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Last modified 2011-11-19

Yaesu FT-840

SPECIFICATIONS
Type:Amateur HF transceiver
Frequency range:TX: 10-160 m + WARC
RX: 0.1-30 MHz
(10/100 Hz / 1 KHz steps)
Mode:AM/SSB/CW (FM option, +/-2.5 KHz deviation)
RF Power output:SSB/CW: 100 W
AM: 25 W
Receiver system:Dual conversion superheterodyne (AM/SSB/CW)
1st IF: 47.055 MHz
2nd IF: 8.215 MHz
Triple conversion superheterodyne (FM)
1st IF: 47.055 MHz
2nd IF: 8.215 MHz
3rd IF: 455 KHz
Sensitivity:AM (10 dB S+N/N, 6 KHz BW)
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, 8 KHz BW)
28-30 MHz: 0.5 uV
SSB/CW (10 dB S+N/N, 2.4 KHz BW)
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 (optional): 6 KHz (-6 dB), 14 KHz (-60 dB)
AM narrow: 2.2 KHz (-6 dB), 5 KHz (-60 dB)
FM: 8 KHz (-6 dB), 19 KHz (-50 dB)
SSB/CW: 2.2 KHz (-6 dB), 5 KHz (-60 dB)
CW narrow (optional): 500 Hz (-6 dB), 1.8 KHz (-60 dB)
Image rejection:>70 dB (above 1.8 MHz)
Voltage:13.5 VDC +/-10%
Current drain:RX: 1.2-1.4 A
TX: Max 20 A
Impedance:50 ohms, SO-239
Dimensions (W*H*D):238*93*243 mm
Weight:4.5 Kg
Manufactured:1993-199x (Discontinued)
Other:100 memories. IF shift. NB. 12 dB attenuator
New price 1994 in Sweden: 10025:- SEK
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LL-5
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MH-31
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TCXO-4
YF-112A
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Digital voice recorder
Automatic antennna tuner
External remote automatic antenna tuner
CAT interface for RS-232C
FM option
Matching linear power supply (117 VAC)
Switching power supply
Linear power supply
Phone patch unit
Ultra fidelity desktop microphone
Standard microphone
Mobile mounting bracket
External filtered speaker with dual inputs
High stability crystal unit (+/-2 ppm)
AM wide filter, 6 KHz
CW narrow filter, 500 Hz
Lightweight stereo headphones