User Manual

GENERAL INFORMATION
1-5
August 1997
Part No. 001-3412-002
3412 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 380-512 MHz
Frequency Control Synthesized
Channel Spacing 12.5/25 kHz
Mode of Operation Simplex or Half Duplex
Operating Voltage +13.3V DC nominal (10-16V DC operational)
Regulated Supply Voltages +5.5V DC, +9.6V DC
Transmit Enable 3-16V DC at 150 µA max
Receive Enable 3-16V DC ±5% at 150 µA nominal (150 µA during receive)
Transceiver Enable 3-16V DC at less than 150 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°C 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
DM3412 Customer must apply
DL3412 Part 90, Part 15 (403-512 MHz), Industry Canada RSS119, Issue 5
RECEIVER
Bandwidth 16 MHz all bands except (20 MHz 308-403/450-470 MHz)
Frequency Stability ±1.5 PPM (-30°C to +60°C (-22°C to +140°F)
Sensitivity - 12 dB SINAD ≤ 0.35 µV
RF Input Impedance 50 ohms
Selectivity -70 dB/-60 dB (tN/t/E) for 25 kHz, 60 dB/50 dB (tN/t/E) for 12.5 kHz
Spurious and Image Rejection -70 dB
Conducted Spurious Emissions < -57 dBm
Intermodulation -70 dB
FM Hum and Noise -40 dB 12.5/25 kHz
Receive Attack Time < 5 ms
Total Receive On Time 7 mS maximum
Audio
Distortion < 3%
Buffered Output Level 150 mV RMS nominal at 2.5V DC bias
Discriminator Output ±1 dB from DC to 5 kHz (reference to 1 kHz)
Output Bias 2.5V DC ±10%
Output Impedance >10k ohms
RSSI 0.9V to 2.4V DC output from -120 to -60 dBm, attack time < 2 ms