J
john ong
- Jan 1, 1970
- 0
R3 Ohm
|-------/\/\/\-------|
| _____________ |
R1 Ohm | |comparator | |
Vin---/\/\/\/\----------------------------|LM139 |---------|<---Vout
| | | |Vref = 1.4v | |
| | | |Supply=+/-Vcc| \
| | | ______________ /
\ C1 F--- ------ \
/ --- |zener | / R4 Ohm
R2 Ohm\ | |diode | |
/ | |5.6v | +|
\ | -------- V1 voltage
| | | -| source
|________|________|______________________________|
|
|-------/\/\/\-------|
| _____________ |
R1 Ohm | |comparator | |
Vin---/\/\/\/\----------------------------|LM139 |---------|<---Vout
| | | |Vref = 1.4v | |
| | | |Supply=+/-Vcc| \
| | | ______________ /
\ C1 F--- ------ \
/ --- |zener | / R4 Ohm
R2 Ohm\ | |diode | |
/ | |5.6v | +|
\ | -------- V1 voltage
| | | -| source
|________|________|______________________________|
|