Datasheet Summary
SYNTHESIZER FOR GLOBAL SYSTEM
FOR MOBILE (GSM) CELLULAR TELEPHONES
SLWS020B
- FEBRUARY 1995
- REVISED JANUARY 1998
D Three Separate Loops: 1 UHF and 2 VHF
PW PACKAGE
D Operation to 1.2-GHz for Main Synthesizer
(TOP VIEW)
D Operation to 250 MHz for Auxiliary
Synthesizers
D Fast Lock-up Time D High-Speed Serial Data Bus D Low Power Consumption D Ideal for Global Systems for Mobile
VDD CLOCK
DATA
STROBE
VSS REF_IN
1 2 3 4 5 6 7
24 AUX1_IN
23 VDDP1 22 PDA1
21 SW1
20 RPA
19 VDDA 18 SWM munications (GSM) Applications description
The Texas Instruments (TI™) TRF2020 is an
VSSP PDA2
SW2
VDDP2 AUX2_IN
8 9 10 11 12
17 PDM
16 VSSA 15 RPM
14 VDDPM 13 RF_IN integrated high...