Alternate to PE4312 Digital Step Attenuator

The PE4312 is a 50Ω, 6-bit RF digital step attenuator available for around 2 USD. Pretty neat for implementing real digital AGC!

For half-the-price we can get the alternate Archiwave ARW637 or ARW621A ICs which work very similarly to PE4312!

References:

• https://www.lcsc.com/product-detail/C49842521.html

• https://www.lcsc.com/product-detail/C49842520.html