SP8853 Description
SP8853 1.3 GHz Professional Synthesiser Data Sheet June 2003 The SP8853 is a low power single chip synthesiser intended for professional radio applications, containing all the elements (apart from the loop amplifier) required to build a PLL frequency synthesis loop The device is serially programmable by a three-wire data highway and contains three independent buffers to store one reference divider word and two local...
SP8853 Key Features
- preamplifier and prescaler supplies .. VCC2, VEE2
- oscillator supplies s Programmed throughThree-Wire Bus VCC3, VEE3
- charge pump 2 supplies s Wide Range of Reference Division Ratios VCC4, VEE4
- ECL supplies s Local Storage for Two Frequency Words, giving Rapid Frequency Toggling Fig. 1 Pin identification diagram