UMA1015AM Datasheet, PDF (16/24 Pages) NXP Semiconductors – Low-power dual frequency synthesizer for radio communications

Philips Semiconductors
Low-power dual frequency synthesizer
for radio communications
APPLICATION INFORMATION
Product specification
UMA1015AM
handbook, full pagewidth
POWER
AMPLIFIER
SPLITTER
959 MHz
DUPLEX
FILTER
914 MHz
TCXO
VOLTAGE
CONTROLLED
OSCILLATOR
TRANSMIT PLL
MAIN
DIVIDER A
REFERENCE
DIVIDER
MAIN
DIVIDER B
modulated audio
LOW-PASS
FILTER
PHASE
COMPARATOR
A
UMA1015AM
PHASE
COMPARATOR
B
LOW NOISE
AMPLIFIER
SPLITTER
RECEIVE PLL
VOLTAGE
CONTROLLED
OSCILLATOR
LOW-PASS
FILTER
856 MHz
1st MIXER
1st IF AND REMAINDER OF
RECEIVER CHAIN
to demodulation
MGG533
1997 Sep 03
Fig.14 Typical application block diagram.
16