Datasheet

MAX2306/MAX2308/MAX2309
CDMA IF VGAs and I/Q Demodulators
with VCO and Synthesizer
12 ______________________________________________________________________________________
MAX2308
BYP
BYP
FM-
FM+
CDMA+
3-WIRE
DAC
0.01µF
0.01µF
47pF
2pF
33pF
0.01µF
10kΩ
10kΩ
33pF
47pF
33nH
0.01µF
680Ω
CDMA-
LOCK
VGC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
DATA
CLK
Q_OUT+
Q_OUT-
I_OUT-
I_OUT+
REF
GND
V
CC
TANKH-
GND
CP_OUT
BYP
TANKH+
47pF
10kΩ
47kΩ
10kΩ
0.068µF
2.4kΩ
FM
0.01µF
Q
CDMA
EN
SHDN
Figure 2. MAX2308 Typical Operating Circuit