Match the following: List I List II A. Darlington amplifier 1. A circuit using pnp and npn transistors B. CB amplifier 2. A CS amplifier driving a CG amplifier C. Cascade amplifier 3. A circuit with over-all voltage gain close to 1 and very large input impedance D. Complementary symmetry amplifier 4. A circuit with low input impedance

• A-1, B-2, C-3, D-4
• A-2, B-1, C-3, D-4
• A-3, B-4, C-2, D-1
• A-4, B-3, C-2, D-1