Latest threads in Electronics Designshow only best voted threads
| Subject | Author | Posted | Replies | |
|---|---|---|---|---|
|
|
little HV supply
Here's a little high-voltage supply. I only need the HV1 (250V) and HV4 (1200V) outputs. It needs tuning, but I need lunch first. Maybe a less fierce mosfet, maybe a bit of snubbing, maybe I'll take...
42
|
8 years ago
|
42 | |
|
|
Hi Anyone have a Hendershot generator or plans
Cheers
14
|
8 years ago
|
14 | |
|
|
OT: Linux challenge
OK you guys! Spouting off how superior Linux is. Prove it by physically putting a hard drive that the BIOS does NOT recognize. Then try to read ANYTHING from the drive and use that data for recovery...
51
|
8 years ago
|
51 | |
|
|
NXP BSS83 discontinued
I'm upset about NXP discontinuing the BSS83. It was quite special: separate substrate pin, very low gate and drain capacitances, specified
38
|
8 years ago
|
38 | |
|
|
Antenna Amplifier Noise Figure
I read this post in an antenna group and I don't get how this guy is coming up with a negative noise figure. Looks to me like he is calculating the noise figure of a resistor, not the amplifier....
68
|
8 years ago
|
68 | |
|
|
High Voltage Stepping Motor
Hi I have an application where a 2.5V stepping motor is run from 30V (to build up current fast in the winding, for good transient and speed performance) So, let's optimize this, and run the motor...
15
|
8 years ago
|
15 | |
|
|
I2C to PWM IC
Does anybody make an IC that takes I2C command and outputs duty cycle (PWM)? I need to control bunch of TECs from CPU and I2C->PWM seems the most efficient (and smallest) way to do it. Any suggestion...
17
|
8 years ago
|
17 | |
|
|
Solar array
Any idea how many kW this sun-tracking array is, and what the installed cost for a system like this would be? Saw it on a farm near me while driving around today.
22
|
8 years ago
|
22 | |
|
|
LT Spice .PARAM
If I say .PARAM RR=50 MX=20 RD=5000/(1.000001-1/MX) it executes from left to right. But what if I have multiple .PARAM statements, and one calculates a value that another one uses. What order are they...
34
|
8 years ago
|
34 | |
|
|
multistage differential amplifier - stability
Dear All, I have recently worked on a new multistage amplifier and I experience some stability issues where I would be very grateful for some tips. As it is only working in a closed loop debugging the...
8
|
8 years ago
|
8 | |
|
|
New type of vacuum tube
KORG INC and Noritake Co., Limited Release Innovative Vacuum Tube: the Nutube
78
|
8 years ago
|
78 | |
|
|
Ping Tim Williams
So from reading your page, I know you've designed tube theremins before. As a hobby project, I'm interested in building a little theremin of my own. What I'd really like is a very compact thing - on...
4
|
8 years ago
|
4 | |
|
|
Stepper motor wiring + datasheet
Hi ! I found one old Step Syn, stepper motor on the junk yard. It's quite bit and this is his data: SANYO DENKI. "STEP-SYN" Type: 103-820-0241 IBM P/N: 6838068 Lot No. 8504 Made in Japan DC : 4.5V...
10
|
8 years ago
|
10 | |
|
|
Use 16F628 Code on 16F328A
Is it possible to use code written for a 16F628A-20 "as is" to program a 16F628-20 chip? if not, is there a slight change that can be made to the code to allow this? The only reference made to the...
—
|
8 years ago
|
— | |
|
|
32k pixel $250 Thermal Imager
Plugs into an Android or an iPhone. Decent resolution. Specs: o Resolution: 206 x 156 Array o Detection: -40C to 330C o frame rate: < 9Hz o Long Wave Infrared 7.2 - 13 Microns o Vanadium Oxide...
19
|
8 years ago
|
19 |