MIDAS-M UHF Radar Receiver Specifications
Single conversion downconverter with external image reject.
RF input range DC to 1500 MHz
IF output frequency 126 MHz
IF output bandwidth 30 MHz
RF input level -120 to -30 dBm (downconverter), +5 dBm max (bypass)
IF output level +4 dBm full scale, and +10 dBm max.
Max tuner gain +30 dB
Gain adjustment range -1 to +30 dB (31 dB in 1 dB steps)
Blanking isolation > 80 dB
Tuner noise figure < 5 dB (attenuator off ; use external LNA)
Integrated noise diode and terminating resistor and inputs.
Dual input per tuner channel.
Two tuner channels per receiver card.
Onboard PLLs for LO generation (240 to 760 MHz tuning range).
External LO input for wider tuning range.
External 10 MHz PLL frequency reference
PPS and 10 MHz coherence input for precise mode changes
External trigger input
Coherent triggered and PPS controlled tuner mode changes
cPCI form factor for power and chassis
Altera NIOS II Soft Processor
16 MByte SDRAM, 8 MBytes FLASH
Ethernet, serial USB, JTAG
uCLinux operating system