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$1 · CRYSTAL RADIO + - TA7642 complete AM radio chip X 2

This circuit provides a complete RF amplifier, Detection and AGC circuit, which requires only a
few external components to give a high quality AM Tuner. Good audio quality can be achieved,
and current consumption is extremely low. No setting up or alignment is required and the circuit
is completely stable in use.The TA7642 has an input impedance of 4Mohms and operates over a frequency range of 150KHz to
3MHz. The IC will run off a DC supply of between 1.1V and 1.8V. A current drain of 0.3mA
makes it suitable for battery operation. The IC provides an output of 40 to 60 mV. This is the latest version with better performance over the MK484 and the original ZN414. Great for beginners in radio and the next step from a crystal radio.

This price is for 2 TA7642 only. more available

NZ Letter post $1.50

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Ad Id17411
CategoryOther Electronics
PostedFebruary 12, 2018
Expiry August 11, 2018
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