In Reply to: ECG Amplifier circuit needed ( urgent ) posted by Lim on 12/07/00 at 5:49 AM:
I need an analog signal amplifier and any details about it or similar.
Circuit caracteristics :
- command: + - 10V sine signal, f=10...50kHz (reglable in this interval), curent MAX!! 20mA, eventually up to 100mA, but dangerous.
- can be feeded with up to 40-50 V cc
a. sine form identical with input, but + - 40V
b. same output as a. , but phase-shifted with 90 degrees or the possibility to change the phase-shift
f=10-50kHz (identic with input)
!!! This is used for the command of a piezoelectric rotary motor. The circuit output loads are much more like capacitors -> about 100nF
I thank you in advance.