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Индикатор поля на 2,45 GHz
2.45GHz RF Signal Detector
designed by David Johnson, P.E.
This
passive RF indicator hobby circuit is made from a few simple parts. A
bent piece of wire forms a 2.5GHz antenna. A 100uA moving coil meter is
used to display the relative intensity of the RF signal. Two microwave
rated detector diodes form a simple voltage doubler circuit, which
feeds a DC voltage to the meter movement, proportional to the RF field
strength. This circuit can be used with some cell phones and many
cordless telephones. It can also detect RF leaking from a microwave
oven.
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| Категория: СХЕМЫ | Добавил: tehnomir (01.08.2011)
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