UMA1022M Datasheet, PDF (15/20 Pages) NXP Semiconductors – Low cost dual frequency synthesizer for radio telephones

Philips Semiconductors
Low cost dual frequency synthesizer for
radio telephones
Product specification
UMA1022M
handbook, full pagewidth
power
amplifier
transmit
data
transmit
mixer
duplex
filter
SPLITTER
RF PLL
VOLTAGE
CONTROLLED
OSCILLATOR
LOW-PASS
FILTER
RF
MAIN DIVIDER
UMA1022M
OSCILLATOR
REFERENCE
DIVIDER
IF
MAIN DIVIDER
RF
PHASE
COMPARATOR
AND
CHARGE PUMP
IF
PHASE
COMPARATOR
AND
CHARGE PUMP
crystal
clock
3-wire
bus
band-pass
filter
low noise
amplifier
first
mixer
SPLITTER
VOLTAGE
CONTROLLED
OSCILLATOR
IF
filter
second
mixer
IF PLL
to demodulation
LOW-PASS
FILTER
MGE629
Fig.6 Application block diagram.
1998 Dec 09
15