ThinkPad PowerSeries 820
Tuesday, April 23, 2019 in Blog
One of the rarest ThinkPads is the ThinkPad PowerSeries 820, running a Power PC 603e at 100 MHz. It’s code name is Wiltwick, the type designator (used in Windows) is 6040. It uses an 800x600 TFT, WD90C24A/G10 graphics and has a 1.2 GB SCSI HDD. …
PlutoSDR clock input
Saturday, January 05, 2019 in Blog
Warning! This modification voids the warranty and can operate the transceiver outside of it’s absolute maximum ratings! The PlutoSDR has an internal XO (Rakon RXO3225M 40.000 MHz), which has excellent qualities like very low jitter. …
WiFi over satellite TV coax
Sunday, October 14, 2018 in Blog
There’s a number of different ways to distribute an ethernet signal throughout a building. The most common types being: twisted pair wiring fiber optic cable WiFi (2.4 GHz, 5GHz) powerline (also called PLC, IEEE 1901) In my application, running …