Author Archives: modemhead

About modemhead

Fixologist and multimeter junkie.

Fluke 8060A Repair

Posted on December 3, 2012 by modemhead

[Updated June 2013, see end of article.] [Also see: newer article on IBM 8060A/AA Refurb] The Fluke 8060A is another early-80s vintage handheld DMM.  With a 4½ digit  20,000-count display, RMS-responding AC bandwidth to 100kHz, and direct readout in dB, … Continue reading →

Posted in Repair | Tagged , , , | 101 Comments

Fluke 8020B Teardown

Posted on November 30, 2012 by modemhead

This Fluke 8020B DMM dates from somewhere in the early to mid-80s and is an updated version of the 8020A, Fluke’s first handheld DMM. The eBay seller’s description said this one “would not power up”. However, when I installed a … Continue reading →

Posted in Teardown | Tagged , , | 7 Comments

No-name vs. branded test leads

Posted on November 30, 2012 by modemhead

Ever wonder whats inside the insulation of your test leads?  This is a cross-section comparison of the wires from a generic no-name set of test leads and a Fluke TL75 set.  The TL75 set comes standard with many Fluke meters … Continue reading →

Posted in Gear | 4 Comments

Tektronix 465 Oscilloscope Repair and Restoration

Posted on November 30, 2012 by modemhead

After buying and refurbishing some older Fluke DMMs for use on my workbench during the past couple years, I recently decided to try something a little more complicated. So I found a crusty old “parts or repair” Tektronix 465 on … Continue reading →

Posted in Repair | Tagged , | 12 Comments