Yaesu FT-897 Operating Manual

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Page 2 FT-897 OPERATING MANUALGeneralFrequency Range: Receive: 0.1-56 MHz, 76-108 MHz, 118-164 MHz, 420-470 MHzTransmit: 160 - 6 Meters, 2 Meters, 70 Centimeters (Amateur bands only)5.1675 MHz (Alaska Emergency Frequency: USA only)Emission Modes: A1 (CW), A3 (AM), A3J (LSB/USB), F3 (FM),F1 (9600 bps packet), F2 (1200 bps packet)Synthesizer Steps (Min.): 10 Hz (CW/SSB), 100 Hz (AM/FM/WFM)Antenna Impedance: 50 Ohms, Unbalanced (M)Operating Temp. Range: +14 °F to +140 °F (–10 °C to +60 °C)Frequency Stability: ±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)Supply Voltage: Normal: 13.8 VDC ±15 %, Negative GroundFNB-78 (Ni-MH Battery Pack): 13.2 V (Option)Current Consumption: Squelched: 600 mA (Approx.)Receive: 1 ATransmit: 22 ACase Size (W x H x D): 7.87” x 3.15” x 10.3” (200 x 80 x 262 mm)Weight (Approx.): 8.6 lb (3.9 kg) (w/o Ni-MH battery, antenna, Microphone)TransmitterRF Power Output (@13.8 V DC): SSB/CW/FM AM Carrier160- 6 Meter: 100 W 25 W2 Meter: 50 W 12.5 W70 Centimeter: 20 W 5 WModulation Types: SSB: Balanced Modulator, AM: Early Stage (Low Level), FM: Variable ReactanceFM Maximum Deviation: ±5 kHz (FM-N: ±2.5 kHz)Spurious Radiation: –50 dB (1.8-29.7 MHz)–60 dB (50/144/430 MHz)Carrier Suppression: >40 dBOpp. Sideband Suppression: >50 dBSSB Frequency Response: 400 Hz-2600 Hz (–6 dB)Microphone Impedance: 200-10k Ohms (Nominal: 600 Ohms)ReceiverCircuit 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 kHzSensitivity: SSB/CW AM FM100 kHz-1.8 MHz – 32 μV –1.8 MHz-28 MHz 0.2 μV 2 μV –28 MHz-30 MHz 0.2 μV 2 μV 0.5 μV50 MHz-54 MHz 0.125 μV 1 μV 0.2 μV144/430 MHz 0.125 μV – 0.2 μV(SSB/CW/AM = 10 dB S/N, FM = 12 dB SINAD)Squelch Sensitivity: SSB/CW/AM FM100 kHz-1.8 MHz – –1.8 MHz-28 MHz 2.5 μV –28 MHz-30 MHz 2.5 μV 0.32 μV50 MHz-54 MHz 1 μV 0.16 μV144/430 MHz 0.5 μV 0.16 μVImage Rejection: HF/50 MHz: 70 dB, 144/430 MHz: 60 dBIF Rejection: 60 dBSelectivity (–6/–60 dB): SSB/CW: 2.2 kHz/4.5 kHzAM: 6 kHz/20 kHzFM: 15 kHz/30 kHzFM-N: 9 kHz/25 kHzSz/2.0 kHzAF Output: 2.5 W (@4 Ohms, 10% THD or less)AF Output Impedance: 4-16 OhmsSpecifications are subject to change without notice, and are guaranteed within the amateur bands only.S PECIFICATIONS