UMA1021M Datasheet, PDF (11/16 Pages) NXP Semiconductors – Low-voltage frequency synthesizer for radio telephones

Philips Semiconductors
Low-voltage frequency synthesizer
for radio telephones
APPLICATION INFORMATION
Product specification
UMA1021M
handbook, full pagewidth
transmit
power data
amplifier
transmit
mixer
SPLITTER
duplex
filter
low noise
amplifier
TCXO
1st mixer
PLL
VCO
LPF
MAIN
DIVIDER
REFERENCE
DIVIDER
PHASE
COMPARATOR
UMA1021M
to demodulation
2nd mixer
MBG369
Fig.4 Typical application block diagram.
1999 Jun 17
11