< Home < Products < Satellite Telemetry and Communications: Chassis Level Solutions < SR-4210 L/S-Band Receive System




Specifications
SR-4210 L/S-Band Receive System




 

RF Input

Frequency Range: 2200 to 2297.5 MHz (S-Band)
                              1690 to 1850 MHz (L-Band)
                              Other bands on request
Frequency Selectivity: 500 kHz
Dynamic Range: : -10 dBm to Noise Threshold
Noise Figure: <8 dB
Image Rejection: >60 dB
Interfering Signal Rejection: >60 dB (+/- 8 MHz from FC)
AGC Modes: Automatic or Manual (Local or Remote)


Supported Waveforms

Phase Modulation (PM) - Digital or Analog
Phase Shift Keyed (PSK) - B, Q, OQ, AQ, UQ, SOQ, optional
         phase shaping from 1-100% of baud period
          in 12.5% increments
PM/PSK - Configurable subcarrier frequency
Phase Modulation (PM) - Digital or Analog
Frequency Modulation (FM) - Digital or Analog
FM/FSK
Consult Factory for Other or Custom Waveforms

Common Specifications

Data Rates: 50 bps to 20 Mbps
Data Rate Selectivity: 0.001 Kbps Steps
Acquisition/Tracking Range:

 

Programmable up to +/- 500 KHz

Locking Threshold: Programmable to -

 

programmable sensitivity to 6 dB Eb/No or
            -23 dB SNR in IF bandwidth

Performance:

 

Typically within 1 dB of Theory for Typical Waveform Modes

PM Waveform Specifications

Modes: Digital or Analog
Modulation: 0 to 2 Pi Radians
Frequency Response: ~ 10 KHz to 3+ MHz
Loop Bandwidth: Programmable from 100 Hz
Static Phase Error: < 10°
Residual Phase Error: < 3° RMS


PSK Waveform Specifications

Modulation Options

 

BPSK
QPSK
OFFSET-QPSK
ASYNC-QPSK
UNBALANCED-QPSK

Loop Bandwidth: Programmable from 1 Hz

PM/PSK Waveform Specifications
 

Waveform: PSK Subcarrier Modulated via PM on Main Carrier
PM Subcarrier Frequency: Programmable
PM Modulation Index: 0 to 2 Pi Radians
PM Static Phase Error: < 10°
PM Residual Phase Error: < 3° RMS
Subcarrier Tracking Range: Programmable
PSK Modulation Options:
      BPSK, QPSK, OQPSK, AQPSK, UQPSK
PSK Loop Bandwidth: Programmable from 1 Hz
PSK Selectivity:
Operates with Multiple Subcarriers on Main Carrier


 

FM Waveform Specifications

Modes: Analog or Digital
Modulation: 50 Hz to 5 MHz Deviation
Loop Bandwidth: Programmable from 100 Hz
Detection: Non-Coherent Discrimination

PCM Conversion Specifications

Input PCM Formats

 

Non-return-to-zero (NRZ): Mark, Space, Level
Bi-phase (BIØ): Mark, Space, Level

Output PCM Formats: NRZ-L AND BIØ-M

Viterbi Decoder

Constraint Length: 7 (K=7)
Rate: 1/2 (r 1/2) or 3/4 (r 3/4 punctured)
Convolutional Polynomials

 

G1 = 171 Octal (1111001)
G2 = 133 Octal (1011011)

Symbol Ordering:

 

G1 followed by G2
G2 followed by G1

Data Scrambling

 

Optional G2 Invert in any Mode

Modes: Optional Dual Decoding for Independent I/Q data


Data Descrambler

Algorithms: V.35 (CCITT) or V.36 (INTELSAT)
Shift Register Length: 20 Bits


Remote Status/Control Specifications

Serial RS-232 @ 9600 bps (Custom Interfaces Available)
Commands:

 

Control Over All Configurable Parameters

Status:

 

Search/Lock Status
Self-Test Status
Detailed Operational Information


Other Specifications

Chassis

 

19 Inch Rack Mountable
1.75 Inch Height (1U)
20 Inch Depth (Excluding Connectors)

Connectors

 

1 N For RF Input
1 BNC for IF Monitor Output (Front Panel)
4 BNC’S For Data/Clock Outputs
(NRZ-L, BIØM, 0° CLK, and 180° CLK)
1 9 PIN D for Differential Data/Clock Outputs
(NRZ-L, BIØM, and CLK)
2 BNCs for Programmable DAC Monitors
1 9 PIN D for Remote Status/Control
Standard 3 Prong Male Primary Power Input

Primary Power: 120 VAC (+/- 10%) 50-60 Hz
Temperature

 

-25° TO 60° C Operational
-45° TO +65° C Storage


Click to Contact Us for more information on our products and services.

* All specifications subject to change without notice or obligation to retrofit.
Consult factory for custom options and/or alternate specifications


All Content - Copyright by Summation Research Inc. 1999 - 2005