SP8853 - 1.3 GHz Professional Synthesiser

Description

The programmable divider chain is of AM counter design and therefore contains a dual modulus front end prescaler, an A counter which controls the dual modulus ratio and an M counter which controls the bulk multi-modulus division.

Features

• s Improved Digital Phase Detector Eliminates HC28 ‘Dead Band’ Effects.
• FPD and FREF outputs are reversed by the phase s Low Operating Power, Typically 175mW detector sense bit in the F1/F2 programming word. The above diagram is correct when the sense bit is low. See s 1.
• 3GHz Operating Frequency Table 2 and Fig. 7. s Complete Phase Locked Loop s High Input Sensitivity VCC1, VEE1.
• preamplifier and prescaler supplies www. DataSheet4U. com VCC2, VEE2.
• oscillator supplies s Pr.