ComBlock COM-1826 Руководство
Просмотреть онлайн или скачать pdf Руководство для Модем ComBlock COM-1826. ComBlock COM-1826 19 страниц. Tdrss spread-spectrum modem
Печатать страницуKey Features
TDRSS spread-spectrum modem comprising
o Demodulator with two input types:
GbE LAN/SDDS-formatted input
stream or RF input.
o Modulator with baseband or RF output.
BPSK and SQPN spread-spectrum modulation
Convolutional/Viterbi error correction: K=7
Rate ½
Programmable 1023- (forward command link)
or 2047-chip (return mode 2 link) periodic I and
Q Gold codes
Programmable bit rates from 1 to 150 Kbits/s
on each channel. Two independent bit
synchronizers to acquire and track each channel
bit stream.
120-bin parallel code search for fast code
acquisition. False code lock prevention.
Built-in Bit Error Rate measurement for PRBS-
11 test sequences.
Demodulation performances: within 1.5 dB
from theory at threshold Eb/No of 2 dB.
MSS • 845-N Quince Orchard Boulevard • Gaithersburg, Maryland 20878 • U.S.A.
Telephone: (240) 631-1111
COM-1826
SPECTRUM MODEM
Facsimile: (240) 631-1676
© MSS 2016
TDRSS SPREAD-
Demodulated bits encapsulated in UDP frames
and sent out to the LAN. Support for IGMPv2
multicast addressing.
Monitoring:
o Receiver lock, Carrier frequency error,
SNR
ComScope
can be captured in real-time and displayed on
host computer.
90VAC – 264VAC power supply
Options:
o 1-3 receivers per 1 RU chassis
o Modulator with RF output
o Demodulator RF input
For the latest data sheet, please refer to the
web site: http://www.comblock.com/download/com1826.pdf.
These specifications are subject to change without notice.
For an up-to-date list of
refer to
http://www.comblock.com/product_list.html
www.ComBlock.com
Issued 11/27/2016
–enabled: key internal signals
ComBlock
ComBlock
modules, please
.