User Manual
GENERAL INFORMATION
1-6
Part No. 001-3422-003
3422 UHF SYNTHESIZED TELEMETRY UNIT SPECIFICATIONS
The following are general specifications intended for use in testing and servicing this transceiver. For current ad-
vertised specifications, refer to the specification sheet available from the Marketing Department. Specifications are
subject to change without notice.
GENERAL
Frequency Range 132-150 MHz/150-174 MHz
Frequency Control Synthesized
Channel Spacing 15/30 kHz
Mode of Operation Simplex or Half Duplex
Operating Voltage +13.3V DC nominal (10-16V DC operational)
Regulated Supply Voltages +5V DC ±5%
Transmit Enable 3-16V DC at 400 µA max
Receive Enable 3-16V DC ±5% at 400 µA nominal (400 µA during receive)
Transceiver Enable 3-16V DC at less than 400 µA
Power and Data Connector 14-pin in-line socket (Dupont 76308-14)
RF Input/Output SMA Jack (female)
Operating Temperature -30°C to +60°C (-22°F to +140°F)
Storage Temperature -40°C to +85°C (-40°F to +185°F)
Humidity 95% maximum RH at 40°C, non-condensing
Maximum Dimensions 4.585" L, 3.25" W, 2.212" H
FCC Compliance
DM-3422 Customer must apply
DL-3422 Part 90, Part 15
RECEIVER
Bandwidth 132-150 MHz: 18 MHz with electronic tuning
6 MHz without retuning from 132-150 MHz
150-174 MHz: 24 MHz with electronic tuning
6 MHz without retuning from 150-174 MHz
Frequency Stability ±2.5 PPM from -30°C to +60°C (-22°F to +140°F)
Sensitivity - 12 dB SINAD ≤ 0.35 µV, -116 dBm psophometrically weighted
RF Input Impedance 50 ohms
Selectivity -70 dB/-60 dB (tN/t/E) for 30 kHz, 60 dB/50 dB (tN/t/E) for 15 kHz
Spurious and Image Rejection -70 dB
Conducted Spurious Emissions < -57 dBm
Intermodulation -70 dB
FM Hum and Noise -45 dB, 30 kHz channels psophometrically weighted
-40 dB, 15 kHz channels psophometrically weighted
Receive Attack Time < 5 ms
Total Receive On Time 7 ms maximum
Audio
Distortion < 3% psophometrically weighted
Buffered Output Level 150 mV RMS nominal at 2.5V DC bias