Questions tagged [multiple]

5 questions
2
votes
1 answer

Trace impedance with different ground reference planes

I have a PCB board stackup that includes ground pour layers adjacent to a controlled-impedance signal layer. However, the ground planes are not the same reference plane - one is an analog ground plane (l2) and the other is a digital ground plane…
BrianB
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1
vote
1 answer

24 V input, three 5 V outputs DC-DC buck converter design

I would like to make a DC-DC buck converter which has 24 V input and three 5 V outputs, but a typical buck converter circuits have only one output. How to change it to three outputs without an extra chip? Is it even possible?
hfsrg
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1
vote
1 answer

Switching between two frequency BWs at the transmitter

Trying to transmit (and succeeding) in the ISM BWs at 315 and 433 MHz using a 3.3V radio transmitter IC + PCB trace antenna. Current setup: separate boards for each one of the two ISM BWs; the antenna is adapted by a different set of capacitors to…
kellogs
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0
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2 answers

Testing output with LEDs

First of all, I'm new to designing circuits so bear with me. I'm looking to create LED test devices that will light up when they see an output from a 24 Vdc supply. I would want to be able to connect 1, or up to 10 devices. And these devices would…
Mark
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0 answers

ESP32-S3 BLE multiple servers connect to one client at a time

I am working with ESP32-S3 module on Arduino IDE.I need to connect to multiple BLE servers to one client and able send and receive data from client to all servers at a time. I tried connecting multiple servers to client but they are not connecting…
Sireesha
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