参数资料
型号: LTC1043MD883C
厂商: LINEAR TECHNOLOGY CORP
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, CDIP18
封装: SIDE BRAZED, HERMETIC SEALED, DIP-18
文件页数: 3/19页
文件大小: 358K
代理商: LTC1043MD883C
LTC1043
11
1043fa
Lock-In Amplifier (= Extremely Narrow-Band Amplifier)
50MHz Termal RMS/DC Converter
LTC1043 A013
13
1/4 LTC1043
T1 = TF5SX17ZZ, TOROTEL
RT = YSI THERMISTOR 44006
≈ 6.19k AT 37.5°C
MATCH 0.05%
6.19k = VISHAY S-102
OPERATE LTC1043 WITH
±5V SUPPLIES
LOCK-IN AMPLIFIER TECHNIQUE
USED TO EXTRACT VERY SMALL
SIGNALS BURIED INTO NOISE
5V
–5V
2
6.19k
100k
10k*
100
0.01F47F
6.19k
1
4
3
6.19k
T1
500Hz
SINE DRIVE
THERMISTOR BRIDGE
IS THE SIGNAL SOURCE
SYNCHRONOUS
DEMODULATOR
RT
3
6
+
LT1007
5V
–5V
ZERO CROSSING DETECTOR
2
3
4
1
8
1k
0.002
PHASE TRIM
50k
10k
7
5V
–5V
30pF
3
2
1
8
1M
1F
+
LM301A
5V
–5V
2
3
4
6
+
LT1012
VOUT = 1000 DC
BRIDGE SIGNAL
12
14
16
+
LT1011
*
+
LTC1043 A14
30k*
100k*
301*
10k
DC OUTPUT
0V TO 3.5V
10k
RED
T1B
*1% RESISTOR
T2B
1A
N
T2
T2A
GRN
300mV
10VRMS
INPUT
0.01F
GRN
BRN
CALIBRATION ADJUST
20k
5V
10k
3
2
4
1
8
5
6
7
2% ACCURACY DC 50MHZ
100:1 CREST FACTOR CAPABILITY
T1 TO T2 = YELLOW SPRINGS INST. CO.
THERMISTOR COMPOSITE
ENCLOSE T1 AND T2 IN STYROFOAM
3
2
4
6
1F
0.01F
1F
1/2 LTC1043
5
15
5V
18
17
16
+
+
LT1013
TYPICAL APPLICATIO S
U
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