Victron Energie Atlas Combi 12V/800W Battery Charger/Inverter Teardown

I do a teardown and test of a Victron Energie Atlas Combi 12-800. It is a combined battery charger and 230VAC inverter. The battery charger of the Atlas Combi is suitable for a 230 VAC, (50 Hz) mains voltage. The …

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Nokia Siemens 3G Flexi 2100MHz 50W Amplifier Teardown (part 1 of 3)

Teardown of a Nokia Siemens Networks Flexi Multiradio amplifier. This was for example used for mobile phone base station installations and this particular part is a 2×50 Watt FRGL amplifier. This have been in service as a 2 antenna system …

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Cisco 9900 Series 50-1000MHz RF Signal Splitter Teardown

Cable TV Networks This Cisco headend/hub RF combining and splitting networks is used in Hybrid Fiber-Coaxial networks. HFC is a telecommunications industry term for a broadband network that combines optical fiber and coaxial cable. Advanced HFC networks include numerous 2-way …

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Tesla Coil Show Controller – Analog Audio Interrupter and Test (Part 6 of 8)

In this video I install and test the analog audio interrupter and gives a walk-through on how I am using it. All schematics for the circuits and PCB layouts are available at the project thread: Project thread: https://highvoltageforum.net/index.php?topic=1417.0 The DRSSTC …

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Telemechanique Altivar 58, 10kW Motor Drive Teardown

The ALTIVAR 58 (ATV58) family of adjustable frequency AC drive controllers is used for controlling three-phase asynchronous motors. This controller in from the range of: 1–75 hp (0.75–55 kW) constant torque (100 hp variable torque), 400/460 V, three-phase input. In …

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DIY 30W LED Work Lamp From a Discarded Street Light

I found a discarded street light head at a scrap yard and wanted to give it a new life instead of being shredded. Re-use, re-purpose or re-invent. Do not just throw out stuff, see if you can use it in …

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Tandberg TT1200 DVB MPEG-2 Decoder Teardown

Teardown of some old and discarded DVB MPEG-2 Decoders that have been used in a large buildings distributed TV network. Despite that units look the same on the outside, they turned out to be very different hardware revisions on the …

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Tesla Coil Show Controller – Syntherrupter Installation And MIDI Test (Part 5 of 8)

In this video I mount, update and test the Syntherrupter with its MIDI capabilities and gives a walk-through on how I am using it. Some of the details from the video is written as a part of this post. To …

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Teardown of Servomex CO2 Analyzer 1400 Series

Old discarded equipment from a agriculture laboratory. Unfortunately damaged from the rough handling. This CO2 analyzer measures the CO2 levels in emissions using the principle of infrared absorption. It is used after a gas preparation system and set-points can be …

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Teardown of Kathrein 1800/900 MHz Antenna For Mobile Phone Base Station

Teardown of a Kathrein Dual Panel 1800/900 MHz used for both GSM (2G) and 3G mobile broadband technologies. It also has options for Remote Electrical Tilt (RET). On the inside we will find phase changers, splitters, combiners and 1800/900 MHz …

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