Now THIS is an OPAMP!


Now THIS is an OPAMP!

Join 7,000+ makers on Adafruit’s Discord channels and be part of the community! http://adafru.it/discord

CircuitPython in 2018 – Python on Microcontrollers is here!

Have an amazing project to share? Join the SHOW-AND-TELL every Wednesday night at 7:30pm ET on Google+ Hangouts.

Join us every Wednesday night at 8pm ET for Ask an Engineer!

Follow Adafruit on Instagram for top secret new products, behinds the scenes and more https://www.instagram.com/adafruit/

Maker Business — American startups are having an increasingly smaller share of the market

Wearables — Switch the advantage

Electronics — Don’t float!

Biohacking — Optimizing the Warm Up

Python for Microcontrollers — CircuitPython 3.0.0 released!

Get the only spam-free daily newsletter about wearables, running a "maker business", electronic tips and more! Subscribe at AdafruitDaily.com !


  1. 0_0 (!)

  2. Here is the data sheet for the part for all that are interested. http://www.philbrickarchive.org/pp55a.htm

  3. THis is one I have not seen before.. cool


  4. The Philbrick OP-AMPS that had two vacuum tubes (valves) sticking out of the top and plugged in were the first modular OP-AMPS and the Burr-Brown OP-AMP in the walnut box was really neat. I have seen pictures, but I don’t have any.

  5. I’ll see your op-amp and raise you an ADC.


    Came out of an ancient radiation field analyzer (along with, among other things, a lifetime supply of reed relays and 20-turn trimpots). Sadly I never found any data on it.

Sorry, the comment form is closed at this time.