June 2024
Intermediate to advanced
280 pages
11h 5m
English
Content preview from Make: Radio
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DIRECT-
CONVERSION
RECEIVER
Experiment
12
MakeRadioBook_interior_FIN.indd 190MakeRadioBook_interior_FIN.indd 190 5/30/24 2:27 PM5/30/24 2:27 PM
I
n the previous experiment, you saw how a
mixer circuit can create an audible frequency
from two high frequencies when they interact.
In this experiment, you will use capacitors and
an inductor to build a tunable oscillator that
creates its own high-frequency signal in the
radio spectrum. When a radio signal of a similar
frequency comes in through an antenna, the two
frequencies mix to create an audible ou ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.