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Last modified 2019-04-02

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Yaesu FT-847

A picture of Yaesu FT-847

SPECIFICATIONS

GENERAL
Type:Amateur HF/VHF/UHF transceiver
Frequency range: TX: 10-160 m + WARC/ 50-54 / 144-146 / 430-440 MHz (Europe. Also 4 m in the UK)
TX: 10-160 m + WARC/ 50-54 / 144-148 / 430-450 MHz (USA)
RX: 0.1-76 / 108-174 / 420-512 MHz
Tuning steps:Minimum 0.1 Hz (SSB/CW)
Minimum 10 Hz (AM/FM)
Mode:AM/FM/SSB/CW/AFSK
Channels/memory management:78 regular
4 Home
1 Prio
? QMB
Repeater shift/offset:0-99.99 MHz
Power supply:13.8 VDC 10%
Current drain/power consumption:RX: 1.5-2 A
TX: Max 22 A
Antenna impedance/connector:50 ohms / SO-239
Dimensions (W*H*D):260*86*270 mm (10.24*3.39*10.63")
Weight:7 Kg (15.43 lbs)
Other features:CTCSS/PL and DCS. 1750 Hz tone call. CAT control. 9K6 packet ready.
Crossband repeater function.




RECEIVER SECTION
Receiver system:? conversion superheterodyne
1st IF: ? MHz
2nd IF: ? KHz
Sensitivity: AM-N (10 dB S/N)
0.5-1.8 MHz: 20 uV
1.8-30 MHz: 2 uV
50-54 MHz: 1 uV
FM (12 dB SINAD)
28-30 MHz: 0.5 uV
50-54 MHz: 0.25 uV
2 m: 0.2 uV
70 cm: 0.2 uV
SSB/CW (10 dB S/N)
1.8-30 MHz: 0.25 uV
50-54 MHz: 0.2 uV
2 m: 0.125 uV
70 cm: 0.125 uV
Selectivity: AM: 9 KHz (-6 dB), 20 KHz (-60 dB)
AM-N: 2.2 KHz (-6 dB), 4.5 KHz (-60 dB)
FM: 15 KHz (-6 dB), 30 KHz (-60 dB)
FM-N: 9 KHz (-6 dB), 20 KHz (-60 dB)
SSB/CW: 2.2 KHz (-6 dB), 4.5 KHz (-60 dB)
CW-N: 0.5 KHz (-6 dB), 2 KHz (-60 dB) - with optional YF-115C installed
Image rejection:60 dB
AF output power/speaker:1.5 W at 10% distortion / 8 ohms
External speaker connector:3.5 mm, 4-16 ohms




TRANSMITTER SECTION
RF output power:
HFFM/SSB/CW: Max 100 W. AM: Max 25 W (Carrier)
6 mFM/SSB/CW: Max 100 W. AM: Max 25 W (Carrier)
2 mFM/SSB/CW: Max 50 W. AM: Max 12.5 W (Carrier)
70 cmFM/SSB/CW: Max 50 W. AM: Max 12.5 W (Carrier)
Modulation system: AM: Early stage, low level
FM: Variable reactance
SSB: Balanced modulation
FM deviation:FM: 5 KHz
FM: 2.5 KHz
Spurious emissions:HF: Less than -50 dB
6 m/2 m/70 cm: Less than -60 dB
Microphone impedance/connector:200 ohms to 10 Kohm (600 ohms nominal) / 8-pin




MISCELLANEOUS
Manufactured:Japan, 1998-2005 (Discontinued)
Additional info:
Related documents: User manual (8.9 MB)
Service manual (15.6 MB)
Schematics (5.7 MB)
Modifications:
Reviews:
Options/Accessories:
ATAS-100
CT-39
CT-61
FC-20
FP-1023
FP-1030A
FVS-1A
MD-100A8X
MH-31B8
MH-36D8
MMB-66
YF-115C
YF-115S-02
Active-tuning antenna system
Packet cable
STBY cable
Automatic antenna tuner
AC power supply, switch mode. 23 A (USA only)
AC power supply, regulated. 25 A
Voice synthesizer unit
Desk microphone
Standard hand microphone
Hand microphone with DTMF pad
Mobile mounting bracket
Collins mechanical CW filter. 500 Hz
Collins mechanical SSB filter.