Explanation: As the electrical noise is random in nature, it is expressed as a root mean square value. The equivalent input noise voltage is expressed as square voltage (V2/Hz) and the equivalent input noise current as square noise current (A2/Hz). 6. The physical closeness of dual and quad package op-amp results in
A. Op-amp coupling
B. Amplifier to amplifier coupling
C. Channel coupling
D. Signal to noise coupling
Answer:A
Explanation: As the electrical noise is random in nature, it is expressed as a root mean square value. The equivalent input noise voltage is expressed as square voltage (V2/Hz) and the equivalent input noise current as square noise current (A2/Hz). 6. The physical closeness of dual and quad package op-amp results in
A. Op-amp coupling B. Amplifier to amplifier coupling C. Channel coupling D. Signal to noise coupling
Explanation: When a signal is applied to the input of only one op-amp, some signal will appear at the output of other op-amp due to the physical closeness of op-amps in dual and quad packages, this causes amplifier to amplifier coupling. 7. A parameter which is applicable only to dual and quad op-amp is