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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S
How to connect 110V DC to the GPIO of the Microcontroller with all EMI-EMC Protection.
Last message by
Reloadron
8
Replies
2K
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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
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crookedspoon
p-channel mosfet heat dissipation
Last message by
cormih
2
22
Replies
6K
Views
Robert Liang
Two-stage Transimpedance Amplifier circuit question.
Last message by
Robert Liang
0
Replies
1K
Views
A
L4 Tach to V6 Tach
Last message by
LowQCab
9
Replies
2K
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D
Output stages using only n-type enhacement transistors
Last message by
dumbinvestor
16
Replies
2K
Views
D
Goal: feed audio from a PC to a circuit that will trigger a relay
Last message by
MisterBill2
2 3
47
Replies
6K
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O
I2C and HDL3000 Series AC/DC Power Supplies
Last message by
ouaburst
2
Replies
2K
Views
FranciscoB
AO3400 N-MOSFET switch not turning off load
Last message by
djsfantasi
2
28
Replies
7K
Views
J
Arduino switching negative supply
Last message by
john4444
3
Replies
1K
Views
M
Noise from mic + amp, even with low pass filter, why?
Last message by
Audioguru again
2 3
55
Replies
6K
Views
Y
Increased treble...?
Last message by
Yabba Rays
19
Replies
3K
Views
E
Mic Preamp reverse engineered - please tell me if any mistakes were made
Last message by
bertus
1
Replies
2K
Views
M
is this 5 band EQ schematic correct?
Last message by
crutschow
2
25
Replies
4K
Views
M
Where to manufacture custom design auto transformer
Last message by
Reloadron
13
Replies
2K
Views
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