Datasheet

LTC1261
12
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For more information www.linear.com/LTC1261
TYPICAL APPLICATIONS
5V Input, –4V Output GaAs FET Bias Generator
7 Cells to –1.24V Output GaAs FET Bias Generator
1mV Ripple, 5V Input, –4V Output GaAs FET Bias Generator
1
2
3
4
8
7
6
5
SHDN
REG
OUT
COMP
V
CC
C1
+
C2
–
GND
100pF
LTC1261 • TA04
3.3µF
–4V BIAS
10k
P-CHANNEL
POWER SWITCH
0.1µF
SHUTDOWN
5V
V
BAT
LTC1261-4
GaAs
TRANSMITTER
1µF
+
1
2
3
4
8
7
6
5
SHDN
REG
OUT
ADJ
V
CC
C1
+
C2
–
GND
LTC1261 • TA05
3.3µF
–1.24V BIAS
10k
P-CHANNEL
POWER SWITCH
0.1µF
SHUTDOWN
V
BAT
= 8.4V
(7 NiCd CELLS)
LTC1261
GaAs
TRANSMITTER
1µF
+
1
2
3
4
8
7
6
5
SHDN
REG
OUT
COMP
V
CC
C1
+
C2
–
GND
100pF
LTC1261 • TA06
10µF
–4V BIAS
100µH
10k
P-CHANNEL
POWER SWITCH
0.1µF
SHUTDOWN
5V
V
BAT
10µF
LTC1261-4
GaAs
TRANSMITTER
1µF
+ +