COMTEK BST-50b - Manual (Page 13)

Page 12
Audio Inputs:
Mic XLR, 600 ohm Balanced -40
dBV (nominal)
Line XLR, >10 k ohm Balanced 0
dBV (nominal)
Connectors:
XLR-3 Female audio input
connector for mic and line input
XLR-2 Male power input 12
volts
BNC type RF output connector
Operation Indicators:
LED Bargraph VU Meter
displays audio input
(modulation)
Two Digit Alpha Numeric Display
shows operating channel
Five Digit Numeric Display
shows operating frequency
Antenna Indicator displays
deficient antenna condition
Lock Out Indicator shows
tuning has been disabled
Antenna:
Telescopic antenna mounts
directly into top of transmitter
BNC RF output connector for
optional external antenna
FCC Compliance:
Type Accepted under Part 90
Power Requirements:
12 Volts DC, 300 mA max
Frequency Response:
80 Hz to 10 kHz
Audio Distortion:
Less than 0.5% at 80% modulation
Modulation Limiter:
Soft compressor type with high
(25 dB) linear overload protection,
attack time less than 1 ms,
recovery time 10 ms
Audio Gain Control:
Greater than 40 dB
Test Tone Generator:
400 Hz .5% distortion
Frequency Modulation:
10 kHz deviation
RF Output Power:
Set for 120 mW for FCC Part 90
Frequency Stability:
Better than 0.002%. digitally
synthesized, crystal controlled
Operating Frequency:
72.020 to 75.980 MHz
Harmonic and Spurious
Emissions:
Better than 55 dB below carrier
Dimensions:
6 1 /
2
" wide x 1 3 /
4
" high x 5 5 /
8
"
deep
Weight:
44 oz.
NOTE: Specifications subject to change
without notice
BST-50b SPECIFICATIONS
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© COMTEK ® All rights reserved
Printed in U.S.A. 03-16-2011