LT119A/LT319A
LM119/LM319
U
TYPICAL APPLICATIONS
5kHz to 2MHz V→F Converter
5V
50pF
POLYSTYRENE
3.3k
5V
5V
330Ω
TTL OUT
5kHz TO 2MHz
470Ω
10k
2N2369
2k†
20k
4
0V TO 10V
–
470Ω
1
1
0.01µF
/
2
LT119A
2
3
+
22pF
1M
5V
10k
10k
2k
220Ω
10
LT1004-1.2
9
8
–5V
–
6
1
/
2
LT119A
0.1µF
7
+
ALL DIODES 1N4148
† SET SCALE FACTOR
5
3k
LT119/319 TA9
–5V
W
W
SCHEMATIC DIAGRAM
R1
3.5k
+
V
R7
3k
R2
4k
R3
4k
R6
3k
Q9
Q4
Q8
Q3
Q7
C1
18pF
R12
13k
–
Q6
Q2
R11
13k
R10
170Ω
R4
3k
R5
3k
5.6V
5.6V
INPUTS
+
Q15
R8
2k
Q1
Q5
Q13
Q14
R9
R15
300
Q10
18k
Q22
OUTPUT
Q16
R13
600Ω
R23
4k
R22
60Ω
R20
R18
1.9k
3.6k
Q11
Q12
Q21
R16
600Ω
R14
2k
R19
250Ω
Q20
TO OTHER
SIDE
LT119A
Q19
R25
600Ω
Q17
Q18
R24
250Ω
R21
900Ω
R17
3Ω
–
V
GND
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tationthattheinterconnectionofitscircuitsasdescribedhereinwillnotinfringeonexistingpatentrights.
7
Linear [ Linear ]
