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Schematic diagram for a broadband QRP SWR metering circuit and SSB TRANSCEIVER 80M / 40M boster filter IF Radio

A schematic diagram for a broadband QRP SWR metering circuit for use in a QRP antenna tuner. One could simply hold a momentary DPDT switch down and watch the LED while tuning the capacitors of the antenna tuner for minimum or zero light.

Thermostat Schema diagram using lm56

Thermostat Schema diagram using lm56

Low pass filter – Subwoofer Bass treble electronic circuit using LM1035

Low pass filter – Subwoofer Bass treble electronic circuit using LM1035 Parts R1 = 39 Kohm R2 = 39 Kohm R3 = 47 Kohm R4 = 10 Ohm R5 = 22 Kohm R6 = 4,7 Kohm R7 = 22 Kohm R8 = 4,7 Kohm R9 = 10 Ohm R10 = 220 Ohm C1 = 39 […]

Portable generator circuit

Portable generator circuit using 2N2222, 2SA733 Portable generator circuit using 2N2222, 2SA733

Is it possible to create an “all-penetrating EYEBEAM”?

SorrY asked: just by looking at an object and querying a database it produces a list of attributes of that object in your “inside window” of the eye – that is an artificial eye transplant that associates existing attributes with defined custom attributes that you can add and delete over time – for example if […]

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