3
rd
Generation Rack-
Mount RDMS™
8
Quasonix, Inc.
Characteristic
Specification
Demodulator Section
Demodulator type
ARTM Tier 0 (PCM/FM), ARTM Tier I (SOQPSK-TG), ARTM Tier II (Multi-h CPM), Space
Time Coding (STC); Legacy suite: Analog FM, BPSK, QPSK, Offset QPSK (OQPSK),
Asymmetric QPSK (AQPSK), Unbalanced QPSK (UQPSK), Asymmetric Unbalanced
QPSK (AUQPSK), Digital PM
Bit Rates
(after LDPC, Viterbi, Reed-
Solomon, and/or PCM encoding,
if applicable)
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
STC:
5 Mbps to 22 Mbps in 1 bps steps
Legacy: 25 kbps to 23 Mbps in Analog FM, 25 kbps to 23 Mbps in BPSK,
50 kbps to 46 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 acquisition
threshold
Tier 0:
-5.0 dB Eb/N0; RF Input (dBm): -115.0 (1 Mbps), -105.0 (10 Mbps)
Tier I:
-4.0 dB Eb/N0; RF Input (dBm): -114.0 (1 Mbps), -104.0 (10 Mbps)
Tier II:
-8.0 dB Eb/N0; RF Input (dBm): -118.0 (1 Mbps), -108.0 (10 Mbps)
Synchronization dropout
threshold
Tier 0:
-10.0 dB Eb/N0; RF Input (dBm): -120.0 (1 Mbps), -110.0 (10 Mbps)
Tier I:
-6.0 dB Eb/N0; RF Input (dBm): -116.0 (1 Mbps), -106.0 (10 Mbps)
Tier II:
-15.0 dB Eb/N0; RF Input (dBm): -125.0 (1 Mbps), -115.0 (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, BI
Ф
-L/M/S, RZ, DM-M/S, M2-M/S
Output codes
NRZ-L; or input code unaltered
Data and clock out
TTL (BNC) and RS-422
Lock detector out
TTL
Derandomizer
Standard IRIG 15-stage polynomial, selectable On/Off
Video Section
Video out (DC to 35 MHz)
1U
—
Quad wideband outputs: Ch1 and Ch2; Dual wideband outputs, Combiner
3U
—
Quad wideband outputs: Ch1, Ch2, and Combiner
Video filter bandwidth
User programmable
Output level
1 Vp-p nominal, 4 Vp-p maximum
NTSC de-emphasis
Selectable Off/NTSC/PAL
Environmental Section
Operating Temperature
0°C to +50°C
Non-operating Temperature
-20°C to +70°C
Operating Humidity
0 to 95% (non-condensing)
Altitude
Up to 30,000 ft. (with the no displays options)
Physical Section
Size
1U rack-
mount chassis: 18.95” wide, 1.72” tall, 14.00” rack depth, 14.74” overall depth
3U rack-
mount chassis: 18.95” wide, 5.22” tall, 14.06” rack depth, 14.80” overall depth
Weight
1U: 11.4 lbs. (dual-channel)
3U: 16.0 lbs.
Power
100 to 240 VAC, 50/60 Hz
