fly@rm3.flashnet.it (Stefano Mosca) wrote:
>Hi world,
>I need a simple circuit to use a photodiode to detect an IR beam, such
>as that coming out from a remote control, so that I can try and see
>the shape of the signal on an oscilloscope.
No problem...
How about this one....
15V
o
| BW 34
------ 56pF
/\ ----||------
/ \ | 68k |
---- o-/\/\/\---o 10k
| | | -/\/\/\--
| | |\ | | |
--------o---|-\ | 1k | |\ |
| >---o-||--/\/\/\-o-|-\ |
----|+/ 1nF | >--o---o Output
| |/ ----|+/
| | |/
--- |
---
The photodiod is BW34 or any simular.
The Op.amps are TL084.
Greetings Joerg
__________
\'|'/ Joerg Oulabi
\\\|/// Home 0202 611600
o====LASER=Lab=====>>O<<=== 42399 Wuppertal
///|\\\ Lab. 02191 672280
/.|.\ jou@mail.wupper.de
Date: Sun, 26 May 1996 02:16:29 GMT
Original Subject: Re: Help: need simple circuit to use photodiode