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Specifications

Product TypeFPGAs and Memory Graychips Sample Clock and Converter (A/D) Data RatesData Format (I/O) Local Oscillators 10 MHz Reference (Internal) Connectors Cabling Physical Environmental System and Software SRXL2 is a signal receiver mezzanine board (v. 2) for L-band and IF; it requires a main board.One programmable FPGA (Xilinx Virtex 4 SX XC4VSX55), plus FPGA and memory resources on main board 4 or optional 0 (TI GC4016) for digital down-conversion Sample clock tuning range 10-250 MHz, programmed through FPGA and phase-locked to 10-MHz reference Converter maximum sample rate 250 MHz Converter resolution 12 bitsData rates are dependent on data format and main board. Nominal input impedance 50 RFs: Reference - External L-band (900-2250 MHz, IF (160 or 140 MHz, IF (1-90 MHz, General (10 MHz) mixed down and filtered) mixed down and filtered) sampled directly) Time code (from external receiver): Ω 75 1 pps, IRIG-B, or other input, with user-configurable output Ω 75 or optional 50 Ω 75 or optional 50 Ω Minimum return loss 12 dB TBD TBD TBD Variable gain control range n/a 45 dB 45 dB 45 dB Signal level Usable -10 to 10 dBm -65 to -20 dBm -65 to -20 dBm -65 to -20 dBm Maximum (absolute) 16 dBm 0 dBm 0 dBm 0 dBm Sampled data Center frequency n/a 187.5 MHz 55 MHz Input frequency -3 dB bandwidth n/a 116 MHz 70 MHz 40 MHz minimum Typical performance SNR n/a 70 dB 70 dB 70 dB SFDR n/a 50 dB 45 dB 45 dB L-band and IF: L-band (oscillator 1) L-band (oscillator 2) IF (160 or 140 MHz) IF (1-90 MHz) Tuning range 1700-2950 MHz 562.5 MHz (fixed) 215 or 195 MHz (fixed) n/a Tuning step size 500 kHz n/a n/a n/aNominal frequency tolerance +/– 0.5 ppm at 25° C Frequency over temperature +/– 2.5 ppm at 0° to 75° C Adjustment range +/– 3 ppm Reference - External L-band IF Time code Connector type SMB 50 Ω F-type 75 Ω SMB 50 or 75 Ω 7-pin LemoConsult EDT for purchase options: To 7-pin Lemo on board, from time code source Via one DB9 (for 1 pps or IRIG-B) or BNC (for IRIG-B only) Weight 4.9 oz. typical Dimensions 6.6 x 4.2 x 0.5 in. (with a main board)Temperature Operating 0° to 40° C Non-operating -40° to 70° C Humidity Operating 1% to 90% (non-condensing at 40° C) Non-operating 95% (non-condensing at 45° C)System requirements and EDT-provided software driver packages are discussed in the specifications for your EDT main board.

Ordering Options

- Main board: PCI SS / PCI GS / PCIe8 LX - Graychips: 0 / 4 - Connectors: 50 / Bold 75 Ω (IF) - Cabling (for time code input): DB9 / BNC is default. For more options, see main board datasheet. Ask about custom options.
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