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Re: IF transformer VNA Characterisation

> > Well, all modern test equipment is normalized for 50 or (more rarely) > 70 ohms. That is the so-called 'system impe...
1 comments posted 1yr
posted by Pimpom
1 comments posted 1yr posted by Pimpom

signal leads that pick up less ambient noise?

Hi, I have a very noisy workbench (lots of digital computers and computer monitors nearby) and it seems like I pick up...
49 comments posted 1yr
posted by christopher
49 comments posted 1yr posted by christopher

OT: A Quiet Night In...

....Monty Python style... https://www.youtube.com/watch?v=4BdYWCbovDI FMM the American Python, Terry Gilliam steals this...
0 comments posted 1yr
posted by cd
0 comments posted 1yr posted by cd

OT: Cracking Speech by JDV!

As the Munich conference today wound up, JDV gave a *cracking* speech, telling Europe they'd have to fund their own def...
140 comments posted 1yr
posted by cd
140 comments posted 1yr posted by cd

high curent PCB connector

Does anyone have a favorite high-current PCB connector? I'd like to get 20 wires into a pluggable connector, to go on a...
27 comments posted 1yr
posted by JL
27 comments posted 1yr posted by JL

PCB Vendors -- Again!

Looking to avoid tariff. Got low-cost domestic PCB vendor(s) you like? TIA, John
6 comments posted 1yr
posted by Sophi.2
6 comments posted 1yr posted by Sophi.2

Product idea

A lot of people in e.g. mobile homes in New England and (other areas of the US it gets cold in the winter) are stuck wi...
25 comments posted 1yr
posted by user
25 comments posted 1yr posted by user

SPLD output current protection

I have an SPLD with about 8 terminals exposed to the user I'd like to protect against over current. They're very low-sp...
10 comments posted 1yr
posted by user
10 comments posted 1yr posted by user

XBLW variants of MCP6001/2 opamps

While hunting for a cheap R-R opamp that's readily available here in India, I came across the MCP6001 and 6002. Unusual...
8 comments posted 1yr
posted by Pimpom
8 comments posted 1yr posted by Pimpom

The low distortion oscillator problem

There have been quite a few postings about 1kHz low distortion sine wave oscillators. The problem is that if you want a...
13 comments posted 1yr
posted by bill.sloman
13 comments posted 1yr posted by bill.sloman

Curve Tracer

Gentlemen, I've decided a nice project would be to build a curve tracer which would (because I'm a vintage nut) use a C...
18 comments posted 1yr
posted by cd
18 comments posted 1yr posted by cd

OT: Twitter/X

Gentlemen, I've just noticed the vast majority (no exaggeration) of my Twitter (X) following consists of young women wi...
18 comments posted 1yr
posted by cd
18 comments posted 1yr posted by cd

50 ohm on FR4

Grok reckons to make a 50 ohm tx line on FR4 I would need a Trace Width of approximately 2.73 mm and a Trace Spacing of...
7 comments posted 1yr
posted by cd
7 comments posted 1yr posted by cd