JohnG300c
Advanced Member level 4
pcb decoupling
Hi,
I'm doing a board with a Cyclone II and i will need to choose decoupling capacitors for it. I'm planning to use FR4 with a power and GND plane. After a fair bit of study it seems like i should use 0.1uF, 0.01uF and 0.001uF low ESL/ESR capacitors. The price of these capacitors widly differ; the AVX caps seems perfectly suited for the job but they are outrageously expensive $2.50 each (!). Pepper the board with these and the design will be expensive...
Can anyone give examples of good decoupling caps which are more price effective?
My FPGA has two 16-bit buses and one 8-bit bus (all point-to-point signals).
Thanks,
/John.
Hi,
I'm doing a board with a Cyclone II and i will need to choose decoupling capacitors for it. I'm planning to use FR4 with a power and GND plane. After a fair bit of study it seems like i should use 0.1uF, 0.01uF and 0.001uF low ESL/ESR capacitors. The price of these capacitors widly differ; the AVX caps seems perfectly suited for the job but they are outrageously expensive $2.50 each (!). Pepper the board with these and the design will be expensive...
Can anyone give examples of good decoupling caps which are more price effective?
My FPGA has two 16-bit buses and one 8-bit bus (all point-to-point signals).
Thanks,
/John.