Chapter 2 _______________________________________________ Introduction and Specifications
VAISALA_______________________________________________________________________ 57
Range Resolution:
Minimum bin spacing of 25 m, selectable in N*8.33 m steps. Bins can be
positioned in a configurable range mask with resolution of N* the
fundamental bin spacing, or arbitrarily to an accuracy of ±2.2 m.
Maximum Range:
Up to 1024 km
Number of Range Bins:
Full unambiguous range at minimum resolution or 4200 range bins
(whichever is less)
RVP901 to RVP902 Link:
Uses shielded CAT5e cable, jumbo 8192-byte packets
Data Output via PCI Bus:
16-bit floating I and Q values
14-bit raw IF samples
2.14.2 RVP901 Digital Waveform
Synthesis
Analog Waveform Applications:
- Digitally synthesized IF transmit waveform for pulse compression,
frequency agility, and phase modulation applications
- Master clock or COHO signal to the radar; can be phase locked or free
running, arbitrary frequency
TxDAC Analog Output Waveform Characteristics:
- Two independent, digitally synthesized, analog output waveforms
(SMA). These two outputs are electrically identical and logically
independent IF waveform synthesizers that can produce phase
modulated CW signals, finite duration pulses, compressed pulses, etc.
- Can drive up to +13 dBm into 50
- 16-bit interpolating TxDAC provides >65 dB Signal-to-Noise Ratio
- IF center frequency selectable from 5 MHz to 65 MHz
- Signal bandwidth as large as 15 MHz for wideband/multiband Tx
applications; bandwidth is adjustable in software
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