How would I connect digital technology to this old Zenith TV?

[Electronic M]

Originally Posted by dieseljeep

I bought three from a E### site. Called a Mini HDMI2AV. It works rather well. They cost three for $11.00. HDMI in, RCA out. My Spectrum cable box furnishes the 5 volts DC needed for operation.
You need an external modulator for a set that doesn't have A-V jacks, or a VCR.

The one I was talking about is HDMI to RF not AV.
I've had good luck with the HDMI to AV boxes, but not the HDMI to RF.