Micom 3f, Руководство пользователя

Страница: 10 / 164

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
µ
V for 10 dB SINAD
•
0.35
µ
V typical (see Note 1 on page vii)
• 0.1 to 1.6 MHz with reduced performance
1/2 Rated Power Sensitivity
1
µ
V 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
vi