User Manual

DTC COMMUNICATIONS, INC.
8
SPECIFICATIONS
Sub-carrier ON/OFF control Subcarriers are activated when mic is connected.
Subcarrier frequency stability +/- 0.003%, -30°C to +70°C
Sub-Carrier Deviation 50 kHz peak
Audio S/N 45 dB min.
Frequency Response BW
1.5dB
= 50 - 3000 Hz
Total Harmonic Distortion <2%
Input Level 8 mVpp @ 400 Hz for 50 kHz peak dev.
Pre-Emphasis 75 uS
Input Impedance 10 k Ohm
Video
Video Frequency
Response BW
1.5dB
= 6 Hz - 5.0 MHz
Input Impedance 75 Ohms
Input Level 1V
p-p
Max.
S/N 60 dB min.
Pre-Emphasis Per CCIR 405 525 line curve
Differential Gain 5%
RF
Operating Frequency 1700 - 1850 MHz, 250 KHz resolution steps
2400 - 2500 MHz, 250 KHz resolution steps
Power output 250 mW min. @ nominal supply voltage, 25 Deg. C.
-3 dB @ 3.6 VDC int
-2 dB over temp.
Output Impedance 50 Ohms
Spurs and Harmonics output -50 dBc
Load Pull Stability 8:1 VSWR
Frequency Stability +/- 0.003%, -30°C to +50°C