC loops, one analog and one digital, both under DSP control Model Frequency Range Power (W) Modes AGC RX(mA) TX(mA) Filter Bandwidth(Hz) K1: 2- or 4-Band module (HF) 0,1-7W CW yes 55 200–1000 200–800 . My Windows 10 computer was set by default to automatically sync the time every week and that turned out not to be good Abstract: The dynamic range of the system, which consisted of an Icom IC-7300, a Monitor Sensors 160m to 630m transverter, and an HP Elite 8300 i7 computer, is approximately 75 dB when running AGC .

The results of signal processing provide feedback to the AGC function

Uniden SDS200 Police Scanner Radio: How to Chang the Default from turning the screen off Icom IC-735: Some have reported the ability to transmit at 630 meters, but like the IC-7300 there is very little output at the desired frequency and there is the possibility of stressing components in the attempt . One of the AGC loops detects the AGC voltage at the BPF input in the DSP unit and feeds back to the 1st IF amplifier The game-changing aspect of the IC-7300 is not the fact that it is a software defined radio (SDR) .

It is an ideal tool to reduce ADC overload on the Icom IC-7300 with the new second receiver socket modification kit

icom 7300 2 meters, Shop charges $100-$150 to correct the output 4 Introduction PocketRxTx is an Android only application used to remotely control different Amateur Radio receivers or transceivers . The IC-7300 HF/50 MHz TRANSCEIVER is designed and built with Icom s state of the art technology and craftsmanship Part 1 starts with Icom 7300 setup in the menu and connectors .

Impulse noise capturing AGC may be more of a problem with shorter cycle times, such as with FT8’s 15 second cycle time, than with JT9’s 60

The case dimensions are 240(W) × 238(D) × 95(H) mm and the radio weighs 4 The IC-7300 features a large color touch-screen display . 6k, split mode operation, device manager and USB driver date, WSJT-X settings and JTAlert settings 18 Transmitting in Olivia digital mode with an ICOM 7300 Jan 12, 2018 · Price – The IC 7300 sells for $1,349 .

However, if the setting in Sentinel is set to turn off after 10 seconds (which is the SDS100 default) when you write to the scanner, that setting gets changed (unless you set it the way they want it in

Icom IC-7300, IC-7600) must have very strong RF band-pass filtering in front of their analog-digital (A/D) converters to prevent overload - but these filters aren't sharp enough to effectively filter the very strong 41 meter SWBC signals while passing the 40 meter amateur signals - so these 100W CW, SSB, data yes 150 400–1500 200–2800 KX2 80-10M 12W + opt . A game-changer is usually de-fined as a product that has the potential to disrupt a market Set aside your Signalink or whatever you were using with you old radio .

Icom IC-7100 / 7300 Received/Recorded Audio Playback over the Air: 12 Mar 2017: Erratic behavior/shutdown at high volume levels IC-7100: 08 Feb 2017: Increase peak SSB on ICOM IC-7100: 26 Sep 2016: Radio will not power up due to DC-DC Converter problem IC-7100: 27 Mar 2016: IC-7100 Zu geringe Leistung bei SSB: 20 Dec 2015 : HF SSB OUTPUT FIX

SET ICOM 7300 AGC For data modes I turn off Active Gain Control (AGC) • Mode-optimized Automatic AGC decay selection (OFF/SLOW/MID/FAST) • Versatile Memory system: 99 channels and up to 5 Memory Groups • Four-position receiver front-end attenuator (0/6/12/18 dB) for operation in noisy or strong signal reception environment . My experience with my Icom radios is, that I get the best FT8 reception on HF using the fastest AGC setting (0 Turn off AGC and ANL Once you are seeing signals in the WSJT-X waterfall, adjust the RF control on the 7300 so that the meter at lower left on the WSJT-X main panel shows signal strength somewhere around 60 or 70 -- consistently in the green range, never red .

Use the microphone gain, compressor, and EQ to set up your audio correctly, and tailor it to your voice

The IC-7300 at the current $1000 price is a much better value with build in audio card for digimodes and a very good tuner, it is bigger than the FT-891 though 5 - 1 seconds of decode & lookup, and the rest left up to you to make a response . Icom IC-7300 with Fldigi / Flrig These settings work for me --- might need tweaking Format the card in the IC-7300 before using it for the update .

WSJT-X is a computer program designed to facilitate basic amateur radio communication using very weak signals

This architecture prevents strong adjacent signals from pumping the AGC and allows maximum dynamic range in the DSP The AGC time constants are flexibly adjustable from slow, middle, fast (or AGC off) for each operating mode . Positiv ist ebenso, man kann die FUNCTION - AGC off (Handreglung) When the IC-7300 starts transmitting, adjust the “Pwr” slide bar to set the output power you want .

AGC (Automatic Gain Control) does nothing for a weak signal; it only levels the louder ones

The advantage, your levels won't be jumping up and down Strong off-frequency signals (above about S9+5) that are inside the crystal filter passband can then activate the hardware AGC circuit, reducing the level of desired signals . ð—ÂOkHz LEVEL LEVEL: -30dB 100ms/Div TIME IEXPD/SET Save the transceiver’s data onto a separate card before doing the update .

The Hamlib Project was founded by Frank Singleton,VK3FCS/KM5WS in July 2000

Now that the OVF indication has been added to IC-7610 and IC-7300, the feature may attract people's attention On the ICOM 7300, you have to long-press on the AGC button, under menu, then choose FAST, and turn your tuning dial to OFF . For the 7300 set up as you would any digital mode and run in USB-D time-constant settings for each AGC level in SSB, CW, RTTY or AM modes! (FM has a fixed time con-stant .

Well, comparing a nice Flex 6700 to an Icom IC-7300 is an apples to oranges comparison, IMHO

Yet the IC-7200 was established as a well-loved product, due to its highly sensitive receiver, its relatively robust front end, and its quality audio Distortion and blocking from strong nearby signals are prevented by placing DSP functions inside the AGC loop . RADIOHF - For trade Elecraft K2 for IC-7300 Looking for an even trade my Elecraft K-2 in excellent condition for an Icom IC-7300 in the same condition AGC threshold, the point below which audios falls off rather linearly with signal, is listed in microvolts across the antenna input (assumed to be 50 ohms) .

I attribute this to DMR-MARC insistent requirement to keep AGC off

5%, Location: Glen Cove, New York, Ships to: US & many other countries, Item: 393032005146 ICOM IC-730 HIGH FREQUENCY AMATEUR TRANSCEIVER RF direct sampling system and class leading dynamic range characteristics . 10W TEN-A-TUNER MODULE modified for Icom IC-7300 W2ENY - $15 The AGC (Auto Gain Control) controls the receiver gain to produce a constant audio output level, even when the received signal strength greatly varies .

Buy ICOM IC-7610 B-Stock B-Stock online at £2,899

Icom IC-PW2 1kW HF+ 6m Amplifier 2 September, 2019 HF/VHF/UHF SDR ICOM “IC-705” Transceiver 30 August, 2019 PTRX-7300 Panorama Adaptor for the IC-7300 24 July, 2019 A note here: Your AGC is what protects your radio, and you ears, from sudden noises -- be they strong signals, pops, or whatever -- by essentially controlling this RF Gain level . 15 RF band-pass filters, built-in automatic antenna tuner, large touch screen, 100W on HF/50 MHz and 50W on 70 MHz The AGC time constants are flexibly adjustable from slow, middle, fast (or AGC-off) for each operating mode .

While this is a good feature, many “brass pounders” like to use their own external keyer, bug or straight key

6, AGC ON), 0 Lux with IR on; Shutter Speed 1/3 s to 1/100,000 s; Slow Shutter Yes; Wide Dynamic Range Digital WDR; Day & Night ICR Cut; Angle Adjustment Pan: 0° to 360°, tilt: 0° to 90°, rotate: 0° to 360° Lens AGC loop management Distortion and blocking from strong nearby signals are prevented by placing DSP functions inside the AGC loop . icom - ic-7100 - all-mode hf/vhf/uhf transceiver - particularly suited for mobile operations - remote head controller It was a toss up between the 7300(with tuner) and the 7200(without tuner) .

This was the third and final version of this very popular amateur radio

Three Built-in 1st IF (roofing) Filters, Including 3kHz The IC-7600 has three built-in 1st IF filters ahead of the 1st IF amplifier stage Power side, like IC-7851, IC-7800, IC-775DSP and FT-1000MP Mark-V transmitters develop 200 W PEP out and do not even get warm during long SSB QSO or at 100 W using PSK31 . 32GB SD Card for audio recording and setting backup The ALC system has a long hang time, like using slower AGC in a receiver .

The IC-7610 introduces dual RF direct sampling receivers, achieving 110dB RMDR, rivaling that of top-of-the-line transceivers

The other RX settings I configure when running WSPR with the IC-7300 are NB and NR off, notch filter off, AGC fast set to 0 Comparing this to my IC-765 and IC-7100 it fell right into place . Back out of the menu, then press the MULTI dial, and turn your COMP off It seems to have loaded successfully in the software but when I go to write the memories to the radio it runs through the list but nothing actually gets saved to my radio .

Note that the versions of the 7300 firmware after late 2017 have added an option for this setting called MIC, ACC

The Icom 7300 is an easy radio to use for digital modes because all you need is a USB cable The TS-590SG goes one step further adopting technology from the flagship TS-990S . The factory default is for the display to stay on Even if we were to use a higher resolution A/D converter, we would still want to do this to keep all of the input signals within the sweet spot: Direct sampling HF transceivers such as the Icom IC-7300 and IC-7610 must apply both strong band-pass filtering and input gain control to maximize the performance .

The AGC time constants can be set in the 3 presets (slow, medium and fast), adjustable from 0

While my score was about 3% below 2009, it was 2X or more above most of the last 8 years of the Stew Perry contest IC-7300 RF POWER: 35% MODE: USB-D FILTER: FIL1 (3 . Settings on both: AGC= middle PRE-AMP 1/2= OFF BW= 100-3000 Hz Noise Reduction= OFF RF input power -57 dBm composite (each test signal -63 dBm) .

(First, save any data that is on the card, if necessary

required for sending CW text strings OpenBSD * Add serial port discovery for OpenBSD Xiegu G90 etal * Correctly parse Xiegu G90 power output in tenths of watts * Add XML-RPC API: rig CIV USB Baud Rate 115200 USB SEND/KEYING USB SEND OFF . Change the port 'baudrate' to 19200 in the IC-7300 menu’s (don’t use auto) IC-7851 -123 -133 IC-7610 -122 -127 Flex 6400 -120 -137 FTdx-3K -117 -117 TS-890S -115 -135 IC-7300 -110 -116 Low drive amps are an issue Do you have a multiplier station besides your run station? Broadband noise matters .

It can also be used with other transceivers that have sockets for a separate receiver input and receive antenna output

The receive tonal quality of the 7300 is a little harsher When switch­ ing with the PTT switch on the microphone or with the VOX switch set to ON, the T/R must be in the R ECE IV E position . Level indications from the detector are processed in the DSP, and control the DC bias on a PIN-diode attenuator at the RF ADC input To get stuff into a computer you need a soundcard so this is a kind of SDR .

How the ICOM IC-7300 Is Disrupting the Used Ham Radio Market, Outdoors on the Air (YouTube) Weird Problem, QRZ Forums; OPERATING AND RESOURCE VIDEOS FOR THE IC-7300

73 from Tom, LA4LN Fra: Dave Garber Sendt: onsdag 27 Change the 'address' to 5A (from the 94h default) also in the IC-7300 . The high frequency hash we all put up with when listening to weak SSB signals is just as annoying, and deaf-producing! Here's a little experiment you can carry out on your own Yaesu FTdx 3000 vs Icom IC 7300 NR off, part1 Using external, equal loudspeaker .

D-STAR DV Mode (Digital Voice + Data) The IC-7100 provides D-STAR DV mode digital voice and low speed data communication

The AGC function works on the intended signal and produces a constant audio output 上記ic-7300より凡そ1時間早い朝7時過ぎの受信状況です。 既に中波AM放送帯は昼の伝搬になり遠方からの伝搬は完全にフェードアウトしています。 882KHz基本波の受信状況 . asked May 29 at 20 I installed qsstv first it runs normally but no CAT Three Built-in 1st IF (roofing) Filters, Including 3kHz .

comparator sync det AGC mod but with a holley carburator DSPand two reinforcements 2 pre-ampsand an alterated motor with Pete's MW attenuator removal mod 2

With proper care, this product should provide you with years of trouble-free operation So in short (and less accurately), setting the RF Gain too high causes the AGC (automatic gain control) to raise the noise level to match the level of the desired signal . Remote Control Software A software solution was selected instead of a hardware solution because outstanding free software is available from RemoteHams At about the same time that the IC-7300 started shipping around the world, Icom pulled their venerable IC-7200 off the market .

For $350 more you get an IC-7300 compared to an FT-891 and is a much better radio, much better

I have a couple of YouTube videos on transmitter settings, but I hope to simplify and produce one concise video that includes the transmitter settings in the Icom 7300 menu, operating system While the IC-7200 is an entry-class transceiver, advanced digital features are comparable to higher class transceivers . txt: 7364: 10-29-2000: Here are the Kenwood TH-77A mods! th78_new You can also try to turn your two-way radio on and off .

Icom IC-7300 review Icom IC-7300 is the first direct sampling SDR (software defined radio) available from one of the big three japanese manufacturers

SSB - the 7300 is a clear improvement for my ears over the 590SG Overall winner and new primary rig on my deskIC-7300 All the filters you want at your fingertips! You will never have to purchase Optional filters as the IC-7000 has adjustable digital filters . Icom currently has a sale/coupon for the IC-7200, several vendors have them for sale at a $799 Having 2 VFOs is convenient to quickly select 2 frequencies, or for split frequency Turning power ON or OFF operation (p .

Double-conversion with image rejection mixer, wide frequency range, 100/75/10 Watt max output power on HF-VHF/430/1240 MHz bands

Therefore I think, the radio is (w/o mod) not really suited for QRSS The digital IF filter and manual notch filter are included in the AGC loop, so you will never encounter AGC blocking . Options KS2 SSB MODULE 3 POSITION NOISE BLANKER ALL HF BANDS INCLUDING 60M KAF2 AUDIO FILTERS, VOLTMETER & CLOCK KAT HI-POWER TUNER The squelch (on SSB!) works well, it's just a switch, I will have a look at the schematics, my impression was, the squelch seems to be dynamic, flip the switch and after a certain while the receiver is silent .

Kenwood was the first in the amateur radio market to deploy DSP based AGC at the IF stage with the TS-870S The receiver is better than the FT857 in some respects . A detailed look at Icom's Innovative IC-7300 Transceiver The Icom IC-7000 mobile rig from Icom, which gives you HF 50MHz, VHF,and UHF .

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