Analog & Mixed-Signal Design

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Broad spectrum of topics: power management, components (ie. MOSFETs, ADC, DAC, Translators, Amplifiers, etc.)
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Constant Current of 100-600uA over Dynamic 1k-100k load
Last message by
Wendy
11
Replies
2K
Views
Tiago Rocha
LM741 Op Amp not working
Last message by
Audioguru again
2 3
45
Replies
9K
Views
ApacheKid
Bob Widlar
Last message by
crutschow
4
Replies
2K
Views
ApacheKid
Puzzled by opamp behavior
Last message by
SamR
2
31
Replies
3K
Views
Janis59
Absolute dumb question about high impedance op-amps
Last message by
Janis59
7
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2K
Views
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Building solar led street numbers, is this n-P-n right?
Last message by
sghioto
9
Replies
2K
Views
N
Dpdt Switch
Last message by
BobTPH
5
Replies
1K
Views
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Add Gain Stage in Vacuum Tube Guitar Amp - N-Mosfet Source Follower
Last message by
Ian0
15
Replies
2K
Views
SamR
TL071CP MAX Output Current
Last message by
SamR
2 3
41
Replies
5K
Views
S
OPTOcoupler and CD4030 XOR - Not working as planned
Last message by
stillgrowingup
2
20
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3K
Views
F
Large diapham condencer microphone question
Last message by
KeithWalker
1
Replies
1K
Views
Philexium
Sine wave oscillator with TL071 : How to modify the amplitude level ?
Last message by
AnalogKid
2
31
Replies
4K
Views
D
How to make a audio amplifier using D2390 and B1560 transistors
Last message by
MisterBill2
2
32
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12K
Views
S
How to connect 110V DC to the GPIO of the Microcontroller with all EMI-EMC Protection.
Last message by
Reloadron
8
Replies
2K
Views
jacopo1919
Audio signal between digital devices shuts down one of the two devices
Last message by
MisterBill2
2
38
Replies
4K
Views
Orizine
Problem with an electret microphone connect to esp32 with RJ9
Last message by
Audioguru again
1
Replies
2K
Views
Don_Fila
Overheating protection circuit
Last message by
Don_Fila
2
23
Replies
3K
Views
C
Basic amplifier theory not working in practice.
Last message by
MrChips
14
Replies
2K
Views
E
Understanding Canon USM (ultrasonic motor) amplifier circuit
Last message by
Paidabin
12
Replies
4K
Views
SamR
Creating a floating AC ground with DC blocking capacitors
Last message by
ronsimpson
8
Replies
3K
Views
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