[Techtoolslist] HP 10529A

[Filip Hautekeete]

Anyone who has ever used one of these ? I think the dipswitches are related to the pins which are logic outputs but even when playing around with those switches I am still getting unsatisfactory results :-( 

Any comments would be welcome...
  ----- Original Message ----- 
  From: Filip Hautekeete 
  To: Technical Tools Mail List 
  Sent: Monday, June 19, 2006 6:04 PM
  Subject: [Techtoolslist] HP 10529A


  Hello all,

  I recently got ahold of an HP 10529A logic comparator but I am not sure how to use it.

  The unit came with a self test card and a card with textool socket 10529-60014.

  When I insert the test card and supply 5V to the card connectors the logic comparator LEDS blink shortly with a 2 second interval or something. If I also connect the logic clip on top of the "dummy" IC I get a long blink (approx 1 sec) and then still the short blink. I don't know if this qualifies as "normal" behaviour.

  To test the 10529A comparator I tested with a Wonderboy PCB. I insert the appropriate 74LS chip in the textool socket (pin 1 aligned to the "1" mark (near the SW error led)) but no matter how I fiddle around with the dip switches or COMP/CLIP switch I always get red comparator LED's to remain turned on (I expected either all of them to light up or remain off). I have tried with different 74LS chips on different locations but I can't get any decent result out of this.

  Can anybody tell me how to use this 10529-60014 thing (no manual here) or tell me what I am doing wrong ? A short description of what the dip switches and comp/clip switch are for would be welcome...

  Best regards,

  Filip



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