mstechca
New Member
I managed to roll my own PLL detector using 1 555 timers as the local oscillator, a D flip-flop from a CD4013 IC, an XOR gate from a CD4077 IC, and a NAND gate from a 74C00 IC.
As you can see, I have 3 unused NAND gates, 3 unused XOR gates, and 1 unused flip-flop. I want to be able to compress the circuit more, and be able to knock off something without me buying that 567 PLL chip, because bus service over the holidays is very limited, and I will have to wait another two weeks!
so instead of me twiddling my thumbs, I want to arrive at a solution.
I want to at least knock off one IC, and still come up with a PLL detector.
I think the easiest way is to somehow make a 555 as a flip-flop, and knock off the CD4013 IC. at least then I save 1/2 an IC.
Unless there is a better solution (besides buying new analog IC's), I will research.
I used the title because I might be able to use an IC that was supposed to be used for a different purpose.
As you can see, I have 3 unused NAND gates, 3 unused XOR gates, and 1 unused flip-flop. I want to be able to compress the circuit more, and be able to knock off something without me buying that 567 PLL chip, because bus service over the holidays is very limited, and I will have to wait another two weeks!
so instead of me twiddling my thumbs, I want to arrive at a solution.
I want to at least knock off one IC, and still come up with a PLL detector.
I think the easiest way is to somehow make a 555 as a flip-flop, and knock off the CD4013 IC. at least then I save 1/2 an IC.
Unless there is a better solution (besides buying new analog IC's), I will research.
I used the title because I might be able to use an IC that was supposed to be used for a different purpose.