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Last modified 2023-09-17

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Yaesu FT-902D

A picture of Yaesu FT-902D

SPECIFICATIONS

GENERAL
Type:Amateur HF transceiver
Frequency range: 10-160 m + WARC in 12 bands
1.8-2.0 MHz (160 m)
3.5-4.0 MHz (80 m)
7.0-7.5 MHz (40 m)
10.0-10.5 MHz (30 m)
14.0-14.5 MHz (20 m)
18.0-18.5 MHz (17 m)
21.0-21.5 MHz (15 m)
24.5-25.0 MHz (12 m)
28.0-28.5 MHz (10 m A)
28.5-29.0 MHz (10 m B)
29.0-29.5 MHz (10 m C)
29.5-29.9 MHz (10 m D)
Tuning steps:Continuous
Frequency stability:Less than 300 Hz after 10 minute warmup
Less than 100 Hz after 30 minute warmup
Mode:AM / FM / SSB / CW / FSK
Channels / memory management: Optional
Repeater shift / offset:No dedicated. Use VFO A/B split (With FV-902) or memory split (Optional)
Power supply:Mains: 100 / 110 / 117 / 200 / 220 / 234 VAC (13.5 V DC-DC converter option)
Current drain / power consumption: RX: 45 W (Heater off) @ 117 VAC
RX: 1.1 A (Heater off) @ 13.5 VDC (With DC-DC converter option)
TX: Max 320 W @ 117 VAC
TX: Max 21 A @ 13.5 VDC (With DC-DC converter option)
Antenna impedance / connector:50-75 ohm / SO-239
Dimensions (W*H*D):342*154*324 mm (13.46*6.06*12.76")
Weight:18 Kg (39.7 lb)
Other features:NB. 25 KHz calibrator. VOX. 8.9 MHz IF output.




RECEIVER SECTION
Receiver system: ? conversion superheterodyne
Sensitivity: AM: 1 uV (10 dB S/N)
FM: 0.3 uV (20 dB quieting)
SSB/CW/FSK: 0.25 uV (10 dB S/N)
Selectivity: Width control set to "0"

AM (With optional AM filter)
6 KHz (-6 dB)
12 KHz (-60 dB)
FM
12 KHz (-6 dB)
24 KHz (-60 dB)
SSB
2.4 KHz (-6 dB)
4 KHz (-60 dB)
CW (With optional CW filter)
600 Hz (-6 dB)
1.2 KHz (-60 dB)
Image rejection: 10 m: better than 50 dB
12-160 m: better than 60 dB
AF output power / speaker:3 W at 10% distortion / ? ohm
External speaker connector:4-16 ohm




TRANSMITTER SECTION
RF output power:

Max pwr
AM:~40 W
FM:~40 W
SSB (PEP):~100 W
CW:~100 W
FSK:~40 W
Modulation system:AM: Low power stage
FM: Variable reactance
SSB: Balanced
Max FM deviation (Factory set):±5 KHz
Spurious emissions:Better than -40 dB
Microphone impedance / connector:500-600 ohm / 4-pin (Metal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1981-1982 (Discontinued)
Additional info:Tube hybrid
Related documents: User manual (4 MB)
12BY7A driver
Two 6146B finals
Apparently, no specific service manual was printed for this radio.
However, an addendum to the FT-901DM service manual was
released that deals with the differencies.
Modifications and fixes:
Reviews:
Options / Accessories:
DC-901
FC-902
FTV-901R
FV-901DM
PB-1728A
PB-1787D
SP-901
SP-901P
XF-8.9HC
YD-148
YO-901
YR-901
DC-DC converter
Antenna tuner
VHF/UHF transverter
External synthesized VFO with 40 memories
Curtis 8044 keyer
Memory unit
External speaker
External speaker with phone patch
CW narrow filter, 600 Hz
Desk microphone, 500 ohms/50 kohms switchable
Station monitor
CW/RTTY reader