User manual

Code: ENIGMA III User Manual
Edition: 1 Revision: 4
Date: 19/12/2008
Page: 91/97
Technical specification - Single Polarization
9.3.1 ENIGMA III IF DIGITIZER (IFD)
IF Receiver inputs 3 channel, horizontal, vertical and reference
IF frequency 30 MHz or 60 MHz ( other frequencies optional)
IF Dynamic range > 100 dB ( 2 us pulse width)
ADC Sampling frequency 76.8 MHz, 16 bit resolution
AFC Analog output: maximum span for +/- 10 Volt
Digital output: 16 bit parallel format, 3 wire serial format or RS232 format
Matched Filter - Complex Digital Decimating Bandpass Filter, matched t
- Transmitter Pulsewidth
- Filter Coefficients configurable via uplink connection
- FIR (Finite Impulse Filter) Implementation
- Robust FPGA Implementation for maximum performance
- Performance 12.3 GOPS (Giga Operations per Second)
- Dual Polarization ready.
- Single Fiber Downlink Connection for dual polarization mode
Range base resolution 125 m, 100 m, 50 m or 25 m
Connectors - Coaxial high speed serial uplink (isolated)
- Fiber optic 1.2 GBits/s downlink
- Serial debug interface (RS-232)
- Two general purpose trigger outputs
- Two coherent general purpose analog outputs
- 16 Bit general purpose 5V digital I/O
Power Supply Separate shielded linear regulated power supply for optimum performance
Power consumption < 25W, 230 V AC, 50 Hz
Digitizer enclosure Precision milled aluminum case for optimum EM shielding
GAMIC Proprietary