Exhibiting a signal-to-noise ratio of 75-dBFS and a spurious-free dynamic range of 87-dBc at a 70-MHz input frequency, the Model 7153 digital down converter (DDC) from Pentek is a four-channel, high-speed digitizer PMC module designed for processing baseband RF or IF signals from a communications receiver. The Model 7153 offers two modes of operation. The two-channel DDC mode achieves a maximum decimation of 65,536 and extends the lower bandwidth limit down to 3-kHz. The four-channel DDC mode provides an independently programmable decimation range from two to 256 on each DDC, covering signal bandwidths from about 700-kHz to 90-MHz. The PMC module starts at $12,500.