User's Manual

RF Input/Output Connector BNC standard
Power/Data Interface 15 pin subminiature D type
Operating Temperature -30 to +60 C
Maximum Dimensions (L x W x H) 3.6” x 2.3” x 1.0” including connectors
Weight 6 oz.
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2.2 TRANSMITTER
Operating Bandwidth Up to the span of the sub-band
RF Output Power (internally adjustable)
3 watt version (DTX-460-0 only) 1 to 3 watts
6 watt version 1 to 6 watts (2.5 watts min. recommended)
10 watt version (DTX-460-0 only) 2 to 10 watts
Duty Cycle 5 to 100 % depending upon voltage and
power level (see chart elsewhere in manual)
RF Load Impedance 50 ohms
Modulation Distortion (per TIA/EIA 603) 5 % max.
Modulation Frequency Response (+1/-3 dB, ref 1 kHz)
Narrowband versions:
w pre-emphasis 400 Hz to 2500 Hz
w/o pre-emphasis 50 Hz to 2700 Hz
Very narrowband versions:
w/o pre-emphasis 50 Hz to 1200 Hz
Transmitter Attack Time: 10 ms max
Spurious and Harmonics -25 dBm max.
FM Hum and Noise
Very narrow channel (5/6.25/7.5 kHz) operation 40 dB min.
Narrow channel (12.5/15 kHz) operation 45 dB min.
Group Delay Variation (Within Frequency Response) 5 us max.
Current Drain Depends upon supply voltage and regulator
options (see chart elsewhere in manual).
AUX IN adjustment range (60% rated dev.)
w pre-emphasis (@ 1 kHz) 200 to 1000 mV rms
w/o pre-emphasis (flat) 40 to 300 mV rms