/diy/ - Do It Yourself

>>1526622
I'll be using 74HC14s, I assume there's nothing wrong with that? I want to be able to switch between two crystals, but leaving a crystal floating while I switch the other into that circuit isn't a very good idea, and grounding the other one sounds like an even worse idea, so I'm guessing I need to make two seperate oscillator circuits and switch between the two.

Since I only have 2 inverters left for this, I can't decide how to wire it up. Perhaps switch the two on/off alternately by pulling the inverters' inputs to ground and then combining the outputs with a transistor-resistor-logic AND/NAND gate? I have some 2N5109 RF NPNs that should work for this. I could pull the input high and use an RTL NOR instead, but either way I'd be using a 2-transistor gate. Whether I should use a transistor or switch directly for the first action is also a question worth considering.

>>1526631
I already have all the parts I need, so if the inverter method will work without any issues I'll use it. I'm also using a 74HC04 in the same circuit so I can swap that first one out for a non-Schmitt if I have to, but if I'm swapping between each one by grounding the input of the one not in use it shouldn't prove to be a problem.