wms7171 Winbond Electronics Corp America, wms7171 Datasheet - Page 16

• Manufacturer Part Number: wms7171
• Description: Non-volatile Digital Potentiometers With Up/down 3-wire Interface, 10kohm, 50kohm, 100kohm Resistance 100 Taps Without / With Output Buffer
• Manufacturer: Winbond Electronics Corp America

CS\
INC\
U/D\
FIGURE 7 – WMS7171 TRIMMING VOLTAGE REFERENCE
Vout
WMS71xx
FIGURE 8 – WMS7171 RF AMP CONTROL
WMS71xx WINPOT
5V
0V
CS\
U/D\
INC\
V
SS
R
R
R
W
V
A
B
/V
/V
/V
DD
GND
W
A
B
V
REFH
0.1uF
- 16 -
C1
V+
FILTER
V
RF Input
REF = 5.0v
WMS7170 / 7171
C2
L1
CHOKE
Q1
RF POWER AMP
RF OUT