SG-2000 MANUAL
3
The SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA
©1995, SGC, Inc.
TEL: (206) 746-6310 FAX: (206) 746-6384
AGC response
Less than 5dB variation at the output for 5µVolt to 1
Volt RMS at the receiver input
Clarifier range
±600 Hz in 100 Hz steps
Receiver protection
Up to 50 Volt RMS at the receiver input
Squelch
Voice operated with syllabic detection — adjustable
threshold
Speaker
Internal ( on removable front panel)
TRANSMITTER SPECIFICATIONS
Power output in
50 ohms
150 watts* PEP ( +0dB to -.5 dB) (see page 5)
Power output
reduction
To less than 50 watts PEP
Maximum stress
power output
225 watts CW*** (see page 5)
Sideband suppression Better than -50 dB at 1400 Hz
Harmonic
suppression
Better than -63 dB** (see page 5)
Carrier suppression (A3J) Better than -55 dB
Carrier level
(A3H) -3 dB
(A3A) -16 dB
Noise suppression
Better than -60 dB
Distortion
(third order)
Better than -32 dB at 135W PEP
Audio response
Flat within 6 dB between 350 & 2400 Hz
VSWR protection
For 4:1 VSWR, power output will reduce below 50
watts PEP
Thermal protection
For 80°C power output will reduce below 50 watts PEP
1.4
Data Communications
Ready and compatible RTTY, ARQ, FEC, PACKET and telegraphy
Receive/transmit
switching time
10 mS nominal
AFSK input/output
impedance
600?
AFSK input level
Minimum required 100 mV RMS, 2V RMS maximum
AFSK output level
240mV RMS at .5µV, maximum 1V RMS
1.5
Computer Control of SG-2000
Input/Output
RS 232