All Questions
Tagged with transceiver pcb-design
5
questions
2
votes
1
answer
843
views
Do P/N matter for Diff Pair Clock Inputs to FPGA?
I have noticed on a schematic for an FMC card that the differential pairs of a differential LVDS oscillator do not match the corresponding FPGA transceiver reference clock pins. I.e. the P/N are ...
- 141
0
votes
2
answers
393
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Rogue resistance between Vout and GND in LDO circuit
I'm currently developing a circuit as seen here:.
I had some suggestions to check my Iout to ensure that I wasn't drawing so much current that I was causing an overheat. After a little checking I ...
- 3
0
votes
4
answers
403
views
Voltage Regulator Overheating
I'm currently designing a simple PCB that uses a MAX3221 to send/receive RS232 over an ethernet cable along with an optional 1-wire thermocouple reading (The thermocouple breakout can be soldered in ...
- 3
0
votes
1
answer
189
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RS-232 to RS-485 transceiver
I'm new in communication protocols and ICs. I would like to know if it is possible to connect a RS-232 (TX, RX and GND) to a RS-485 (Vcc, A, B and GND). I only need a half-duplex communication. The ...
0
votes
3
answers
909
views
Why would a 74LS14 be used to enable another IC?
As a learning experience, I am studying a 64K 80 COLUMN expansion card for the Apple IIe. The model number is ...
- 1,208