Gilles,
what manual you refer? (Part number) Heating transistor are NPN.TO220 similar to TIP120 Driver is Q6 and NPN similar to 2N3904 U1 is LM2904N U3 is uA208M Luciano Da "time-nuts" [email protected] A [email protected] Cc Data Tue, 10 Sep 2019 17:54:17 +0200 Oggetto [time-nuts] Hp10811 parts ref Dear list, Looking forward to apply the oven configuration of the 10811 oven oscillator - that is working so well - could you please help me identifying the appropriate references for the active parts : Q7 and Q8 heating darligntons PNP Q4 driving transistor PNP U1 and U3 op amps From the schematic on fig 8-15 on page 64 of the HP manual. Thx very much, Gilles. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
