I stepped on a good deal for a HP8720A VNA where the RIFA caps just died while testing the device on site at the seller. After replacing the capacitors the unit worked pretty well until… Weiterlesen »Teardown and Repair of a HP 8720A Vector Network Analyzer
A good friend of mine saved this nice arbitrary function/waveform generator from the dumpster. He mentioned that presumably the output was overloaded with 230V line voltage.Upon powering it up it issued output overload. But allowing… Weiterlesen »Repair of Agilent 33220A
Since a few months I’ve now had three Wiltron 610C and one Wiltron 610D lying in the corner.The main reason to acquire them was – apart from being cheap – to be able to test… Weiterlesen »Wiltron Model 610C / 610D
Today, I had the pleasure of acquiring a Tektronix 11801C for a great price. This device is a true monster of its era, boasting impressive capabilities that make it a valuable addition to specialized labs.… Weiterlesen »Tektronix 11801C Oscilloscope
Today arrived two of modules of the ones shown in image down below.Those are sealed isolating amplifiers for thermocouple type K temperature sensors.Every module has mounted four ISOT10-D-K amplifiers. In future I’ll design a little… Weiterlesen »Isolating amplifier for type K thermocouples
