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How to Calculate Power Efficiency of an Amplifier in LTSpice

Power Electronics 26 minutes ago at 03:17 AM

Last message by specs365 on June 1, 2020 at 03:17 AM

0 Replies
5 Views
0 Replies
7 Views
Need Advice on Building Rope Cutter using specific items

General Electronics Chat About 10 hours ago at 05:55 PM

Last message by Janis59 on June 1, 2020 at 01:35 AM

17 Replies
116 Views
LM317 - LM338, big voltage drop under load

Power Electronics One day ago at 01:25 PM

Last message by SamR on May 31, 2020 at 04:16 PM

18 Replies
218 Views
Battery charger circuit design

Power Electronics About 2 days ago at 04:12 AM

Last message by sparky 1 on May 31, 2020 at 01:56 PM

11 Replies
141 Views
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12V automotive into 9leds with CCdriver

Power Electronics 4 months ago at 11:13 AM

Last message by MisterBill2 on May 31, 2020 at 11:23 AM

51 Replies
928 Views
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Power supply LM317

Power Electronics 4 days ago at 03:24 PM

Last message by MisterBill2 on May 31, 2020 at 11:18 AM

16 Replies
257 Views
I need 130 dB sound pressure

General Electronics Chat One day ago at 01:24 PM

Last message by bertus on May 31, 2020 at 10:53 AM

6 Replies
161 Views
2 Replies
90 Views
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Help with circuit design for two devices

General Electronics Chat 3 days ago at 06:15 PM

Last message by MisterBill2 on May 31, 2020 at 06:55 AM

20 Replies
273 Views
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Need Help on a PCB for a Lincoln Power Mig 180C

Technical Repair 2 weeks ago at 12:12 AM

Last message by jpanhalt on May 31, 2020 at 03:44 AM

16 Replies
201 Views
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Li-On cell slow charger.

General Electronics Chat One day ago at 06:00 AM

Last message by SGuil on May 30, 2020 at 08:17 AM

2 Replies
46 Views
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Freq counter Mini - ebay-amazon model

Test & Measurement 4 days ago at 07:33 PM

Last message by DarthVolta on May 30, 2020 at 04:23 AM

4 Replies
185 Views
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how can solve 'LM7805 heat problem with Relay'

Power Electronics 5 days ago at 06:56 AM

Last message by jeffl_2 on May 29, 2020 at 03:51 PM

34 Replies
664 Views
An AT89LP51ED2/RD2/ID2 device programmer

Microcontrollers 2 years ago at 03:36 PM

Last message by Ian Rogers on May 29, 2020 at 01:43 PM

14 Replies
1530 Views
Brand new 300W inverter can't support 100w load.

Technical Repair One week ago at 10:17 AM

Last message by Davizuco on May 29, 2020 at 11:47 AM

15 Replies
615 Views
6 Replies
215 Views
0 Replies
45 Views
20 Replies
198 Views