hameg 8122

Hameg 8122 Universal Counter – teardown, repair and test

The Hameg 8122 Universal Counter is a programable counter / timer that has 3 inputs. Channel A and B from DC-150 MHz at 300 Vp-p and channel C from DC-1.6 GHz at 5 Vp-p. If you like to see other repair or teardown videos, check out this complete list! I accidentally broke a knob off […]

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15000$ (1990’s) Sony 3CCD Analogue color camera giveaway! (shipping costs apply)

As a part of Dave from eevblog gave me the opportunity to reach a larger audience through the guest videos, I hoped that I found a new owner for this Sony 3CCD camera and that it would bring something good to another electronics hobbyist. Unfortunately I did not find anyone back then, so I will

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Teardown of a Eaton PowerWare 60kVA UPS system

This is the teardown of a large 2x Eaton PowerWare 60kVA UPS system, first is the teardown video and below are some pictures and a little description of the components. For many more UPS teardown videos, check out the complete list. Here is a picture of a single Eaton PowerWare 60kVA system installed with battery

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Huawei RRU3908 base station circuit analysis (part 2 of 2)

The Huawei RRU3908 is an outdoor Radio Base Station with one to four carriers and one to six sectors at 20/40 Watt RF output power per carrier. Other teardowns of radio equipment can be found here. Discussion of the teardown and analysis can be found here: https://highvoltageforum.net/index.php?topic=423.0 Central Processing Units Network communication is handled by

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Huawei RRU3908 Base Station Teardown (Part 1 of 2)

The Huawei RRU3908 is an outdoor Radio Base Station with one to four carriers and one to six sectors at 20/40 Watt RF output power per carrier. Part 1 is the teardown itself with a walkthrough of different design highlights. Part 2 is coming online in the following 1-2 weeks. Part 2 is a complete

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Ericsson RBS 2216 Auxiliary Power Units teardown

I have updated a old teardown post with a new video about the auxiliary power units. Read the old post and see all the details, pictures and amplifier teardown here: http://kaizerpowerelectronics.dk/teardown/ericsson-rbs-2216-900-mhz-base-station-teardown/

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Moving To A New Lab (Part 3&4) Workshop Tours

Here you get a short glimpse of the new space for the workshop. This is part 3 and 4 in a series of videos on moving out, moving in and setting up the new lab / workshop. Part 5 & 6 is available here. I am moving out of the apartment and into our own

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Teardown of a Merlin Gerin Pulsar ESV 22+ UPS

Here is a new teardown of a small Merlin Gerin Pulsar ESV 22+. It is a 2.2 kW UPS that provided backup power for a small radio system used by a taxi company. For more UPS teardown videos and articles, check out the complete list of teardowns.

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