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IC-7610 SDR HF/50MHz Transceiver

 IC-7610 SDR HF/50MHz Transceiver

Product Code: Amateur Radio (Ham) Base Stations

IC-7610 SDR HF/50MHz Transceiver Whether it is poor band conditions, or battling to pick out a call in a large pile-up, faint signals have always been a challenge for DXers

and Contesters around the world. The difference between putting the QSO in the log or having to try another time is the capability of

your receiver. One key factor is the RMDR capabilities, the ability to pick out a faint signal in the presence of stronger, adjacent signals.

The IC-7610 introduces dual RF direct sampling receivers, achieving 110dB RMDR, rivalling that of top-of-the-line transceivers. Innovative RF Direct Sampling System

Introduced with the IC-7300, Icom's RF Direct Sampling System has made SDR performance affordable. Direct Sampling means incoming

RF signals are digitized by the Analog-to-Digital Converter and immediately processed by the FPGA (Field-Programmable Gate Array).

This process dramatically reduces distortion that naturally occurs in the various mixer stages found in traditional superheterodyne

receivers.

Astonishing 110 dB* RMDR

The RF Direct Sampling system in the IC-7610 is capable of 110 dB RMDR. This performance gives you the ability to pull weak signals

out of the noise of strong adjacent signals. There is a difference you can hear as the desired signal comes out of the pileup!

  • Representative value at 2 kHz frequency separation (Received frequency: 14.2 MHz, Mode: CW, IF BW: 500 Hz)

Customized VCXO Is Used for the Master Clock

Reducing phase noise in a receiver is always a challenge as it is a natural characteristic of a receiver. The master clock of the IC-7610

utilises a low phase noise VCXO (Voltage Controlled Crystal Oscillator), combined with Icom's years of technical expertise to design a

common power supply for the VCXO and FPGA, yielding an ultra-low phase noise. Also, a 10 MHz reference signal can be input to the

IC-7610 for higher precision.

Independent Dual Receiver

Whether listening to both sides of a rare DX station running split or looking for a multiplier on a different band or mode, the dual

receivers in the IC-7610 have you covered. Two separate DIGI-SEL preselectors, two separate Band Pass Filter networks, feed two

independent A/D converters into the FPGA.

DIGI-SEL for Main and Sub Bands

The DIGI-SEL preselectors are RF filters with sharp, narrow passband characteristics preventing Analog-to-Digital Converter overflow

from large out-of-band signals when sampling the RF signals. Additionally, the third and higher order IMD components are reduced.

This is ideal when strong signals are received in a contest pile-up or from broadcast stations on adjacent frequencies or bands.

High-Quality Speaker Sound

To finish out the receiver is an internal speaker cabinet. The cabinet is tuned to reproduce clear, natural sounding audio, and is insulated

from the radio chassis to prevent noise from vibration and panel resonance.

Digital-Up-Conversion (DUC) for Clean TX "70

Breaking with the tradition of mixing a carrier signal with a local oscillator, a Digital-Up-Conversion (DUC) method is used to generate

the required signal from the Digital-to-Analogue Converter. The chart to the right shows the difference made by this new design.

Built-in Automatic Antenna Tuner

The built-in automatic antenna tuner memorises its settings based on your transmit frequency so that it can recall the tuning setting

when you switch operating bands. The emergency tuner function* enables you to work for short periods of time with an antenna with a

high SWR.

  • Output power not guaranteed and power may be reduced.

7-inch Colour Display with Touch Screen Function

The large 7-inch colour display shows various operating and setting information at a glance in high resolution (800 x 480 pixels.) The

display shows multiple features, for example, the dual spectrum scope aligned vertically or horizontally, simulated analogue meters and

RTTY, PSK31/63 mode decoded messages.

Dual Receivers, Dual Spectrum Scopes

The IC -7610 provides dual reception, on different bands, as does the high-speed, high-resolution spectrum scopes. Whether watching

for a band opening, working a rare DX station operating split, or searching for a multiplier, the ability to watch each receiver separately

allows the operator to concentrate on pulling in a weak signal. The scopes provide class-leading performance in resolution, sweep speed

and a 100 dB dynamic range. To navigate around the band easier, connect a PC mouse to the USB port for point and click tuning of the

receivers.

Audio Scope Flexibility

The Audio Scope screen shows both an FFT scope with a waterfall along with an oscilloscope for both transmit and receive audio. This

makes it easy to monitor AF characteristics such as microphone compressor level, filter width, notch filter, and in CW, you can monitor

received CW keying waveforms.

Touch Screen and Multi-Dial Knob for Smooth Operation The combination of the touchscreen and the multi-dial knob offers quick and smooth operation. When you push the multi-dial knob,

menu items are shown on the right side of the display. You can select an item by touching the screen and can adjust the levels by

turning the multi-dial knob.

Remote Encoder for Second VFO Knob

The optional RC-28 remote encoder enables you to add an external Sub dial for controlling the Sub-band. Main band and Subband can

be switched with the F1 and F2 buttons and can be controlled with the RC-28. The LED above the F1 and F2 buttons turns ON to show

the active band.

DVI-D Connector for an External Display Connection

The IC-7610 has a DVI-D connector for an external display. Operating frequency, setting information and spectrum scope can be

observed on a large external screen.

SD Card Slot and USB Port for Saving Data

When used with an SD card or USB flash drive, various contents including firmware updates, memory channels, captured screen images,

and other personal settings, can be saved and loaded. TX/RX audio, voice memories, RTTY/CW memories and RTTY decode logs can

be saved and used on the SD card.

I/Q Signal Output

The IC-7610 enables you to output I/Q signals from the USB connector. They can be used to analyse a spectrum range or to decode

signals by a decoder software on a PC.

*This function will be provided in a future firmware update

Simplified Remote Control for RS-BA1

Whether from a remote part of your home QTH, or on a remote location somewhere around the world, the RS-BA1 software enables you

to operate your IC-7610. Not only can you control the radio settings and have both RX/TX audio paths, but you are also able to display

a single band spectrum scope with the waterfall. With the addition of an Ethernet connector, a base station computer is not required.

Icom Inc. have published three technical reports on the IC-7610 HF/50MHz SDR Transceiver featuring detailed information and

specifications. To download these reports, click the following links:

• IC-7610 Technical Report Volume 1.

• IC-7610 Technical Report Volume 2.

• IC-7610 Technical Report Volume 3.

For more information on  IC-7610 SDR HF/50MHz Transceiver  talk to  Icom UK Ltd

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