Hammarlund FM50A - Technical Specifications

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FM-50-A TECHNICAL SPECIFICATIONS
Frequency Range:
Transmitter:
FCC File #
Power Output into 50 ohm load:
Duty Cycle:
Crystal Multiplication:
Frequency Stability:
Modulation:
Modulation Limiting:
Audio Response:
Distortion:
Spurious & Harmonic Radiation:
Hum & Noise:
Receiver:
Frequency Stability:
Sensitivity:
Selectivity:
Spurious Response Attention:
Intermodulation Spurious
Attention:
System Audio Response:
Audio Output:
Hum & Noise Level
Squelch:
Duty Cycle:
Crystal Frequency Formula:
I~
147 to 174 Mcs, on any single channel (not necessarily
the same for receiving and transmitting)
Hammarlund Type FM-50-A
117V AC operation, 35 watts (00%)
12V DC operation, 30 watts (±10%)
6V DC
operation, 20 watts (±10%)
117V AC - 1 min. on, 1 min. off
12V DC - 1 min. on, 4 min. off
6V DC - 1 min. on, 4 min. off
Twelve Times 0
0.0005% (_30
0
to + 60 C ambient temperature range)
OVEN CONTROLLED
16F3, ±5Kc deviation for 100% modulation at 1000 cps
Instantaneous and automatic, . 25V rms input at 1000 cps
for thresh-hold of limiting
+1 to -3 db from 300 to 3000 cps, 1000 cps reference
Less than 10% at 3.5 Kc deviation, 1000 cps modulating
frequency
At least 60 db down
At least 40 db below ±3. 3 Kc deviation, 1000 cps reference
See transmitter specifications above
0.5 microvolt or less for 20 db quieting
±5 KC (or greater) at 6 db down
±17 KC (or less) at 100 db down
At least 90 db down
At least 65 db down
±2 db from 300 to 2500 cps, 1000 cps reference
At least 1. 0 watt at less than 10% distortion into built-in
speaker
Squelched, at least 50 db down from rated output
Unsquelched, at least 40 db down from rated output
Signal to noise ratio type, front panel adjustable,
. 15 microvolt or less at thresh-hold
Continuous
Signal Frequency -10.7 MC
3
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