Digital Design

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Digital circuit and logic questions (ie. Logic, Gates, I2C, USB, 555 Timer, etc.)
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R
Selecting a DDS / DAC arbitrary function generator IC for audio application
Last message by
jwet
2
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2K
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Antony 16171
Have i done this right Bndpass filter ?
Last message by
Papabravo
3
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1K
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Antony 16171
RC Low pass filter Help
Last message by
click_here
5
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1K
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N
CD4047 Retrigger mode
Last message by
natalia.t
4
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2K
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piniiii
input on 555
Last message by
piniiii
17
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2K
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J
Having problems trying to get a high side switch to work 3V switching on 5V
Last message by
jcun4128
18
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2K
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S
Optocoupler(EL817) based Switching Circuit
Last message by
meowsoft
6
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3K
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ElectricSpidey
Modulating PWM into a Shift Register
Last message by
ElectricSpidey
2
26
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4K
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T
Isolated ADC
Last message by
ErnieM
5
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1K
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D
Need 555 timer @ 60Hz to FETs to 1:1 ration transformer 6VAC out
Last message by
Orson_Cart
13
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3K
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IronDuke
TS555 astable multivibrator should oscillate at 200kHz, but only oscillates at 155kHz.
Last message by
IronDuke
2 3
57
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7K
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Zurn
Any pointers on why I'm losing my signal between my uC and my transceiver?
Last message by
Ya’akov
2
37
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4K
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J
Optimizing a circuit
Last message by
ElectricSpidey
10
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2K
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XtaBeat
Looking for a One Shot falling edge triggered with negative pulse IC
Last message by
XtaBeat
18
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5K
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MaxHeadRoom
Texas Inst. Video, data
Last message by
MaxHeadRoom
0
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814
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NOISEBOB
controlling the lenght of a signal using an AND gate and a flip-flop?
Last message by
NOISEBOB
7
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2K
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NOISEBOB
A/B/C truth table control by using the 4017
Last message by
AnalogKid
3
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2K
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ArakelTheDragon
Information on a bluetooth module circuit
Last message by
ArakelTheDragon
6
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1K
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NOISEBOB
pull-up and pull-down doubts and questions....
Last message by
upand_at_them
7
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2K
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Doppler2902
How activate loads with a higher voltage than the digital circuit gives?
Last message by
Papabravo
12
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2K
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