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1) What are the normal applications of IC CA3140? 2

Electrical Engineering

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1) What are the normal applications of IC CA3140? 2. List the features and advantages of JFET op-amps. 3. Draw the equivalent circuit of LH0022/42/52 series JFET op-amps and explain the operation. 4. List the features of hybrid op-amp LF155 series.

5. How is the offset null adjustment arrangement different in IC LF155? Draw the circuit and explain.