LTC1043
13
1043fa
High Frequency Clock Tunable Bandpass Filter
LTC1043 • A18
–5V
1k
–5V
LT1004-1.2C
FREQUENCY IN
0kHz TO 30kHz
1µF
0V TO 3V OUTPUT
*75k = TRW # MTR-5/120ppm
–5V
5V
1000pF
5V
1µF
75k*
1/4 LTC1043
12
1413
+
10k
GAIN TRIM
LF356
16
4
17
0.005% F/V Converter
1000pF
1000pF
12
11
7
200pF
1/2 LTC1043
8
14
13
R
Q
= 10k
BANDPASS CENTER FREQUENCY f
O
=
BANDPASS GAIN AT f
O
IS: R
Q
/R
IN
f
O MAX
100kHz
Q
MAX
AT 100kHz f
O
IS 10
(f
O
• Q) MAX 1MHz
f
CLK MAX
3MHz, Q < 2
5V
–5V
5V
5V
–5V
–5V–5V
+
LT1056
LTC1043 • A19
BANDPASS
OUTPUT
3
17
2
4
200pF
1/2 LTC1043
6
18
15
5V
5
16
+
LT1056
+
LT1056
V
IN
10k
R
IN
R1
10k
R2
10k
CLOCK
INPUT
Q =
R
Q
R2 R1
R2
f
CLK
31.4 R1
R2
TYPICAL APPLICATIO S
U
LTC1043
14
1043fa
Frequency-Controlled Gain Amplifier
LTC1043 • A21
5V
–5V
–5V
2
3
4
6
7
+
LT1056
3
10k
33k
22MSENSOR
* = 1% FILM RESISTOR
LT1004
1.2V
500
90%
RH TRIM
10k
5% RH TRIM
2
1
100pF
9k*
1k*
SENSOR = PANAMETRICS # RHS
500pF AT RH = 76%
1.7 pF/%RH
6
8
+
LM301A
OUTPUT
0V TO 1V = 0% TO 100%
1µF
100pF
0.01µF
1µF
1/4 LTC1043
12
1/4 LTC1043
11
8 7
16
17
1413
1k*
470k
Relative Humidity Sensor Signal Conditioner
GAIN CONTROL
0kHz TO 10kHz = GAIN 0 TO 1000
0.01µF
1/2 LTC1043A
FOR DIFFERENTIAL INPUT, GROUND PIN 8A AND USE PINS 13A AND 7A FOR INPUTS
FOR SINGLE-ENDED INPUT AND POSITIVE GAIN, GROUND PIN 8A AND USE PIN 7A FOR INPUT
USE ± 5V SUPPLIES FOR LTC1043
5V
2
7
6
4
3
–5V
LTC1043 • A20
100pF
1/2 LTC1043B
f
IN
• 0.01µF
1kHz • 100pF
+
LT1056
V
IN
V
OUT
11A 11B
12B
12A
0.01µF
13A 14A
8A
7A
16A
13B
8B
7B
16B
14B
GAIN = ; GAIN IS NEGATIVE AS SHOWN
TYPICAL APPLICATIO S
U
LTC1043
15
1043fa
Linear Variable Differential Transformer (LVDT), Signal Conditioner
LTC1043 • A23
0.01µF
12
SHUNT CAN BE IN POSITIVE
OR NEGATIVE SUPPLY LEAD
11
7
13
V
OUT
1µF
R
SHUNT
I
IN
1/2 LTC1043
8
14
16 17
1µF
+
Precision Current Sensing in Supply Rails
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-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
LTC1043 • A22
30k
0.005µF
30k
0.005µF
1/4 LTC1043
5
1µF
200k
OUTPUT
0V ±2.5V
0M 2.50M
10k GAIN TRIM
6
7
+
1/2 LT1013
10k
100k
1.5kHz
4.7k
1.2k
Q1
2N4338
AMPLITUDE STABLE
SINE WAVE SOURCE
7.5k
100k 0.01µF
100k
PHASE
TRIM
10µF
LVDT = SCHAEVITZ E-100
1N914
LT1004
1.2V
5V
5V
–5V
–5V
5V 5V
1k
–5V
LVDT
3
2
4
1
8
RD-BLUE
BLK
YEL-BLK
YEL-RED
BLUE
GRN
3
2
4
7
8
1
TO PIN 16, LTC1043
+
LT1011
11
87
4
13 14
17
12
1/4 LTC1043
+
+
LT1013
TYPICAL APPLICATIO S
U

LTC1043CSW#PBF

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
Switch ICs - Various CMOS Sw Bldg Block-Front End
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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