![](/html/Infineon/565152/page12.png)
Confidential
3.4 Functional Block Diagram
PMB 2208
preliminary
Functional Description
1
RF
VCC2
MOX
MO
GND
GND
LOX
LO
PD1
TREF
A
AX
input
buffer
modu-
lator
bias
mixer
RFX
GND
mixer
IF
mixer
bias
IFX
PD2
GND
E
output
stage
EX
VCC1
GND
B
ƒ÷ 2
frequency
mixer
BX
divider
Figure 3-2 Functional Block Diagram
Funct_block.wmf
Wireless Components
3-5
Specification, August 1999