Specifications - Yaesu FT-991 Operating Manual

s
pecifications
General
Rx Frequency Range:
Tx Frequency Ranges:
Frequency Stability:
Operating Temperature Range:
Emission Modes:
Frequency Steps:
Antenna Impedance:
Power Consumption (Approx.):
Supply Voltage:
Dimensions (WxHxD):
Weight (Approx.):
Transmitter
Power Output:
Modulation Types:
Maximum FM Deviation:
Harmonic Radiation:
SSB Carrier Suppression:
Undesired Sideband Suppression:
Bandwidth:
Audio Response (SSB):
Microphone Impedance:
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30 kHz - 56 MHz, 118 MHz - 164 MHz, 420 MHz - 470 MHz (operating)
1.8 MHz - 54 MHz, 144 MHz - 148 MHz, 430 MHz - 450 MHz (specified
performance, Amateur bands only)
1.8 MHz - 54 MHz, 144 MHz - 148 MHz, 430 MHz - 450 MHz (Amateur
bands only)
±0.5 ppm (after 1 minute @+14 °F to +122 °F [–10 °C to +50 °C])
+14 °F to +122 °F (–10 °C to +50 °C)
A1A (CW), A3E (AM), J3E (LSB, USB), F3E (FM), F7W (C4FM), F2D
5/10 Hz (SSB, CW, & AM), 100 Hz (FM, C4FM)
50 Ohms, unbalanced
16.7 - 150 Ohms, unbalanced (Tuner ON, 1.8 MHz - 30 MHz Amateur
bands)
25 - 100 Ohms, unbalanced (Tuner ON, 50 MHz Amateur band)
Rx (no signal) 1.8 A
Rx (signal present) 2.2 A
Tx 23 A (HF/50 MHz 100 W), 15 A (144/430 MHz 50 W)
DC 13.8 V ± 15% (Negative Ground)
9.0" x 3.2" x 10.0" (229 x 80 x 253 mm)
9.5 lbs (4.3 kg)
5 - 100 watts (2 - 25 watts AM carrier)
J3E (SSB): Balanced,
A3E (AM): Low-Level (Early Stage),
F3E (FM): Variable Reactance
F7W (C4FM): 4-level FSK
±5.0 kHz/±2.5 kHz
Better than –50 dB (1.8 MHz - 30 MHz Amateur bands)
Better than –63 dB (50 MHz Amateur band)
Better than –60 dB (144 MHz, 430 MHz Amateur bands)
At least 50 dB below peak output
At least 50 dB below peak output
3 kHz (LSB/USB), 500 Hz (CW), 6 kHz (AM), 16 kHz (FM/C4FM)
Not more than –6 dB from 300 to 2700 Hz
600 Ohms (200 to 10 kOhms)
FT-991 O
peraTing
M
anual