Teardown of Cisco / Atlanta Scientific Cable TV combining amplifier. These small amplifiers are used in receiver stations with combining amplifiers to send out the different channels on a single cable. In houses a splitter is used to receive this signal and distribute to more households. Historically CATV is short for Community Antenna TV. A […]
Scientific Atlanta (Cisco) 1 GHz Combiner and PSU Teardown Read More »
A guide on how to calculate gate drive transformer, how to wind gate drive transformers and test gate drive transformers. Gate drive transformers are also called GDT for short. The most important aspects is insuring low leakage inductance, no core saturation and having enough peak drive current available for your MOSFETs or IGBTs. This video
IGBT Gate Drive Transformer (GDT) Design, Construction and Test Read More »
A teardown of a desktop “PRO” UPS, the APC Back-UPS PRO 1500, a run down of the controller and power electronics of the system. I also compare it to the APC Smart-UPS 1500 VA, that I did a teardown of, some months ago. APC Smart-UPS 1500 vs. APC Back-UPS PRO 1500 A comparison is not
APC Back-UPS Pro 1500 VA Teardown Read More »
A teardown of a 3kVA rated 19″ 2U form factor UPS for server racks, the APC Smart-UPS X SMX3000, a run down of the controller and power electronics of the system. You can find pictures and circuit description below the video. If you want to see more teardown videos of UPS systems, you have come
Teardown of a 3kVA APC Smart-UPS X SMX3000 Read More »
This is the second video in a series of three, on how to get started with the DRSSTC UD3 Tesla coil driver. In this video I go through which hardware parts to change, how to configure the UD3, update firmware and use TeslaTerm to control and troubleshoot on a DRSSTC. In the end, I will
NextGEN DRSSTC UD3: Installation, Configuration, Software and Test (Part 2 of 3) Read More »
A teardown of a huge (2 full size 19″ racks) UPS system, the APC SmartUPS VT 40 kVA, a run down of the controller and power electronics of the system. If you like real big UPS systems, you are in luck! I have also done teardowns of the following systems. Teardown of a Eaton PowerWare
Teardown of a APC SmartUPS VT 40 kVA Read More »
At last a teardown of a 6 kW solar inverter, the Fronius IG Plus 2LT-2. Two phased system split into two inverter boards, based on TO-247 devices in the power electronics section. As always I would like to invite you to join the discussion of this project. And many other exciting DIY electronics projects at
Fronius IG Plus 2LT-2: 6 kW Solar Inverter Teardown and Analysis Read More »
A teardown of a desktop UPS, the APC Smart-UPS 1500, a run down of the controller and power electronics of the system. Data on the unit (which is currently replaced by a newer unit with same model number “APC Smart-UPS SMT1500IC”): https://www.apc.com/shop/dk/en/products/APC-Smart-UPS-Line-Interactive-1500VA-Tower-230V-8x-IEC-C13-outlets-SmartConnect-Port-SmartSlot-AVR-LCD/P-SMT1500IC If you want to see more UPS teardown videos, pictures and articles, I
APC Smart-UPS 1500VA Teardown Read More »