Comtech EF Data MIDAS 4 System and Design - Manual (Page 105)

System and Design Manual, Revision 2
Traffic Node 6–7
Demodulator
Sweep Reacquisition
0 to 999 seconds, in 1 second steps
Buffer Clock TX, RX, Internal, External
Plesiochronous Buffer 32 to 262122 bps, in 16 bit steps
Input Impedance 75 Ω
Input Power:
Composite Level, Maximum
Desired Carrier
Composite to Desired Carrier
-5 dBm
For SNM-1000/1010: -30 to -55 dBm
For SNM-1010L:
-85 dBm +10log (SR) to –135 dBm +10log (SR)
For SNM-1000/1010: +40 dBc
For SNM-1010L:
+40 dBc, > 64 ksym/s (+50 dBc, < 64 ksym/s)
Acquisition Time (E
b
/N
o
= 8 dB) For SNM-1000/1010: < 2 second
For SNM-1010L: <1 second
Carrier Acquisition Range For SNM-1000/1010: ± 35 kHz, from 100 Hz to 35 kHz in 1Hz steps
For SNM-1010L:
0 to 1 MHz, in 1 Hz steps
Input Frequency For SNM-1000/1010: 50 to 180 MHz, in 1 Hz steps
For SNM-1010L:
950 to 1750 MHz, in 100 Hz steps
Input Return Loss For SNM-1000/1010: > 20 dB
For SNM-1010L:
>10 dB Type F (Female)
AGC Range For SNM-1010L: 50 dB above minimum input level
LNB Voltage For SNM-1010L: ON/Off +13, +18, and +24 VDC