I have seen plenty of the antennas similar to that in radios, but not in one
that is used in a car which is the topic of the discussion.
Even back in the 1950s when almost all car radios were AM they used an
external whip type of antenna.
On Thu, 28 Jan 2016 10:05:10 -0500, "Ralph Mowery"
...And the radio will not work without it so there is no "built in "
loop. Truth be told, AM will work with just about anything for an
antenna if you are anywhere near the station but you need something.
I have not looked at any of the newer car radios, but I bet they do not have
a loop type like that pix in them any more as they are most likely
synsitised and use a crystal and digital circuits for tuning.
Those old loops ere not only for signal pickup, but part of the tuned
circuits for the AM radios.
Yes, for AM almost anything will receive the signasl of the stronger local
That is why many of the home and pocket AM receivers did not have an
They just used the loop inside them that was also the tuned circuit to tune
in the stations.
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