Yaesu FT-857D - Page 3

3
Specifications
Receiver
Circuit Type: Double-Conversion Superheterodyne (SSB/CW/AM/FM)
Superheterodyne (WFM)
Intermediate Frequencies: 1st: 68.33 MHz (SSB/CW/AM/FM); 10.7 MHz (WFM)
2nd: 455 kHz
Sensitivity: SSB/CW AM FM
100 kHz-1.8 MHz – 32 μV–
1.8 MHz-28 MHz 0.2 μV2 μV–
28 MHz-30 MHz 0.2 μV2 μV 0.5 μV
50 MHz-54 MHz 0.125 μV1 μV 0.2 μV
144/430 MHz 0.125 μV – 0.2 μV
(SSB/CW/AM = 10 dB S/N, FM = 12 dB SINAD)
Squelch Sensitivity: SSB/CW/AM FM
100 kHz-1.8 MHz – –
1.8 MHz-28 MHz 2.5 μV–
28 MHz-30 MHz 2.5 μV 0.32 μV
50 MHz-54 MHz 1 μV 0.16 μV
144/430 MHz 0.5 μV 0.16 μV
Image Rejection: HF/50 MHz: 70 dB,
144/430 MHz: 60 dB
IF Rejection: 60 dB
Selectivity (–6/–60 dB): SSB/CW: 2.2 kHz/4.5 kHz
AM: 6 kHz/20 kHz
FM: 15 kHz/30 kHz
FM-N: 9 kHz/25 kHz
SSB (optional YF-122S installed): 2.3 kHz/4.7 kHz (–66 dB)
CW (option YF-122C installed): 500 Hz/2.0 kHz
CW (option YF-122CN installed): 300 Hz/1.0 kHz
AF Output: 2.5 W (@4 Ohms, 10% THD or less)
AF Output Impedance: 4-16 Ohms
Specifications are subject to change without notice, and are guaranteed within the amateur bands only.