Rack-Mount RDMS
TM
Telemetry Receiver
7
Quasonix, Inc.
Characteristic
Specification
Second IF Section
IF frequency
70 MHz
IF output level
0 dBm nominal (AGC mode)
IF output impedance
50 ohms
VSWR
2:1 Max; 1.5:1 Typical
IF bandwidths
250 kHz, 500 kHz, 1 MHz, 2 MHz, 4.5 MHz, 10 MHz, 20 MHz, 40 MHz. Automatic
selection based on modulation type and data rate, with manual override.
Optional: 70 kHz, 1.4 MHz, 3 MHz, 6 MHz, 14 MHz, 28 MHz
Demodulator Section
Demodulator type
ARTM Tier 0 (PCM/FM), ARTM Tier I (SOQPSK-TG), ARTM Tier II (Multi-h CPM)
Legacy suite: Analog FM, BPSK, QPSK, Offset QPSK (OQPSK), Asymmetric
QPSK (AQPSK), Unbalanced QPSK (UQPSK), Asymmetric Unbalanced QPSK
(AUQPSK), Digital PM
Bit Rates
Tier 0: 24 kbps to 23 Mbps in 1 bps steps
Tier I:
100 kbps to 46 Mbps in 1 bps steps
Tier II: 1 Mbps to 46 Mbps in 1 bps steps
Legacy: 25 kbps to 20 Mbps in Analog FM, 50 kbps to 10 Mbps in BPSK,
20 Mbps in QPSK in 1 bps steps
Synchronization time
(Average, at BER = 1e-5)
Tier 0: 250 bits, Tier I:
385 bits, Tier II:
2,800 bits
Synchronization threshold
Tier 0: -8.0 dB Eb/N0; RF Input (dBm): -118.0 (1 Mbps), -108.0 (10 Mbps)
Tier I:
-6.0 dB Eb/N0; RF Input (dBm): -116.0 (1 Mbps), -106.0 (10 Mbps)
Tier II: -7.0 dB Eb/N0; RF Input (dBm): -117.0 (1 Mbps), -107.0 (10 Mbps)
Sensitivity (BER = 1e-5)
Tier 0: 8.6 dB Eb/N0; RF Input (dBm): -101.4 (1 Mbps), -91.4 (10 Mbps)
Tier I:
11.2 dB Eb/N0; RF Input (dBm): -98.8 (1 Mbps), -88.8 (10 Mbps)
Tier II: 13.0 dB Eb/N0; RF Input (dBm): -97.0 (1 Mbps), -87.0 (10 Mbps)
Bit Synchronizer Section
Input codes
NRZ-
L/M/S, BIФ
-L/M/S
Output codes
NRZ-
L/M/S, BIФ
-L/M/S
Data and clock out
TTL (BNC) or RS-422 (Triax)
Lock detector out
TTL
Derandomizer
Standard IRIG 15-stage polynomial, selectable On/Off
Video Section
Video out
Dual wideband outputs, DC to 35 MHz
Video filter bandwidth
User programmable
Output level
1 Vp-p nominal, 4 Vp-p maximum
NTSC de-emphasis
Selectable On/Off
Environmental Section
Operating Temperature
0°C to +50°C
Non-operating Temperature
0°C to +70°C
Operating Humidity
0 to 95% (non-condensing)
Altitude
Up to 30,000 ft. (with the no displays options)