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Last modified 2023-09-15

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Yaesu FRG-7700

A picture of Yaesu FRG-7700

SPECIFICATIONS

GENERAL
Type:HF receiver
Frequency range:0.15-30 MHz
Tuning steps:Analog / continuous
Frequency stability: Less than 1 KHz from 1 to 30 minutes after power on
Less than 300 Hz thereafter
Mode:AM / FM / SSB / CW
Channels / memory management: Optional RAM storage with battery backup (Three R6 / AA batteries)
Power supply: Mains: 100 / 120 / 220 / 240 VAC (3-pin IEC C14 connector)
or 12 VDC option
Current drain / power consumption:33 VA (Without optional memory unit)
Antenna impedance / connector: Below 2 MHz: 500 ohm / Spring terminals
Above 2 MHz: 50 ohm / SO-239
Dimensions (W*H*D):334*129*225 mm (13.15*5.08*8.86")
Weight:6 Kg (13.23 lb), without optional memory unit
Other features:NB. Tone control. Dimmer. 20 dB attenuator. Clock/timer.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 48.055 MHz
2nd IF: 455 KHz
Sensitivity: AM (10 dB S/N)
0.15.0.3 MHz: 30 uV (500 ohm)
0.3-2 MHz: 25 uV (500 ohm)
2-30 MHz: 5 uV
FM (12 dB SINAD)
2-30 MHz: 1 uV
SSB/CW (10 dB S/N)
0.15-0.3 MHz: 3 uV (500 ohm)
0.3-2 MHz: 2 uV (500 ohm)
2-30 MHz: 0.5 uV
Selectivity: AM Wide
12 KHz (-6 dB)
25 KHz (-50 dB)
AM Medium
6 KHz (-6 dB)
15 KHz (-50 dB)
AM Narrow
2.7 KHz (-6 dB)
8 KHz (-50 dB
FM
15 KHz (-6 dB)
30 KHz (-40 dB)
SSB/CW
2.7 KHz (-6 dB)
8 KHz (-50 dB)
Image rejection:
AF output power / speaker:1.5 W at 10% distortion / 8 ohm
External speaker connector:3.5 mm, 4-16 ohm




MISCELLANEOUS
Manufactured:Japan, 1981-1984 (Discontinued)
Additional info:
Related documents:User manual (4.9 MB)
Modifications and fixes:
Reviews:Radio & Television (Sweden): #1, January 1983, page 5
Options / Accessories:
DC-7700
MU-7700
FRA-7700
FRT-7700
FRV-7700
SP-901
YR-901
YVM-1
12 VDC option
Memory unit, 12 regular memories
Active antenna unit. 0.15-30 MHz
External antenna tuner. 0.15-30 MHz
External VHF converter. Six different versions!
External speaker
CW/RTTY unit
Video monitor for YR-901
A rear picture of Yaesu FRG-7700