Text preview for : v60ic_level3_service manual1.pdf part of motorola v60ic level3 service manual1 motorola Mobile Phone V60i_sm v60ic_level3_service manual1.pdf



Back to : v60ic_level3_service manu | Home

Service Manual Level III




Motorola V60i
CDMA 800/1900/AMPS 800
1
Circuit Description &
60i
Theory of Operation

FREQUENCY SYNTHESIZER CIRCUITRY

The phone contains three PLL frequency synthe-
sizers controlled by U700.
1. The main VCO: there are two main VCO
TRANSMIT POWER CONTROL CIR-
modules- a) one synthesizer controls the
CUITRY
tunable 979