Things are rolling along smoothly on my TV Typewriter build. At last, I have reached the summit of this device – the Memory board. This […]
Category: TV Typewriter Redux
The RF modulator
Probably the most important circuit on this whole device is its RF modulator. The RF modulator takes is essentially a ‘converter’ that takes a pure […]
Mainframe and Cursor Board Progress
Progress continues on my TV Typewriter Redux project. After encountering disaster in the form of weak traces, I cleaned up and readied my second TVT […]
About Caps
One of the unantipicated tricky parts of trying to make my prototype look authentically oldschool is finding components that look correct for the period. As […]
Oh no!
So I’ve got my TV Typewriter ‘mainframe’ parts install underway. I’ve got molex connectors, caps, diodes, resistors — the whole nine yards. I decide to […]
The ‘Mainframe’
Just for clarity, what Radio Electronics refers to as ‘the Mainframe’ is what you and I today would call the ‘motherboard’. Just to clear that […]
Timing ‘done’
The timing board is now nearly finished, save for jumper wires: I’m pretty satisfied, although the real test will be how it cleanly it mates […]
Building the TVT Timing Board
As I mentioned earlier, I had been procrastinating on starting my TVT build for months. I had it in my head that I could not […]
‘Dye-ing’ to Begin My Build
For several months, not much progress has happened on the TVT. An attention-challenged collector, I’m always being tempted by other things. I ended up making […]
Wiring Up the Keyboard
Okay, this is where the rubber hits the road, sort of. With the encoder tested out working, now we begin the laborious process of rewiring […]