Here's my ASCIImatic (at the moment) : 0V --------------------*----------*---------*------------*-----------* | | | | | # 12| | |8 | 1K# ----------- | ----------- | # | | |1N | | | 47K 22K/ | 14| | |41 | |6 | IN >--####------####---*-----| CA3046 | |48 | CA3046 |------* / | | | --- | | | -------* | | A | | | ----------- | ----------- | 13| | |7 | | | | | *---------*---------* | | | | | | | e +12V| | | | \ = | /|2 | | | > = 7|/ |----* | | BC559 \=_____/ | | | /=b 6 \741 | | 330K # / = 4|\ |-----------------*----####---#47K / = | \|3 | #\ | c -12V| # | Vout <--------* | #10M | | | # | # | | | #10K *---------------------*-----------*-12V # | 0V