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Darlington transistor with LED ..#2

Homework Help 2 days ago at 06:23 AM

Last message by crutschow on February 23, 2024 at 12:58 PM

12 Replies
127 Views
Amplified(?) voltage limiter design (behavior at sagging input voltages)

General Electronics Chat 2 weeks ago at 10:39 AM

Last message by crutschow on February 23, 2024 at 08:52 AM

52 Replies
700 Views
Confused on Diode Readings

General Electronics Chat One day ago at 04:18 PM

Last message by KeithWalker on February 22, 2024 at 07:53 PM

5 Replies
80 Views
Burnt out resistor

Technical Repair One week ago at 11:01 AM

Last message by Squidge75 on February 22, 2024 at 02:01 PM

39 Replies
496 Views
L
Horizon CT 7.0 Motor Control Board Johnson Fitness JDYF02L REVg - Repaired

Technical Repair 3 years ago at 12:06 PM

Last message by LandLine on February 22, 2024 at 11:05 AM

7 Replies
2049 Views
Attempting to understand my battery charger.

Power Electronics 5 days ago at 09:32 AM

Last message by crutschow on February 22, 2024 at 08:45 AM

10 Replies
202 Views
BJT characteristics

General Electronics Chat 2 weeks ago at 02:23 AM

Last message by mawyatt on February 20, 2024 at 08:29 AM

12 Replies
269 Views
Mosfet or OpAmp and Light ?

Automation, Robotics & Control 2 weeks ago at 09:01 PM

Last message by Ya’akov on February 19, 2024 at 07:50 PM

22 Replies
475 Views
How to design H-bridge motor driver circuit using BJT transistors?

General Electronics Chat 4 days ago at 05:07 AM

Last message by crutschow on February 19, 2024 at 08:09 AM

2 Replies
94 Views
Please Help me with the Laser Diode driver Circuit Design

Analog & Mixed-Signal Design 5 days ago at 04:12 AM

Last message by nanji on February 19, 2024 at 07:27 AM

10 Replies
180 Views
As resistance increases, does current noise increase or decrease?

General Electronics Chat 6 days ago at 02:39 PM

Last message by Ian0 on February 18, 2024 at 12:23 AM

3 Replies
109 Views
Low Voltage Drop Common Collector Circuit

PCB Layout , EDA & Simulations 6 days ago at 09:54 AM

Last message by crutschow on February 17, 2024 at 12:21 PM

8 Replies
147 Views
OP Amp Mosfet driver not working

PCB Layout , EDA & Simulations One week ago at 04:53 AM

Last message by LowQCab on February 17, 2024 at 09:26 AM

44 Replies
838 Views
Reducing a 12 V signal to TTL levels via a 2N2222

Sensor Design & Implementation One month ago at 10:50 PM

Last message by MrAl on February 17, 2024 at 04:32 AM

78 Replies
1691 Views
Overvoltage Protection with 2A or more

Digital Design 2 weeks ago at 11:42 AM

Last message by crutschow on February 15, 2024 at 11:36 AM

10 Replies
252 Views
I
400 v dc to +-dc. Rectifier?

Power Electronics One week ago at 06:25 PM

Last message by iamtheone33339 on February 14, 2024 at 05:41 AM

14 Replies
196 Views
D
simple led indicator to show when capacitor is charged

General Electronics Chat One week ago at 12:25 PM

Last message by dave321 on February 13, 2024 at 11:50 AM

8 Replies
184 Views
P
How do active rectifiers block reverse current?

Power Electronics 3 weeks ago at 04:38 PM

Last message by pwrtrnx on February 12, 2024 at 05:20 PM

14 Replies
348 Views
M
Zener diodes in parallel

Power Electronics 2 weeks ago at 03:25 PM

Last message by MisterBill2 on February 12, 2024 at 08:12 AM

11 Replies
290 Views
T
Switching a low side IGBT with a PNP transistor, will this work?

Analog & Mixed-Signal Design 2 weeks ago at 09:40 PM

Last message by Tjaart1 on February 10, 2024 at 03:55 AM

9 Replies
207 Views