IC-7300 - Icom IC-7300 SDR HF/6m Transceiver

IC-7300 ALC overshoot - IC7300 4m SSB ALC spikes Power overshoots

IC-7300 ALC overshoot - IC7300 4m SSB ALC spikes

Since the original round of ALC and spike messages, I replaced my transverter setup for 4m with an IC-7300.

While it is OK elsewhere, and on CW, on 4m SSB it produces overshoot spikes of 50 Watts when set for 12… I does this regardless of compression and mic settings, although it is worse with compression than without. As I used an LDMOS linear with over drive protection, the use of the 7300 can be tedious at times.

Feeding around -2V into the ALC input socket “cures” the problem. I have made an outboard -ve Voltage generator board using an NE555 oscillator and diode rectifier to plug into the rear 13 pin DIN connector of my 7300. The unit is cheap and simple to make.

ICOM 7300 and set up for FT8 - USB-D Issue

Simple Setup ICOM 7300 and set up for FT8 - USB-D Issue

The first thing to do is to download this,

https://www.icomjapan.com/support/firmware_driver/?keyword=7300&open=tab2&type=5#download_result

The 1.30 version of the USB driver is for Win 10, the 1.20 is for Win 7/8.
Install this then plug in the USB cable to have Windoze final the driver install.
This download and install is for the com port only, the USB Audio CODEC might already be
in your PC or during the install Windoze downloads this from the Microsoft driver server.
Make these settings then report back,
Radio Tab,
Rig, Icom IC-7300, Poll Interval 1s
Serial port, What you have.
Baud Rate, 19200
Data Bits, Eight
Stop Bits, One
Handshake, None
Force Control Lines, None selected
PTT Method, CAT
Mode, Data/Pkt <<<Important>>>
Split operation, None

Icom IC-7300 Discussion Groups.io Forum - www.ic7300.com

Microphone Sound Equalizer ICOM IC-7300 IC-7200 Radio 8 pin mic transceiver IC-

Microphone Sound Equalizer ICOM IC-7300 IC-7200 Radio 8 pin mic transceiver IC-

Icoms are notorious for this because the normal mic element is a electret (condenser).

A Heil PR40 will require a pre-amp inline. I use this for a Heil HM10 dynamic.

It has 5 bands of EQ and ample mic gain adjustments, plug and play. The front 1/8 inch phone jack is for either a electret element or a

dynamic mic with a inline DC blocking cap. I have found that with this box that no compression is needed.

UN8GC IC-7300 (U.S. version) modification

Initial idea: EX8MLT and EX9T. Realization: UN8GC

MOD IC7300 record received QSO

Has anyone come up with a MOD in order to record received QSO and transmit it back to the person you are in QSO with via changes to the record features in the IC7300?

ICOM IC7300 Modification - All band transmit - Wide band transmit

ICOM IC7300 Modification - All band transmit - Wide band transmit #icom #ic7300 #hamr #hamradio #hammod #mod -

ROB SHERWOOD TEST: ICOM IC-7300

ROB SHERWOOD TEST: ICOM IC-7300
Here are the test files from Rob Sherwood.

BONUS: In December of 2016, Rob used the TS-7300 in the ARRL 160m CW Contest and was quite pleased with its On-The-Air performance.

His review of the IC-7300 under contest conditions is below the downloads.

DOWNLOADS:

Full Test Report of the Icom IC-7300 SDR Transceiver
This is the measured data from the radio. Rob has not had time to play with it and use it on the air, but once he has done that and written his comments, we will update this file.
Icom IC-7300 A.pdf
PDF-Dokument [69.0 KB]

IC-7300 Transmit Noise
Here is the measured Transmit Noise Data of the 7300.
IC-7300 Transmit phase noise.pdf
PDF-Dokument [93.4 KB]

IC-7300 CW Rise Time
Here is the measured CW Rise Time of the IC-7300.
IC-7300 CW Rise Time.pdf
PDF-Dokument [224.2 KB]

USING THE ICOM IC-7300 IN THE ARRL 160m CW CONTEST

I really enjoyed using the IC-7300 during this weekend’s ARRL 160-meter CW contest. 320 Qs, 55K points, a little under last year’s 63K points (all search and pounce). No fault of the radio.

I have zero complaints about using it in a CW contest. While I wish the Bandscope / waterfall display had more options, the Bandscope did the job very well. It needs an option to make it taller vertically in some mode and leave out the waterfall. It could also use a 5 dB / division scaling since few stations ever go near full scale.

I hope Icom fixes the transmitter’s “key-up tail” one of these days, but my Alpha 89 or Acom 1000 won’t un-key until all RF is gone so they have no problem with this, but that isn’t the way to solve the problem. Users may have problems with other types of amplifiers that don’t have this feature.

ICOM IC7300 Firmware Update 1.11 to 1.14

IC-7300 With No-Fill Spectrum

IC-7300 With No-Fill Spectrum

Another way of changing the display to suit.

Icom IC-7300 HF/50mhz transceiver complete review demo

KX2 | KX3 | IC-7300 Which One For You?

KX2 | KX3 | IC-7300 Which One For You?

Looking at all the hype and banter regarding all the new radios hitting the marketplace? I've got three of the most talked about portable rigs on the market here in one place. Believe it or not, You'll probably find one here the fits your needs perfectly.

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