2
Specifications
General
Frequency Range
:
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)
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
Operating Temp. Range
:
14 ºF to 140 ºF (–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 Ground
Current Consumption
:
Squelched: 550 mA (Approx.)
Receive: 1 A
Transmit: 22 A
Case Size
(W x H x D):
6.1” x 2.0” x 9.2” (155 x 52 x 233 mm)
Weight
(Approx.):
4.6 lb. (2.1 kg)
Transmitter
RF Power Output
:
SSB/CW/FM
AM Carrier
(@13.8 V DC)
160- 6 M:
100 W
25 W
2 M:
50 W
12.5 W
70 CM:
20 W
5 W
Modulation Types
:
SSB: Balanced Modulator,
AM: Early Stage (Low Level),
FM: Variable Reactance
FM 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 dB
Opp. Sideband Suppression
: >50 dB
SSB Frequency Response
:
400 Hz-2600 Hz (–6 dB)
Microphone Impedance
:
200-10k Ohms (Nominal: 600 Ohms)
Содержание FT-857 series
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Страница 7: ...7 Connection Diagram...
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Страница 23: ...23 MAIN Unit Circuit Diagram...
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Страница 49: ...49 PLL Unit Circuit Diagram...
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Страница 72: ...72 Parts List REF DESCRIPTION VALUE V W TOL MFR S DESIG VXSTD P N VERS LOT SIDE LAY ADR Note PANEL Unit...
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