DB0FHN

G8MNY  > TECH     14.04.01 12:24l 27 Lines 937 Bytes #-8841 (0) @ EU
BID : 42733_GB7CIP
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Subj: Variable Zener
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      DB0ACC<ON0RAT<ON0LVN<ON6AR<ON1CED<ON0CK<GB7SXE<GB7CIP
Sent: 010414/0821Z @:GB7CIP.#32.GBR.EU #:42733 [Caterham] #:304877 $:42733_GB7C
From: G8MNY@GB7CIP.#32.GBR.EU
To  : TECH@EU

                    VARIABLE ZENER 
By G8MNY


         Zener +   -----------------------------
         6-60v          !       !          !
                        !      c \!       POT
                        !         !------>100K
                        !      e /!        !
                        !      !           !
                        !     ---\         !
                        !     / \          !
                        !     --- 5v       !
                        c\!    !           !
                          !----            !
                        e/!                !
                        !                  !
        Zener -   ---------------------------              

The Zener can be 5-10V. Both transistors are NPN. Set the voltage
pot sets the Zener from 1V higher than the zener to many times the zener.

73 de John G8MNY on 2001-APR-14 @ 9:21 local time


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