Tester. - This is electronic circuit schematic of The Op-amp IC Tester using Transistor like in Figure 1 below. In this circuit schematic the basic component used are transistor and LED.
In here we will give you global description about The Op-amp IC Tester using Transistor and then we will give you link to continue your reading from original source as external website.
In here we will give you global description about The Op-amp IC Tester using Transistor and then we will give you link to continue your reading from original source as external website.
Circuit Schematic
Component Part
- R1-R3________100K (Brown, black, yellow, gold)
- R4___________10K (brown, black, orange, gold)
- R5___________680 ohms (Blue, gray, brown, gold)
- C1___________4.7uF 25V ( Electrolytic)
- C2___________33pF 50V (Ceramic)
- Q1___________45V 100mA NPN Transistor
- LED1_________5mm LED color you want
- Socket IC 8 pins
- 9V battery with snap connector
Description
Circuit schematic like in Figure 1 above is Circuit Schematic The Op-amp IC Tester using Transistor. Eleccircuits site describe that the working of circuit for the OP-AMP is the tested IC will generate the square wave at pin 6 in all time Which use the charge and discharge of C1 in generate about 1 Hz the frequency (Calculated from ½ R1, C1). The both resistor R2, R3 act as set the reference voltage to compare the positive pin and negative pin of the op-amp IC which in this circuit use the 4.5 volts.
But sometimes the negative voltage instead, Q1 will stop immediately, because Q1 as compared to the reverse bias. LED1 so off and running, it will be like this forever until the positive frequency will come. Therefore, we can see LED1 flashes, So we know that IC is usually good enough. If LED1 work differently than this, indicating that the IC may be destroyed. In figure 2 will show Connections between devices together.
But sometimes the negative voltage instead, Q1 will stop immediately, because Q1 as compared to the reverse bias. LED1 so off and running, it will be like this forever until the positive frequency will come. Therefore, we can see LED1 flashes, So we know that IC is usually good enough. If LED1 work differently than this, indicating that the IC may be destroyed. In figure 2 will show Connections between devices together.
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