tinySA Ultra+ ZS-407 Teardown Pictures, Compared with the ZS-405
A couple of years ago, I did a review and teardown of a tinySA Ultra spectrum analyzer. That tinySA Ultra […]
OOK/FSK Modulation Using PE42420 RF Switch
I recently bought a few Peregrine Semiconductor‘s PE42420 RF Switch evaluation boards on eBay. The PE42420 is an absorptive SPDT […]
How to Drive a Latching Relay
Latching relay (a.k.a. impulse relay) can be turned on and off by momentarily applying a voltage across the relay coil. […]