GE Mastr II Maintenance Manual

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®
MASTRO
MAINTENANCE MANUAL
25·50 MHz, 50-WATT STATION TRANSMITTER
EXCITER
ASSEMBLY
PA
ASSEMBLY
SPECIFICATIONS
*
FCC Filing Designation
Frequency Range
Power Output
Crystal Multiplication Factor
Frequency Stability
5C-ICOM with EC !COM
EC-ICOM or 5C-ICOM
2C-ICOM
Spurious and Harmonic Emission
Modulation
Audio Frequency Characteristics
Distortion
Deviation Symmetry
Maximum Frequency Spread:
(2 to 4 channels)
25-30 MHz
30-36 MHz
36-42 MHz
42-50 MHz
Full
KT-56-A, C
KT-57-A, C
Extended local control; Intermittent Duty
Extended local/DC
&
Tone Remote
KT-58-A, C
DC Remote/Tone Remote; Intermittent Duty
All controls; Continuous Duty
25-50 MHz
50 Watts (Adjustable from 15 to 50 Watts)
3
±0.0005% (-30°C to +60°C)
±0.0002% ( 0°C to +55°C)
±0.0002% (-30°C to +u0°C)
At least 85 dB below full rated
power output
Adjustable from 0 to ±5 kHz swing with instantaneous
modulation limiting.
Within +l dB to -3 dB of a 6-dB/octave pre-emphasis
from 300 to 3000Hz per EIA standards. Post limiter
filter per FCC and EIA.
Less than 2% (1000 Hz)
Less than 3% (300 to 3000 Hz)
0.5 kHz maximum
Specifications
l dB Degradation
0.16 MHz
0.32 MHz
0.20 MHz
0.40 MHz
0.24 MHz
0.47 MHz
0.28 MHZ
0.54 MHz
Duty Cycle EIA 20% Intermittent (KT-56-A, C
&
KT-57-A, C)
Continuous (KT-58-A, C)
RF Output Impedance
5o
ohms
d'lese specifications ore intended primarily for the use of the serviceman. Refer to the appropriate Specification Sheet for the complete specifications.
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