Electronics Computer-Aided Design

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4046 PLL model scarcity.

I Googled to chance my luck finding a model, after not finding one from NXP. My observations found a few points: 1. Lot...
73 comments posted 14yrs
posted by no-one
73 comments posted 14yrs posted by no-one

Error in CA3140 model?

Hello. I found a model for the CA3140 on a web archive of this group, from an old post (2003) and not found any other e...
2 comments posted 14yrs
posted by no-one
2 comments posted 14yrs posted by no-one

OT: Another Excel Question

Suppose I have... A1 B1 C1 D1 E1... B1 C1 & D1 are populated, E1... are empty I want the contents of D1 to appear in A1...
10 comments posted 14yrs
posted by To-Email-Use-The-Envelope-Icon
10 comments posted 14yrs posted by To-Email-Use-The-Envelope-Icon

LOG112 Log Amp LTspice symbol.

This is the result of my work mentioned in the previous thread, subject: 'Subcircuit levels', and LTspice... The first...
1 comments posted 14yrs
posted by no-one
1 comments posted 14yrs posted by no-one

'Subcircuit levels', and LTspice...

Hello. I might have missed something obvious but I'm usually good with adapting subcircuits to LTspice, making my own s...
6 comments posted 14yrs
posted by no-one
6 comments posted 14yrs posted by no-one

Modelling the AD734 in LTSpice

I'm trying to model a circut containing the AD734 in LTSpice. Analog Devices offers a Spice model, and I've used LTSpic...
0 comments posted 14yrs
posted by bill.sloman
0 comments posted 14yrs posted by bill.sloman

Areas without solder mask in PCAD 2004

I'm trying to have a copper polygon without solder mask, so I copy the polygon from the Top layer to the Top Mask layer...
1 comments posted 14yrs
posted by me
1 comments posted 14yrs posted by me

Anybody have PSpice modeling for AIR?

Just need a first pass model for transmission and maybe some 'objects' in a room. Up to 200kHz is ok, or up to 1MHz. Pe...
0 comments posted 14yrs
posted by robert.a.macy
0 comments posted 14yrs posted by robert.a.macy

Recalcitrant dongle on PADS 3.5

Hello, My layouter uses PADS PCB 3.5. Yeah, it's old and long since out of support but works perfectly, so no need to s...
5 comments posted 14yrs
posted by invalid
5 comments posted 14yrs posted by invalid

Am I missing some setting?

Am I missing some setting? I want to do a remote reboot. Is there some setting such that ctrl-alt-delete reboots withou...
20 comments posted 15yrs
posted by To-Email-Use-The-Envelope-Icon
20 comments posted 15yrs posted by To-Email-Use-The-Envelope-Icon

Hysteresis of 74HC14

Anyone measured the actual hysteresis of a 74HC14? The data sheet claims almost a volt. Is that a reliable number? I do...
8 comments posted 15yrs
posted by To-Email-Use-The-Envelope-Icon
8 comments posted 15yrs posted by To-Email-Use-The-Envelope-Icon

An Interesting LTspice Discussion

An Interesting LTspice Discussion, relating convergence issues with TABLE representations, enticed me to fit such situa...
1 comments posted 15yrs
posted by To-Email-Use-The-Envelope-Icon
1 comments posted 15yrs posted by To-Email-Use-The-Envelope-Icon

Carbon Filters for Water?

Carbon Filters for Water? Anyone experienced with what to use to eliminate chlorine? I'm trying to set up an automatic...
17 comments posted 15yrs
posted by To-Email-Use-The-Envelope-Icon
17 comments posted 15yrs posted by To-Email-Use-The-Envelope-Icon

PID Ziegler-Nichols - Second Method

People, I am doing my undergraduate thesis about a electronic throttle control, and i am trying to tunning this using a...
1 comments posted 15yrs
posted by mauricio.eletrica
1 comments posted 15yrs posted by mauricio.eletrica