ICOM 7760 HF 50MHz Transceiver Owner’s Manual

: September 7, 2024
: ICOM

Table of Contents

7760 HF 50MHz Transceiver
Product Information
Specifications:
Product Usage Instructions:
Frequently Asked Questions (FAQ):

7760 HF 50MHz Transceiver

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Product Information

Specifications:

Model: IC-7760
Frequency Range: HF/50MHz
Control Head: Full control head with separated RF deck
LAN Cable Requirement: Cat5e or higher, Maximum length
100m/328ft
Remote Operation: Supports in-house remote operation through a
home LAN connection
Receivers: Dual, independent receivers with main/sub bands

Product Usage Instructions:

1. Control Head and RF Deck Connection:

Connect the control head and RF deck using a LAN cable. Ensure
the LAN cable is Cat5e or higher and does not exceed 100m in
length.

2. In-house Remote Operation:

The IC-7760 can be connected to the control head and RF deck
through a wired home LAN network for remote operation. The control
head can be moved within the house and operated from different
locations as long as a LAN connection is available.

3. Dual, Independent Receivers:

The IC-7760 features dual MAIN/SUB receivers, allowing
simultaneous reception of two signals in different bands/modes with
independent performance. Utilize the dual spectrum scopes for
simultaneous display of the MAIN and SUB bands.

4. DIGI-SEL and Preamp:

The DIGI-SEL function helps reject out-of-band strong signals
for improved reception quality. The preamp enhances the intended
signal while DIGI-SEL filters out unwanted signals, ensuring
optimal performance.

Frequently Asked Questions (FAQ):

Q: Can the control head be operated from a different room?

A: Yes, the control head can be operated from different
locations within the house as long as there is a LAN connection
available.

Q: What type of LAN cable is recommended for connecting the

control head and RF deck?

A: It is recommended to use a Cat5e or higher LAN cable with a
maximum length of 100m for connecting the control head and RF
deck.

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HF/50MHz TRANSCEIVER
|7760
A New Innovative Shack Style Full Control Head with Separated RF Deck

High Power & Clean Transmit Signal for
A New Innovative Shack Style
In today’s connected world, the IC-7760 introduces a new connected system consisting of a control head and RFdeck, connected with a commercially available control (LAN) cable. This concept increases the fl exibility of your station installation, making more space available on the desktop by placing the RFdeck in an area closer to the antenna feed point. In addition to the direct connect feature, control head to RF deck, utilize your home network to make any tabletop your shack and a PCis not required!

Great Strength in Contests and DX Hunting

Feature 01
Full Control Head with Separated RF Deck
The IC-7760 consists of a separate control head and RF deck and uses a control cable for connecting between them. It increases the flexibility of the installation. A control cable (3 m, 9.8 ft) is supplied with the radio, and a commercially available LAN cable* can be used to install the RF deck in a more remote location. It enables the RF deck to be placed in a rack or other location away from the station desktop, providing a quiet shack environment away from the noise of the fan used to dissipate the heat generated by the RF deck.

LAN cable: Cat5e or higher. Cable length: Maximum 100 m, 328 ft

Feature 02
Supports In-house Remote Operation Through a Home LAN Connection

The IC-7760 can be connected to the

control head and RF deck through a wired

home LAN network*. This gives the user

even greater flexibility of the RF deck.

2F

Because of its simple configuration that

does not require a PC, the control head of

the IC-7760 can be moved anywhere in

1F

the house and operated not only from the

shack but also from the living room, etc.,

as long as a LAN connection is available. In-house Remote Operation

Communication between the control head and the RF deck depends on the network environment in which it is used. Gigabit Ethernet is required. The control head can be used on a different network segment than the RF deck such as over a network switch.

Feature 03
Dual, Independent Receivers
The IC-7760 has independent MAIN/SUB receivers, from the antenna to the speaker, so that one receiver section has no effect on the other, providing simultaneous reception of two signals in different bands/modes with identical performance. As with the IC-7851, dual spectrum scopes provide simultaneous display of the MAIN and SUB bands allowing the operator to see the changing band conditions.

Receiver Block Diagram

MAIN Band (DIGI-SEL ON, PREAMP OFF)

DIGI-SEL

1.8 MHz BPF
3.5 MHz BPF
50 MHz BPF

PREAMP1 PREAMP2

SUB Band (DIGI-SEL ON, PREAMP ON)

DIGI-SEL

1.8 MHz BPF
3.5 MHz BPF
50 MHz BPF

PREAMP1 PREAMP2

A/D
FPGA A/D

Advanced RF Direct Sampling System

The IC-7760 adopts the RF direct sampling system, in which RF signals are directly converted to digital signals and the signals are processed by an FPGA (Field Programmable Gate Array). This system avoids non-linear distortions that occur in mixer stages during the analog signal processing. In addition, by employing DSP units in both the RF deck and control head, the IC-7760 is able to handle complex audio path switching due to various interface inputs and outputs, while minimizing delay in a home LAN environment.

DSP + FPGA Unit (RF Deck)

Block Diagram Overview Receive

DSP Unit (Control Head)

BPF

A/D FPGA

Transmit

DSP

D/A

Display

A/D

DSP FPGA D/A

ALC

BPF PA

LPF

DIGI-SEL and Preamp

The DIGI-SEL (Digital Pre-selector) is highly effective in rejecting

out-of-band strong signals such as from broadcasting stations or

multi-multi operation. In conventional models (such as IC-7850/51 or

IC-7610), the DIGI-SEL circuit was located soon after the RF input

(antenna) to prevent signal distortion by out-of-band interference.

Even if the preamp was turned ON, the noise figure (receiver

sensitivity) could not be improved, as DIGI-SEL had an insertion loss

due to its narrow bandwidth. In the IC-7760, which is a direct

sampling system, DIGI-SEL prevents overflow (OVF) due to

unwanted out-of-band signals rather than signal distortion, and the

preamp uses the A/D converter to take full advantage of its dynamic

range. When preamp is turned ON in the IC-7760, the preamp

enhances the intended signal first, then DIGI-SEL filters out

unwanted

out-of-band

IMD

Sensitivity

Overflow

signals. This makes it possible

PREAMP ON

(Fine)

(Su p erb )

(Decen t )

that the preamp works together

DIGI-SEL ON (Superb)

(Fine)

(Su p erb )

with DIGI-SEL.

PREAMP ON DIGI-SEL ON

(Fine)

(Su p erb )

Block Diagram Overview Low Distortion DIGI-SEL: ON / PREAMP: OFF

DIGISEL

BPF

A/ D

High Gain DIGI-SEL: ON / PREAMP: ON

BPF

DIGISEL

A/ D

PREAMP

A Total of 15-separated BPF

While the previous model covered HF bands with a 9-separated BPF (Band Pass Filter), the IC-7760 uses an 11-separated BPF in HF bands. In addition, by employing sharp filters specialized for each amateur band, the BPF efficiently attenuates out-of-band interference signals in the RF stage, and prevents overflow at the A/D converter.

BPF Characteristics

[dB] 1.8MHz 3.5MHz 7MHz 14MHz 21MHz 28MHz

-10 -20 -30 -40 -50 -60

[dB] 1.8MHz 3.5MHz 7MHz 14MHz 21MHz 28MHz
-10 -20 -30 -40 -50 -60

1

2 3 4 5 6 7 8 9 10

20 30 40 50 60 70 80 90 100

1

[MHz]

Showing primary BPF for HF amateur bands

2 3 4 5 6 7 8 9 10

20 30 40 50 60 70 80 90 100 [MHz]

HF/50 MHz TRANSCEIVER
|7760

Feature 04 DPD (Digital Pre-Distortion) Technology
The DPD function corrects non-linear distortion at the final amplifier by applying inverse distortion in advance. A clean signal transmission is achieved while providing 200 W of high output power at the same time. The DPD function also works at the 1 kW output in combination with the IC-PW2*.

DPD feedback cable OPC-2501 is required when using with the IC-PW2.
DPD OFF (Signal Received on the IC-7300) DPD ON (Signal Received on the IC-7300) No spurious emission observed
100% Duty Cycle at 200 W Output
The IC-7760 uses a 450 W-class 65 V LDMOS-FET in the PA section, combined with a large heatsink and effective cooling system to achieve a generous 200 W full power full duty operation*. Continuous FT8 mode operation is also possible. Furthermore, modulation and frequency conversion are made through digital signal processing, the D/A converter directly outputs the transmit frequency, achieving the purest transmission C/N.
200 W and 1 hour continuous transmission with 100 V AC input (at ambient temperature 25°C.)

PA Unit with a Large Heatsink

RF Deck Front Effective Cooling System with Four Fans

Built-in Automatic Antenna Tuner
The IC-7760 incorporates a mechanical relay type internal antenna tuner as a first for our 200 W models. It provides faster tuning than the conventional variable capacitor type. Once tuned, the matching information is automatically recalled the next time the frequency is selected, facilitating smooth band changes and multi-band operation.
Antenna Tuner Unit

Feature 05

Dual Display Control Head

The IC-7760 control head has main and sub dual displays. The displays

are one 7-inch-wide main display (800 × 480 pixels, WVGA) and one

2.4-inch sub display (320 × 240 pixels) and both displays are touch

screens. The main display shows information necessary for

operation, including MAIN/SUB operating frequencies, and setting/

operating status of each function.

The 2.4-inch, sub-display, can show the filter effect, various meters, and

a band stacking register. The filter

effect screen can display the IF filter

passband width and IF filter shape

superimposed on the IF filter

passband signal. This function

shows you visible images of twin

PBTs, manual notch effects. The

improved visibility of information

enhances operability and ensures

smoother operation.

Filter Effect Example

Band Stacking Register

Various Meters Example (S/Power, ALC, COMP, SWR, Id)

Dual Spectrum Scope and Waterfall
The dual Spectrum Scope provides excellent sweep speed, resolution, and a wide dynamic range of 100 dB with FPGA, DSP and CPU combined processing for main and sub bands. It can also monitor two different bands at the same time, which is useful for monitoring conditions and during contests. In the Continuous SCROLL mode, a wide bandwidth exceeding 1 MHz can be seen on the scope screen. The waterfall display shows changes in the frequency spectrum vertically, enabling the user to find a weak signal that is difficult to detect with the spectrum scope. Increases QSO possibilities without missing weak DX stations.

Top-to-bottom Dual Scope Example

Left-to-right Dual Scope Example

Feature 06
Dual Speakers
The IC-7760 is also equipped with dual speakers. By separating the MAIN/SUB audio into left and right speakers, respectively, distinguishing the audio during Dualwatch operation is improved. MAIN/SUB audio can be set for stereo or mono output from both speakers.
MAIN/SUB Dual Speakers

PRESET FT8 Menu

Introduced with the IC-7300 as FT8 is actively used around the world in everyday

operation as well as with DXpeditions. FT8 can be easily set up by simply

selecting it from the [Preset] memory

and all necessary items can be set at

once. Moreover, when returning to the

normal settings from FT8, simply select

[Normal] memory for a smooth

transition. In addition, up to 3 [Preset]

memories can be written to preset

SSTV as well as future new digital

modes to be supported.

FT8 Mode Preset

Automatic Contest Serial Numbering

This function is powerful in CW and RTTY contests. Each time the pre- programmed memory is transmitted, the serial number is automatically counted from 001. The serial number can be set in multiple locations to ensure that the contest number is reliably copied.

Contest Serial Numbering Example

Audio Scope Flexibility
The Audio Scope screen shows the transmit and received signal’s frequency components on the FFT scope, and its waveform components on the Oscilloscope. The Audio Scope makes it easy to monitor signal characteristics such as microphone compressor level, filter width, and notch filter. You can monitor received CW keying wave forms in the Oscilloscope.

Audio Scope Example

CW Keying Form Example

RC-28 for a Second VFO Knob

By connecting the optional RC-28 via USB connection, the SUB band tuning of the IC-7760 can be conveniently operated with your fingertips. MAIN/SUB switching buttons can be assigned to the F-1 and F-2 buttons on the RC-28 and it can operate as the main dial for both MAIN and SUB bands.

Use Image of the Optional RC-28

SD Card Slot

An SD card slot is provided as an interface for data storage. In addition to voice

recordings of outgoing and incoming calls, RTTY/PSK decode logs, captured

images of the display, user settings, and

firmware updates can be saved in the

storage. Voice memories sent in Phone

modes, and message memories sent in

CW/RTTY/PSK modes, can also be

stored. In addition, when an operator is

replaced, the operator can simply load

their preferred settings from the storage

to immediately start operating.

SD Card Slot

Touch Screen and Multi-Dial Knob

The combination of the touch screen and the multi-dial knob offers easy access to various settings. When the multi-dial knob is pressed, menu items appear on the right side of the display near the dial. Touch that menu to select an item, then turn the multi-dial knob to adjust the level, providing much faster access to various functions such as RF power, microphone gain, DIGI-SEL, and notch functions.

Multi-Function Menu

RS-BA1 Internal Server
Whether from a remote part of your home QTH, or at a remote location somewhere around the world, the RS-BA1 Version 2 software enables you to operate your IC-7760. The Dualwatch operation and dual spectrum scopes with the waterfall functions can be used on your remote PC. With the addition of an Ethernet connector, a base station computer is not required.

I/Q Signal Output

I/Q signals received by the IC-7760 can be output from a dedicated I/Q signal

connector (USB on the RF deck) to a PC for digital output. Using the I/Q signals

on the HDSDR*, you can listen to received signals,

or display the spectrum scope on the PC. Used in

combination with the CW Skimmer* or N1MM

Logger+*, you can virtually decode all Morse

signals in the operating band. This function is

particularly useful for contesting and DX hunting,

and effective callback during split operation.

USB I/Q driver package can be downloaded from the Icom web site. HDSDR, CW Skimmer and N1MM Logger+ software are not supplied from Icom.

USB Connector on the RF Deck (USB 3.0 cable required)

External Display Connection
The IC-7760 has an external display connector (DVI-D) on the control head to output digital signals of the main display to an external display without signal degradation. The main display can be mirrored on a large external display.
External Display

Other Outstanding Features
RX Antenna
· BNC type RX IN/OUT connectors for a receiver antenna or external BPF/preamp connection
CW Mode
· FPGA-controlled CW keying waveform shaping · Multi-function electronic keyer · CW pitch control from 300 Hz ~ 900 Hz (5 kHz step) · Auto repeat function · Normal or short Morse number style · Double key jack system · Full break-in and semi break-in · CW auto tuning · APF (Audio Peak Filter) function adjustable filter shape,
width, and AF level · 136 kHz band operation (EUR version only)
Receiver
· 30 kHz ~ 60 MHz receiver (Some frequencies are not guaranteed.) · Two types of preamps
Preamp 1: Wide dynamic range preamp Preamp 2: High gain preamp

· 3 dB ~ 45 dB variable attenuator (3 dB step) · IP+ function improves 3rd order intercept point performance · Main/Sub band tracking function for diversity reception · Twin peak audio filter for the RTTY mode · RTTY/PSK encoder and decoder · Adjustable AGC time constant from 0.1 to 6 seconds
(FM mode is fixed)
Transmitter
· TX monitor function · All mode power control · VOX (Voice Operated Transmission) capability · BNC type transverter connector · Microphone equalizer · Adjustable transmit bandwidth · 50 CTCSS tones · Transmit Power Limit function for each band
Operation
· Memo pad stores up to 10 operating frequencies and modes · Quick split function

· Quick Dualwatch function · RF gain and squelch control with a knob · RIT and TX variable up to 9.999 kHz · UTC/local clock and timer function · 1 Hz pitch tuning and display · Dial lock and panel lock functions · Adjustable main dial brake · External speaker jacks for Main and Sub receivers · Screen saver function · Multi-function meter (S-meter, Power, ALC, COMP,
SWR, Id, Vd and TEMP) · Auto tuning step function · AH-730 external antenna tuner control
(When the AH-730 is connected, output power of the specified antenna terminal is automatically set to 100 W or less) · MAIN/SUB AF mute · Adjustable LCD/LED backlight · USB port for optional RC-28, keyboard, mouse and USB flash drive connection

Rear Panel View

Control Head
RF Deck Connector External Display Connector (DVI-D) USB Connectors External Keypad Jack Electronic Keyer Jack

SEND Control Jack LINE IN/OUT Jacks External Speaker Jacks DC IN Jack

RF Deck
Antenna Connectors Transverter Connector (BNC) RX Antenna IN/OUT Connectors (BNC) Reference Frequency Input (10 MHz) Tuner Control Socket Control Head Connector LAN (Ethernet) Connector CI-V Remote Control Jack Key Jack ALC Input Jack SEND Control Jack Accessory Sockets USB Connector (I/Q OUT) Ground Terminal AC Power Socket Main Power Switch

HF/50MHz TRANSCEIVER

|7760

SPECIFICATIONS

GENERAL

Receiver1 0.030 ~ 60.000 MHz2

Frequency coverage

0.1357 ~ 0.1378, 1.810 ~ 1.999, 3.500 ~ 3.800,

Transmitter*1

7.000 18.068

~ ~

7.200, 10.100 ~ 10.150, 14.000 ~ 14.350, 18.168, 21.000 ~ 21.450, 24.890 ~ 24.990,

28.000 ~ 29.700, 50.000 ~ 52.000 MHz

1 EUR version. Varies according to version. 2 Guaranteed range: 0.100 ~ 29.999, 50.000 ~ 54.000 MHz.

Mode

USB, LSB, CW, RTTY, PSK31/63, AM, FM

Number of channels

101 (99 regular, 2 scan edges)

Antenna connectors

SO-239 × 4 (50 unbalanced, Tuner off) BNC × 1 (RX antenna In/Out)

Power supply requirement

RF deck 90 ~ 264 V AC Control head 15.0 V DC ±0.75 V (with BC-267A/E)

Power consumption

Tx (High) Rx

800 VA RF deck + control head 150 VA typ. (Stand-by/Max. audio) Control head 3.0 A (Max. audio at 15.0 V DC)

Operating temperature range 0 °C ~ +50 °C; 32 °F ~ 122 °F

Frequency stability

Less than ±0.5 ppm (0°C ~ +50°C; 32°F ~ 122°F)

Frequency resolution

1 Hz (minimum)

Dimensions (W × H × D) (projections not included)

RF deck 425 × 149 × 442 mm; 16.7 × 5.9 × 17.4 in Control head 340 × 118 × 103.5 mm; 13.4 × 4.6 × 4.1 in

Weight (approximately)

RF deck 15.8 kg; 34.8 lb, Control head 2.3 kg; 5.1 lb

TRANSMITTER

Output power (HF/50 MHz)

SSB/CW/FM 1 ~ 200 W

AM

0.25 ~ 50 W

Transverter More than 20 dBm (137 kHz, HF/50 MHz)

Modulation system

SSB AM FM

Digital P.S.N. modulation Digital Low power modulation Digital Reactance modulation

Spurious Unwanted emission HF bands: Less than 50 dB, 50 MHz: Less than 66 dB emissions Out of band emission HF bands: Less than 40 dB, 50 MHz: Less than 60 dB

Carrier suppression

More than 50 dB

Unwanted sideband Microphone impedance

More than 50 dB 600

RECEIVER

Receiver system

Direct Sampling Superheterodyne

Intermediate frequency

12 kHz

Sensitivity*3 (Filter shape: Soft) 135 kHz band 0.5 ~ 1.799 MHz 1.8 ~ 29.999 MHz 50 MHz band

SSB/CW (at 10 dB S/N, BW = 2.4 kHz) 1.41µV typ.

0.16 µV typ. 0.13 µV typ.

AM (at 10 dB S/N, BW = 6 kHz)

6.3 µV typ. 2.0 µV typ. 1.0 µV typ.

FM (at 12 dB SINAD, BW = 15 kHz)

0.5 µV typ.*4 0.32 µV typ.

3 HF: Preamp 1 ON, 50 MHz: Preamp 2 ON 4 28.0 ~ 29.7 MHz only

Sensitivity for RED*5 (Filter shape: Soft) 1.8 ~ 2.999 MHz 3.0 ~ 29.999 MHz 28.0 ~ 29.7 MHz 50 MHz band

SSB (at 12 dB SINAD)

10 dBµV emf 0 dBµV emf

6 dBµV emf

AM (at 12 dB SINAD)

16 dBµV emf 6 dBµV emf

0 dBµV emf

FM (at 12 dB SINAD)

0 dBµV emf 6 dBµV emf

*5 Less than, HF: Preamp 1 ON, 50 MHz: Preamp 2 ON BW: SSB=2.4 kHz, AM=4 kHz, 60% modulation, FM=7 kHz, 60% modulation

Selectivity (Filter shape: Sharp)

More than

Less than

SSB (BW: 2.4 kHz)

2.4 kHz/6 dB

3.6 kHz/60 dB

CW (BW: 500 Hz)

500 Hz/6 dB

700 Hz/60 dB

RTTY (BW: 500 Hz)

500 Hz/6 dB

700 Hz/60 dB

AM (BW: 6 kHz)

6.0 kHz/6 dB

15.0 kHz/60 dB

FM (BW: 15 kHz)

12.0 kHz/6 dB

20.0 kHz/60 dB

Spurious and HF bands More than 70 dB

image rejection 50 MHz band More than 70 dB (Except for ADC Aliasing*6)

*6 ADC Aliasing frequency: 122.880 MHz RX frequency

Audio output power

More than 2.0 W (at 10% distortion with an 8 load)

TUNER

Frequency range Matching impedance range Tuning accuracy
Tuning time

1.8 ~ 50 MHz bands 16.7 ~ 150 unbalanced Less than 1: 1.5 VSWR 2 ~ 3 seconds (average) 15 seconds (maximum)

All stated specifications are subject to change without notice or obligation.

Supplied accessories: (May differ depending on version) · Control head · AC power cable · BC-267A/E AC adapter · Control cable, 3.0 m, 9.8 ft · Desktop stand · Plugs

OPTIONS Some options may not be available in some countries. Please ask your dealer for details.

EXTERNAL SPEAKERS

DESKTOP MICROPHONES

HAND MICROPHONE

REMOTE ENCODER

IP REMOTE CONTROL SOFTWARE

SP-33
Wooden box speaker

SP-41
Two input lines, High/low filters Max. 5 W input

HF + 50 MHz 1 kW LINEAR AMPLIFIER

IC-PW2

SM-30
Compact, lightweight electret microphone.

SM-50
Dynamic microphone with [UP/DOWN] switches and a low cut function.

HM-219

HF + 50 MHz AUTOMATIC ANTENNA TUNER

AC ADAPTER (for control head)

AH-730
Covers 1.8 ~ 54 MHz with a 7 m, 23 ft or longer wire antenna. Max. input: 150 W PEP, 100 W continuous. Controller cable (10 m, 32.8 ft) is supplied with the AH-730.

BC-267A/E
Same as supplied.

RC-28
DPD FEEDBACK CABLE

RS-BA1
· USB I/Q Package for HDSDR: Install this package onto a PC to control the IC-7760 from the PC using the HDSDR application. Freely download from the Icom website.

OPC-2501
3 m, 9.8 ft.
For use with the IC-PW2.

Icom, and the Icom logo are registered trademarks of Icom Incorporated (Japan) in Japan, the United States, the United Kingdom, Germany, France, Spain, Russia, Australia, New Zealand and/or other countries. This product includes “zlib” , “libpng” and real-time OS “RTX” open source software, and is licensed according to the open source software license. Some pictures in this brochure include optional accessories and/or non-Icom equipment.

1-1-32, Kamiminami, Hirano-Ku, Osaka 547-0003, Japan Phone: +81 (06) 6793 5302 Fax: +81 (06) 6793 0013

www.icomjapan.com

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www.icomeurope.com

www.icom.net.au

Your local distributor/dealer:

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E-mail: sales@icombrazil.com

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