Specifications - Yaesu FT-857 Technical Supplement

Specifications

General
Frequency Range:
Emission Modes:
Synthesizer Steps (Min.):
Antenna Impedance:
Operating Temp. Range:
Frequency Stability:
Supply Voltage:
Current Consumption:
Case Size (W x H x D):
Weight (Approx.):
Transmitter
RF Power Output:
(@13.8 V DC)
Modulation Types:
FM Maximum Deviation:
Spurious Radiation:
Carrier Suppression:
Opp. Sideband Suppression: >50 dB
SSB Frequency Response:
Microphone Impedance:
2
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Receive: 0.1-56 MHz, 76-108 MHz, 118-164 MHz, 420-470 MHz
Transmit: 160 - 6 Meters, 2 Meters, 70 Centimeters (Amateur bands only)
A1 (CW), A3 (AM), A3J (LSB/USB), F3 (FM),
F1 (9600 bps packet), F2 (1200 bps packet)
10 Hz (CW/SSB), 100 Hz (AM/FM/WFM)
50 Ohms, Unbalanced
14 °F to 140 °F (–10 °C to +60 °C)
±4 ppm from 1 min. to 60 min after power on. @25 °C: 1 ppm/hour
±0.5 ppm/1 hour @25 °C, after warmup (with optional TCXO-9)
Normal: 13.8 VDC ±15 %, Negative Ground
Squelched: 550 mA (Approx.)
Receive: 1 A
Transmit: 22 A
6.1" x 2.0" x 9.2" (155 x 52 x 233 mm)
4.6 lb. (2.1 kg)
SSB/CW/FM
160- 6 M: 100 W
2 M: 50 W
70 CM: 20 W
SSB: Balanced Modulator,
AM: Early Stage (Low Level),
FM: Variable Reactance
±5 kHz (FM-N: ±2.5 kHz)
–50 dB (1.8-29.7 MHz)
–60 dB (50/144/430 MHz)
>40 dB
400 Hz-2600 Hz (–6 dB)
200-10k Ohms (Nominal: 600 Ohms)
AM Carrier
25 W
12.5 W
5 W