| ??? 09/29/09 18:06 Read: times |
#169266 - You wont see much across D2 Responding to: ???'s previous message |
It is effectivly open circuit, you can assume that the input to U3 has effectivly an infinite impeadance so you could put a load in parallel with C7 and it should work then. |
| Topic | Author | Date |
| Ultrasonic Measuremnt | 01/01/70 00:00 | |
| Don't you need a load for D2? | 01/01/70 00:00 | |
| You wont see much across D2 | 01/01/70 00:00 | |
| LM339 input bias current | 01/01/70 00:00 | |
| Bias Voltage + diode? | 01/01/70 00:00 | |
| Threshold voltage | 01/01/70 00:00 | |
| I would give this a try... | 01/01/70 00:00 | |
| ? | 01/01/70 00:00 | |
| Greinacher voltage doubler | 01/01/70 00:00 | |
| You have a good memory!!! | 01/01/70 00:00 | |
| Why use 9V | 01/01/70 00:00 | |
| Availability.. | 01/01/70 00:00 | |
| True but.. | 01/01/70 00:00 | |
Absolutely! | 01/01/70 00:00 | |
| Answers... | 01/01/70 00:00 |