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IC-7300

ICOM
IC-7300

Specifications

Prices

Compact and multi-band HF/VHF transceiver with high performance real-time spectrum scope. RF direct sampling system and class leading dynamic range characteristics. 15 RF band-pass filters, built-in automatic antenna tuner, large touch screen, 100W on HF/50 MHz and 50W on 70 MHz. Ideated in Japan, year of introduction 2016.

Reference market : amateur-radio

IC-7300 specifications

General

Frequency coverage
Receive	0.0300 ~ 74.8000 MHz [1]
Transmit [2]	1.8000 ~ 1.9999 MHz 3.5000 ~ 3.9999 MHz 5.2550 ~ 5.4050 MHz [3] 7.0000 ~ 7.3000 MHz 10.1000 ~ 10.1500 MHz 14.0000 ~ 14.3500 MHz 18.0680 ~ 18.1680 MHz 21.0000 ~ 21.4500 MHz 24.8900 ~ 24.9900 MHz 28.0000 ~ 29.7000 MHz 50.0000 ~ 54.0000 MHz 70.0000 ~ 70.5000 MHz
Mode
CW / FSK (RTTY) / LSB / USB / AM / FM
Tuning step
1 / 10 / 50 [4] / 100 Hz / 1 / 5 [5] / 9 [5] / 10 KHz

Receiver

Sensitivity [6]
CW / SSB [7]	< 0.16 uV (1.8~30 MHz, 10dB S/N, pre1 ON) < 0.13 uV (50~54 MHz, 10dB S/N, pre2 ON) < 0.16 uV (70~70.5 MHz, 10dB S/N, pre2 ON)
AM [8]	< 12.6 uV (0.5~1.8 MHz, 10dB S/N) < 2.0 uV (1.8~30 MHz, 10dB S/N, pre1 ON) < 1.0 uV (50~54 MHz, 10dB S/N, pre2 ON) < 1.0 uV (70~70.5 MHz, 10dB S/N, pre2 ON)
FM [9]	< 0.5 uV (28~29.7 MHz, 12 dB SINAD, pre1 ON) < 0.25 uV (50~54 MHz, 12 dB SINAD, pre2 ON) < 0.25 uV (70~70.5 MHz, 12 dB SINAD, pre2 ON)
Selectivity [10]
CW [11]	> 0.5 KHz (-6dB) < 0.7 KHz (-40dB)
RTTY [11]	> 0.5 KHz (-6dB) < 0.8 KHz (-40dB)
SSB [7]	> 2.4 KHz (-6dB) < 3.4 KHz (-40dB)
AM [8]	> 6.0 KHz (-6dB) < 10.0 KHz (-40dB)
FM [9]	> 12.0 KHz (-6dB) < 22.0 KHz (-40dB)
RF preamplifiers
Preamp1	Wide dynamic range, for the HF
Preamp2	High-gain, for the VHF
RF attenuator
20dB
RMDR (Reciprocal Mixing Dynamic Range)
100 dB (2 KHz spaced signals, 14.2 MHz, BW 500 Hz) 105 dB (5 KHz spaced signals, 14.2 MHz, BW 500 Hz) 113 dB (20 KHz spaced signals, 14.2 MHz, BW 500 Hz)
Spurious and image rejection [12]
> 70 dB
Twin PBT (Passband Tuning)
50 Hz steps (CW / RTTY / SSB) 200 Hz steps (AM)
Notch filter
Manual	For SSB / CW / RTTY / AM Width selectable on WIDE, MID or NAR
Automatic	For SSB / AM / FM
NB (Noise Blanker)
Level, depth and width adjustable
DNR (Digital Noise Reduction)
Adjustable in 16 steps
RIT (Receiver Incremental Tuning)
± 9.99KHz
AGC (Automatic Gain Control)
Off, fast, mid, slow
Frequency stability
... ± 1ppm with temperature from 0°C to +50°C after 5' warm-up ...
Frequency accuracy
± 0.5 ppm max with temperature from -10°C to +60°C
IF (Intermediate Frequency) [13]
1°	36 kHz
Squelch sensitivity
SSB	< 5.6 uV (threshold, preamp ON)
FM	< 0.3 uV (threshold, preamp ON)
CW features
Semi break-in / full break-in Pitch control 300~900 Hz in 5 Hz steps Reverse mode L/USB

Transmitter

Output power
CW / RTTY / SSB / FM	2 ~ 100 W (1.8~54 MHz bands) 2 ~ 50 W (70 MHz band)
AM	1 ~ 25 W (1.8~54 MHz bands) 1 ~ 12.5 W (70 MHz band)
Spurious emission
Out-of-band	< -40 dB (1.8~29.7 MHz) < -60 dB (50 MHz) < -60 dB (70 MHz)
Harmonics	< -50 dB (1.8~29.7 MHz) < -63 dB (50 MHz) < -60 dB (70 MHz)
Carrier suppression (SSB)
> 50 dB
Unwanted sideband suppression (SSB)
> 50 dB
Microphone
600Ω
XIT (Transmitter Incremental Tuning)
± 9.99 KHz
CW features
6~48 wpm Keyer
Antenna tuner
Impedance range	16.7 - 150Ω
Tuning accuracy	SWR 1.5:1

Features

Memory
99 regular memories 2 for programmed scan limits
Display
1 Hz frequency resolution 84-segments signal meter bar (on main screen)
Antenna
SO239 50Ω
Power supply
13.8 Volt DC±15% external
Power consumption
1.25A RX, max volume 0.9A RX, standby 21A TX, max power
Audio power
2.5 W on 8Ω
Audio output
Jack 3.5 mm headphone Jack 3.5 mm external speaker
Connections
Jack 8-pin (microphone) Jack 3.5 mm (CI-V remote control) Jack 6.35 mm (CW keyer) RCA (ALC) RCA (SEND) Socket 13-pin (accessories) Socket 4-pin (antenna tuner) USB (PC, modulation input, audio output)

Mechanical and environmental data

Operating temperature
from -10°C to +60°C
Dimensions
240 (W) x 94 (H) x 238 (D) mm, projections not included
Weight
4.2kg

Guaranteed range 0.5-30 and 50-54 MHz.
Varies according to version.
USA version, only on 5.3305 / 5.3465 / 5.3570 / 5.3715 / 5.4035 MHz (USB mode, 1.5 kHz below the specified FCC channel).
When using the [UP]/[DN] keys on the microphone the frequency changes in 50 Hz steps.
Not documented on user manual.
Filter shape on SOFT.
2,4kHz bandwidth.
6,0kHz bandwidth.
15,0kHz bandwidth.
Filter shape on SHARP.
0,5kHz bandwidth.
Except for ADC aliasing.
Digital down-converted after direct sampling.

IC-7300 description :

The ICOM IC7300 is a multi-band transceiver with high performance and compact case. This ICOM employs an RF direct sampling system. RF signals are directly converted to digital data and processed in the FPGA (Field-Programmable Gate Array, see below). making it possible to simplify the circuit construction. The new IP+ function improves 3° order intercept point performance, when a weak signal is received adjacent to strong interference the ADC device is optimized against signal distortion. For user interface, operation and dimensions the IC-7300 is a HF counterpart of the IC-9700 for V/UHF. The IC-7300 also improve the reciprocal mixing dynamic range and phase noise characteristics compared to the IC-7200. The superior phase-noise values reduce noise components in both receive and transmit signals. On receiver front-end the IC7300 has 15 discrete RF bandpass filters, high Q factor coils are used to minimize the loss and magnify the out-of-band rejection. On transmitter side a built-in automatic antenna tuner memorizes its settings based on your frequency, so that it can rapidly tune when you change operating bands while the enforced tuning function allows a wide range of temporary antennas to be tuned.

IC-7300 rx/tx system

Main features: Class leading real-time spectrum scope with high resolution, sweep speed and dynamic range. While listening to received audio, you can check the real-time scope and quickly move to an intended signal. When you first touch the screen around the intended signal, the touched part is magnified. A second touch of the screen changes the operating frequency and allows you to accurately tune. The scope system adopt FFT with sweep speed max of 30 frames/second and span width 5-1000 kHz. Waveform display area, vertical axis, is 80dB with reference level adjustment from -20dB to +20dB. The waterfall function shows a change of signal strength over a period of time and allows you to find weak signals that may not be apparent on the spectrum scope.

Real-Time Spectrum Scope Specifications
Scope system	Fast Fourier Transform
Sweep speed	Max 30 frames/second. Selectable from slow, mid or fast
Span width	5 kHz to 1 MHz
Peak level hold function	ON / OFF / last 10 seconds
Other functions	Averaging indication. Touch screen operation. VBW (Video Band Width) adjustment.

When monitoring a weak signal that is buried in the noise floor, or monitoring a strong signal but some stronger signals are nearby, you can adjust the Reference level of the screen, this helps to see these signals. Demo screen:

ICOM IC-7300 High-Resolution Waterfall

The IC-7300 has two spectrum scope modes. One is the Center mode, and another one is the Fixed mode. You can also turn the Waterfall display ON or OFF. In addition, you can select a Mini scope screen to save screen space.

ICOM IC-7300 Center mode screen

ICOM IC-7300 Fixed mode screen

The audio scope function can be used to observe various characteristics such as microphone compressor level, filter width, notch filter width and keying waveform in the CW mode. Either the transmit or receive audio can be displayed.

ICOM IC-7300 Audio Scope Function

IF filter shape: The SHARP selection emphasize the passband width of the filter. The filter has an almost ideal shape factor, signals of the out of passband are extremely filtered out and it gives you better audio quality. In SOFT selection the filter shoulders are roundly formed as in analog networks. This decreases noise components in the high and low frequencies of the filter passband and increases the Signal-to-Noise of the target signal. These characteristics play an effective role in picking up very weak signals. The transceiver has 3 IF filter passband widths for each mode:

CW / SSB-D	Default	Adjustable range
Fil 1	1.2 kHz	50~500 Hz (50Hz step). 0.6~3.6 kHz (100Hz step).
Fil 2	0.5 kHz
Fil 3	0.25 kHz
SSB	Default	Adjustable range
Fil 1	3.0 kHz	50~500 Hz (50Hz step). 0.6~3.6 kHz (100Hz step).
Fil 2	2.4 kHz
Fil 3	1.8 kHz
RTTY	Default	Adjustable range
Fil 1	2.4 kHz	50~500 Hz (50Hz step). 0.6~2.7 kHz (100Hz step).
Fil 2	0.5 kHz
Fil 3	0.25 kHz
AM / AM-D	Default	Adjustable range
Fil 1	9.0 kHz	0.2~10.0 kHz (200Hz step)
Fil 2	6.0 kHz
Fil 3	3.0 kHz
FM / FM-D	Default	Adjustable range
Fil 1	15.0 kHz	Fixed
Fil 2	10.0 kHz
Fil 3	7.0 kHz

Memory card slot: The IC-7300 can store various content on an SD-card such as received and transmitted audio, voice memories, RTTY/CW memories, RTTY decode logs and captured screen images. Personal and firmware update data can also be stored on the card for easy setting. Multi-function meter: Displays the receiving signal strength level (S), relative RF output power (Po), SWR, ALC, compression level when the speech compressor is used (COMP), drain voltage of the final amplifier (VD), drain current of the final amplifier (ID), temperature of the final amplifier (TEMP).

IC-7300 other features :

Multi-Dial Knob for Smooth Operation.
11cm color TFT touch LCD.
New HM-219 hand microphone supplied.
A large and effective rear cooling fan system.
CW Auto Tuning function.
FSK and AFSK connections.
Twin PBT.
Split frequency operation.
FM repeater operation.
Tone squelch operation.
Recorder for the receive and transmit audio.
Optional RS-BA1 IP remote control software.

IC-7300 in comparison with IC-7100 and IC-7200 :

The ICOM IC-7300's Reciprocal Mixing Dynamic Range (RMDR) is improved to about 100 dB at 2 kHz frequency separation, +15 dB compared to the IC-7100 and +20 dB compared to the IC-7200. Phase Noise characteristics are also improved about 15~20 dB at 2 kHz frequency offset compared to the IC-7100/IC-7200. The superior Phase Noise characteristics, see figure, reduce noise components in both receive and transmit signals.

ICOM IC-7100 IC-7200 IC-7300 Dynamic Range and Phase Noise

ICOM IC-7100/7200/7300 Dynamic Range (left) and Phase Noise (right)

The above RMDR and Phase Noise at frequency: 14.2 MHz, MODE: CW, IF bandwidth: 500 Hz. Phase Noise is referenced to the transmission signal.

IC-7300 rear panel :

ICOM IC-7300 rear panel view

The "Tuner Socket" accepts the control cable from an optional AH-4 automatic antenna tuner or AH-740 automatic tuning antenna. When the "SEND" terminal controls an inductive load, such as a relay, a counter-electromotive force can malfunction or damage the transceiver. To prevent this, ICOM recommend adding a switching diode on the load side of the circuit to absorb the counter-electromotive force.

IC-7300 photo gallery :

IC-7300 optional accessories :

ICOM IC-7300 optional accessories.
Power Supply, External Speakers, Microphones, Antennas

IC-7300 price

We have collected for your convenience the ICOM IC-7300 sale price (US Dollar) and its trend over time. Useful to guarantee a cheaper purchase of this radio and to put it for sale in the second-hand market. Of course offers, accessories, warranty terms and conditions can lead to different figures.

Price	Date	Condition
USD 1099.95	2023-mar	Brand-new Discount Price
USD 1240.00 (1198EUR)	2022-oct	Brand-new
USD 1099.95	2020-aug	Brand-new
USD 1039.00	2018-oct	Brand-new In promotion

IC-7300 review

F. Caporali

June-25 2022

Complete and cheap radio, I am fully satisfied with the purchase.

[End post]

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