Micom 3f - Page 10

MICOM-3F/3T/3R HF-SSB Owner’s Guide
Output Power
125 W P.E.P and average
Reduced Power Levels
25 W, 62 W, 100 W (MRC or RSS
programmable)
Audio Bandwidth
Voice
350 to 2700 Hz at -6 dB
CW
650 to 1150 Hz
Low Speed Data
1450 to 1950 Hz
High Speed Data
350 to 3300 Hz (see Note 2 on page vii)
Audio Bandwidth Ripple
3 dB
Intermodulation
• -31 dB/P.E.P
• -35 dB/P.E.P typical (see Note 1 on page vii)
Harmonic Emissions
• -64 dB/P.E.P
• -70 dB/P.E.P typical (see Note 1 on page vii)
Spurious Emissions
• -64 dB/P.E.P
• -70 dB/P.E.P typical (see Note 1 on page vii)
Carrier Suppression
-50 dB/P.E.P
Undesired Sideband Suppression
-55 dB/P.E.P
Audio Distortion
2.5%
1/2 Power Microphone Sensitivity
25 to 125mV (RMS)/600 Ω
Hum & Ripple
-50 dB
Inband Noise
-60 dB (30 Hz BW)
TX/RX Switching Time
10 msec
Transmitter
Tx Tuning Adjustments
None
Receiver
Sensitivity (SINAD) SSB
• 0.5 µV for 10 dB SINAD
• 0.35 µV typical (see Note 1 on page vii)
• 0.1 to 1.6 MHz with reduced performance
1/2 Rated Power Sensitivity
1 µV for 2.5W audio at speaker
Selectivity
-6 dB @ 350 to 2700 Hz
-60 dB @-1 kHz; +4 kHz
Image Rejection
-80 dB
IF Rejection
-85 dB
Undesired Sideband Rejection
-55 dB @ -1 kHz
Spurious
-80 dB
Intermodulation
-80 dB
Crossmodulation
-100 dB @ 100 kHz
Desensitization
-100 dB @ 100 kHz
Reciprocal Mixing
-100 dB @ 100 kHz
Audio Power at Speaker
5W @ 2.5% distortion
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