wms7140 Winbond Electronics Corp America, wms7140 Datasheet - Page 16

• Manufacturer Part Number: wms7140
• Description: Nonvolatile Digital Potentiometers With Up/down 3-wire Interface, 10kohm, 50kohm, 100kohm Resistance 16 Taps With Optional Output Buffer
• Manufacturer: Winbond Electronics Corp America

CS\
INC\
U/D\
FIGURE 7 – WMS7140/1 TRIMMING VOLTAGE REFERENCE
WMS71xx
FIGURE 8 – WMS7140/1 RF AMP CONTROL
GND
V
WMS71xx WINPOT
REFH
CS\
U/D\
INC\
V
I = 32mA
SS
V
V
V
V
A
B
DD
W
0.1uF
- 16 -
C1
V+
V
REF = 5.0v
FILTER
RF Input
C2
VDD
WMS7140/1
L1
CHOKE
Q1
RF POWER AMP
RF OUT