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Circuit Diagram of Coaxial Cable Tester

Circuit Diagram of Coaxial Cable Tester

6

IC1

5

3

14

13

12

10

9

8

2

1

7

11

4

R2

LED1

A

R1

Coaxial Cable

R4

R3

LED2

LED3

+9V

R3

Circuit Diagram of Coaxial Cable Tester

B

2
0
0
publish time: 2020-09-24
Circuit Everyday

Coaxial cables are used as transmission lines for radio frequency signals. But sometimes it is difficult to detect the transmission signal from input to output. Now, this is a simple cable tester, using four 2-input NOR gate IC 4001. As shown in the circuit diagram, test the coaxial cable by connecting to points A and B. The illuminated LED1 indicates that the cable string is connected internally; the illuminated LED2 indicates that the cable is disconnected, and the illuminated LED3 indicates that the cable is good.

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