WCDMA Quasi-Direct Modulator
with VGA and PA Driver
Typical Operating Circuit
POWER
AMPLIFIER
TCXO
19.2MHz
VCC
N.C. 1
POUT 2
VCC _PA 3
BIAS_SET
4
VGC 5
VCC _IF 6
VCC _BB 7
100pF
28 27 26
SERIAL
BUS
0°
90°
BVP VTUNE
25 24 23 22
21 GND_VCO
20
VCC _VCO
RF
INTEGER-N
19 RFCP
LO
PLL
GEN
18 VCC _CP
MAX2395
17 VCC _PLL
16 REF
LD
15
8
9
10 11 12 13 14
VCC
100pF
Package Information
For the latest package outline information and land patterns, go
to www.maxim-ic.com/packages.
PACKAGE TYPE
28 QFN-EP
28 TQFN-EP
PACKAGE CODE
G2855-2
T2855-3
DOCUMENT NO.
21-0091
21-0140
12 ______________________________________________________________________________________