Hello,

What type of circuits are these?

 

(a) diode is used as a half wave rectifier
(b) zener diode is used to set trip point of the comparator (open loop OP AMP)

 

(a) diode is used as a half wave rectifier
(b) zener diode is used to set trip point of the comparator (open loop OP AMP)

yeah I know what the components do, but i got this work back for corrections and the teacher wanted to know what type of circuit it is?

 

Do you still have questions?

 

Do you still have questions?

Im not sure, I was confused by what he wanted. The questions asked to explain the purpose of the component. I explained it and it was right but he wanted me to add what type of circuit it was.

 

Fig 1 is a DC power supply. I'll let you refine the description further.

Fig 2 is a battery voltage monitor. I'll let you figure out under what conditions the LED lights.

 

Im not sure, I was confused by what he wanted. The questions asked to explain the purpose of the component. I explained it and it was right but he wanted me to add what type of circuit it was.

The first one is a half wave rectifier (like dl324 said).
The LED in the second one will light if the battery can provide more than 6.2 volts. I suppose you can say that it indicates when a battery is sufficiently charged.

 

Fig 1 is a DC power supply. I'll let you refine the description further.

Fig 2 is a battery voltage monitor. I'll let you figure out under what conditions the LED lights.

Cheers, that all I needed to know.