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Filter for Impulse Noise

General Electronics Chat About 2 weeks ago at 02:21 PM

Last message by crutschow on February 12, 2021 at 07:51 PM

4 Replies
111 Views
Transistor Resistance

General Electronics Chat 2 weeks ago at 01:38 PM

Last message by SamR on February 12, 2021 at 06:16 PM

23 Replies
427 Views
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Switching flipper coils with MOSFET

General Electronics Chat One month ago at 02:34 PM

Last message by geekoftheweek on February 12, 2021 at 03:42 PM

89 Replies
1764 Views
14 Replies
259 Views
charge pump for high side device

Power Electronics 2 weeks ago at 05:10 AM

Last message by wayneh on February 11, 2021 at 09:09 AM

9 Replies
204 Views
Oscillator using just a diode, C and R

General Electronics Chat 2 weeks ago at 05:04 PM

Last message by ApacheKid on February 10, 2021 at 12:19 PM

15 Replies
277 Views
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Power On At Pre-Set AC Voltage

General Electronics Chat 2 weeks ago at 11:13 AM

Last message by KeepItSimpleStupid on February 9, 2021 at 11:52 AM

6 Replies
160 Views
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Mackie CR4 (probably Zenner diodes burned.

Technical Repair 7 months ago at 05:10 PM

Last message by Jonaducati on February 8, 2021 at 01:41 PM

14 Replies
984 Views
I cannot understand why oscillations happens at gain less than 1?

Analog & Mixed-Signal Design 3 weeks ago at 07:57 AM

Last message by Papabravo on February 8, 2021 at 11:00 AM

11 Replies
579 Views
OP AMPS, mV, sensor

Analog & Mixed-Signal Design 2 weeks ago at 05:49 PM

Last message by ericgibbs on February 8, 2021 at 08:11 AM

10 Replies
169 Views
Why do we need NPN to drive PMOSFET-help needed

Analog & Mixed-Signal Design 2 weeks ago at 11:49 AM

Last message by crutschow on February 6, 2021 at 09:12 PM

6 Replies
228 Views
First attempt at using TL494 inverter circuit, periodic "shoot-thru" on power-up...

Power Electronics 3 weeks ago at 05:31 PM

Last message by Hamlet on February 6, 2021 at 12:45 PM

18 Replies
341 Views
Help finding a part UN206 - motor driver

Datasheets, Manuals & Parts Identification 3 weeks ago at 08:22 AM

Last message by MaxHeadRoom on February 4, 2021 at 09:41 AM

4 Replies
134 Views
Why use transistors when a uln2003 can drive a stepper by itself?

General Electronics Chat 3 weeks ago at 01:02 AM

Last message by ElectricSpidey on February 3, 2021 at 04:02 PM

20 Replies
368 Views
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Design question: Possible simplification (ans'd)

Analog & Mixed-Signal Design One month ago at 05:20 PM

Last message by metermannd on February 3, 2021 at 11:33 AM

12 Replies
612 Views
NPN and PNP Transistor configuration puzzling me

Analog & Mixed-Signal Design One year ago at 06:11 PM

Last message by AnalogKid on February 2, 2021 at 09:56 AM

16 Replies
609 Views
How to isolate voltage divider both from power and ground ?

Microcontrollers One month ago at 06:37 AM

Last message by tsvetan.filev on February 1, 2021 at 09:32 AM

17 Replies
643 Views
7 Replies
344 Views
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Plasma Cutter Repair

General Electronics Chat One month ago at 09:13 AM

Last message by Wasoofa82 on January 30, 2021 at 05:56 PM

10 Replies
250 Views
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Constant current from buck driver, with modulation

Analog & Mixed-Signal Design 4 weeks ago at 11:56 AM

Last message by deezums on January 29, 2021 at 01:33 PM

8 Replies
435 Views