47
By Walter Cates WD0GOF (UPDATE 10/30/2013)
PERFORMANCE SPECIFICATION FOR THE SR-150
E.
Carrier Balance Limits
1. Carrier balance adjustment shall be capable of at least -50 dB below maximum output level on
either sideband on any band.
**2.
Carrier level shall not exceed -40 dB below maximum output level for one hour after a
15 minute warm-up from start with equipment at room temperature (25
o
C). Line voltage
shall be held constant at 117v during the test.
**3.
Carrier level shall not exceed -46 dB below maximum output level when the supply
voltage is changed from 105v to 125v AC. (Balanced at 117v line).
F.
Microphone Input Sensitivity
1.
TEST FREQUENCY – 1000 cps
2.
SSB operation, MIC GAIN control at maximum.
3.
An audio level more more than 4 mv or less than 1 mv shall be required to produce the
minimum specified SSB output in the phone portion of any band.
G.
RF Power Output Limits (SSB operation)
1.
Two note input approximately 1000 cps and 2000 cps. Each signal level 4 mv. MIC
GAIN control adjusted for required level.
2.
Output Limits (peak Envelope Power for a Minimum of -28 dB 3
rd
and 5
th
order
distortion products.)
3.8 mc - - - - 75 W min.
7.3 mc - - - - 75 W min
14.3 mc - - - - 70 W min
21.3 mc - - - - 60 W min
28.8 mc - - - - 50 W min
3.
Unwanted Sideband level shall be 50 dB or more below PEP output (600 cps to 3000
cps).
Содержание SR-150
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Страница 20: ...By Walter Cates WD0GOF UPDATE 10 30 2013 20 3 1 2 TUBE SOCKET CLEANING KIT...
Страница 21: ...By Walter Cates WD0GOF UPDATE 10 30 2013 21 3 1 3 AIR VARIABLE CLEANING...
Страница 30: ...By Walter Cates WD0GOF UPDATE 10 30 2013 30 3 5 5 K3 WIRING AND PIN OUT...
Страница 38: ...By Walter Cates WD0GOF UPDATE 10 30 2013 38 4 DATA SHEETS...
