FT-847 SPECIFICATIONPECIFICATIONS

GENERAL

Frequency Ranges:RX:

100 kHz - 30 MHz
  36 - 76 MHz
  108 - 174 MHz
  420 - 512 MHz

TX:

160-6 Meters
  4 Meters
  2 Meters
  70 Centimeters (Amateur Bands Only)
Emission Modes: USB, LSB, CW, AM, FM, F1 (9600 bps Packet), F2 (1200 bps Packet), AFSK
Synthesiser Steps (Min.): 0.1 Hz (CW/SSB), 10 Hz (AM/FM)
Antenna Impedance: 50 Ohm, Unbalanced
Operating Temp. Range: -10oC to +50oC (14oF to 122oF)
Frequency Stability: Better than ±2 ppm (0oC to +40oC) (SSB/CW/AM/AFSK)
  Better than ±5ppm  (-10oC to +50oC) (SSB/CW/AM/AFSK)
  Better than ±(1 kHz +5 ppm) FM
Power Requirements: DC 13.8V ±10%, Negative Ground
Current Consumption: Receive (Squelched): 1.5A
  Receive (Max. Audio): 2.0A
  Transmit: 22A @ 100W RF Output
Case Size: 260(W) x 86(H) x 270(D) mm
  (10.24" x 3.39" x 10.63") WHD

Weight:

Approx. 7 kg (14.4 lb.)

TRANSMITTER

RF Power Output: 160-6m:

100 Watts (25 Watts AM carrier)
2m/70cm : 50 Watts (12.5 Watts AM carrier)

Modulation Types:   SSB:

Balanced Modulator
FM: Variable Reactance
AM: Early Stage (Low Level)
FM Maximum Deviation: ±5 kHz (±2.5 kHz on FM-N)
Spurious Radiation: Harmonics: At least 40 dB down (1.8-29.7 MHz)
  At least 60 dB down (50/144/430 MHz)
Non-harmonic: At least 50 dB down (1.8-29.7 MHz)
  At least 60 dB down (50/144/430 MHz)
Carrier Suppression: At least 40 dB
Opp. Sideband Suppression: At least 40 dB
3rd-Order IMD: At least 31 dB down (14 MHz, 100W PEP output)
SSB Frequency Response: 400 Hz - 2600 Hz (-6 dB)
Max. Occupied Bandwidth: SSB: Less than 3 kHz
CW: Less than 0.5 kHz
FM: Less than 16 kHz
Microphone Impedance: 200 Ohm - 10 K Ohm (Supplied Microphone: 600 Ohm)
RECEIVER
Sensitivity:
SSB/CW
AM-N
FM
500kHz-1.8 MHz:
-
20uV
-
1.8-28 MHz:
0.25uV
1uV
-
28-30 MHz:
0.25uV
1uV
0.50uV
50-54 MHz:
0.20uV
0.5uV
0.25uV
144/430 MHz:
0.125uV
-
0.16uV
Above specifications are worst-case
SSB/CW/AM-N figures are for 10 dB S/N, 12 dB SINAD on FM
Squelch Sensitivity :
SSB/CW/AM
FM
500 kHz - 1.8 MHz :
20uV
-
1.8-28 MHz :
2uV
-
28-30 MHz :
2.0uV
0.25uV
50-54 MHz :
1.0uV
0.20uV
144/430 MHz :
0.5uV
0.16uV
Image Rejection: Better than 60dB
IF Rejection: Better than 60dB
Selectivity (-6/-60 dB):
SSB/CW: 2.2 kHz/4.5 kHz
CW-N: 0.5 kHz/2.0 kHz (Opt. YF-115C Installed)
AM: 9 kHz/20 kHz
AM-N: 2.2 kHz/4.5 kHz
FM: 15 kHz/30 kHz
FM-N: 9 kHz/20 kHz
Audio Output: At least 1.5W into 8 Ohm @ 10% THD
Audio Output Impedance: 4 - 16 Ohm
 
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