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Last modified 2023-09-17

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Yaesu FT-900

A picture of Yaesu FT-900

SPECIFICATIONS

GENERAL
Type:Amateur HF transceiver
Frequency range: TX: 10-160 m + WARC
RX: 0.1-30 MHz
Tuning steps:2.5 / 5 / 10 / 100 Hz
Frequency stability:10 ppm @ -10 to +50C (14 to 122F)
(2 ppm with optional TCXO-3)
Mode:AM / FM / SSB / CW
Channels / memory management: 90 regular
10 search limit
RAM storage with lithium battery backup
Repeater shift / offset:0-500 KHz
Power supply:13.8 VDC (6-pin Molex connector)
Current drain / power consumption:RX: 1.5 A (Squelched)
TX: Max 20 A
Antenna impedance / connector:50 ohm / SO-239
(16.7-150 ohm with ATU-2 option)
Dimensions (W*H*D):238*93*253 mm (9.37*3.66*9.96")
Weight:5.3 Kg (11.68 lb)
Other features:NB. CTCSS/PL. VOX. IF shift. Built-in keyer. Attenuator. CAT control.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 70.455 MHz
2nd IF: 455 KHz
Sensitivity: AM (6 KHz BW, 10 dB S/N)
0.15-0.25 MHz: 40 uV
0.25-0.5 MHz: 16 uV
0.5-1.8 MHz: 8 uV
1.8-30 MHz: 1 uV
FM (12 dB SINAD)
28-30 MHz: 0.5 uV
SSB/CW (2.4 KHz BW, 10 dB S/N)
0.15-0.25 MHz: 5 uV
0.25-0.5 MHz: 2 uV
0.5-1.8 MHz: 1 uV
1.8-30 MHz: 0.25 uV
Selectivity: AM Wide
6 KHz (-6 dB)
18 KHz (-60 dB)
FM
8 KHz (-6 dB)
19 KHz (-50 dB)
SSB/CW wide/AM narrow
2.2 KHz (-6 dB)
4.2 KHz (-60 dB)
CW narrow (with optional XF-110C filter)
500 Hz (-6 dB)
1.8 KHz (-60 dB)
Image rejection:70 dB
AF output power / speaker:1.5 W at 10% distortion / 4 ohm
External speaker connector:




TRANSMITTER SECTION
RF output power:

Max pwr
AM:25 W
FM:100 W
SSB (PEP):100 W
CW:100 W
Modulation system:AM: Low-level, early stage
FM: Variable reactance
SSB: Balanced, filtered carrier
Max FM deviation (Factory set):2.5 KHz
Spurious emissions:Better than -40 dB
Microphone impedance / connector:500-600 ohm / 8-pin (Modular)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1994-199x (Discontinued)
Additional info:New price 1994 in Sweden: SEK 18141:-
Related documents: User manual (9.5 MB)
Service manual (28.2 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
ATU-2
DVS-2
FC-800
FIF-232C
LL-5
MD-1C8
MH-31A8J
SP-6
TCXO-3
XF-110C
XF-110CN
XF-110S
YSK-900
Internal automatic antenna tuner
Digital voice recorder
External remote automatic antenna tuner
CAT system interface. RS-232C
Phone patch unit, mounts inside SP-6
Desk microphone
Standard hand microphone with up/down buttons
External speaker with filters
High stability crystal unit. 2 ppm
500 Hz CW narrow filter. IF: 455 KHz
250 Hz CW narrow filter. IF: 455 KHz
2.6 KHz SSB filter. IF: 455 KHz
Separation kit
A rear picture of Yaesu FT-900