| ??? 03/18/07 08:22 Read: times  | 
#135191 - to: Kai Klaas Responding to: ???'s previous message  | 
By the way, why do you think that AC excitation is no good idea?  Do you mean that AC excitation is more good than lock-in amplifier ??  | 
| ??? 03/18/07 08:22 Read: times  | 
#135191 - to: Kai Klaas Responding to: ???'s previous message  | 
By the way, why do you think that AC excitation is no good idea?  Do you mean that AC excitation is more good than lock-in amplifier ??  |