Other Parts Discussed in Thread: LM317M, SN74121
Hi,
I was passed along the circuit in the attached file. It uses the CD74HC73, SN74121N, DCP010512DBP and LM317M. The purpose of the circuit is to take an input 5V 50kHz signal and output a 25kHz signal with the ability to change the amplitude of the output signal as well as temporally shift the output (via two potentiometers). We have been having some issues with the stability of the circuit over time and would like to be able to either simulate it using spice models OR identify alternative circuit designs/components that can be used to determine if the circuit itself has some inherent issues or it was just some quality issues from our end that caused it to not work as well.
If someone could review the current design that would be helpful. Any help with identifying other possible solutions to meet our requirements would also be welcome.
Thank youoviyat (1).pdf