The SP8854E is one of a family of parallel load synthesisers containing all the elements apart from the loop amplifier to fabricate a PLL synthesis loop. Other parts in the series are the SP8852E which is fully programmable, requiring tw0 16-bit words to set the RF and reference counters and the SP8855E which is fully programmable using hard wired links or switches.

FEATURES

■ 2·7 GHz Operating Frequency

■ Single 5V Supply

■ Low Power Consumption <1·3W

■ High Comparison Frequency : 20MHz

■ High Gain Phase Detector : 1mA/rad

■ Zero ‘Dead Band’ Phase Detector

■ Wide Range of RF and Reference Division Ratios

■ Programming by Single Word Data Transfer