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LC Meter based on PIC16F628A
LC Meter's Capacitance Measurement Ranges 0.1pF - 1000pF - 1nF - 900nF
post 21 Oct 2024
Projects_Homebrew Links →
Simple CW keyer elbug
This is a CMOS 4000 series logic based keyer with Dot priority
Simple qrp equipment
These simple circuits and rigs can give you much fun: home brewing, portable activities during holidays
Spiral Top Loading of a Short Vertical
A spiral coil was constructed on a form composed of 69mm OD plastic drain-pipe and 15 plastic radials
St.Tomass Wi-Fi Antenna
Modifica di un'antenna commerciale uso WIFI
Simple field meter
Simple field meter,optional amplifier circuit
168
This is a CMOS 4000 series logic based keyer with Dot priority
These simple circuits and rigs can give you much fun: home brewing, portable activities during holidays
A spiral coil was constructed on a form composed of 69mm OD plastic drain-pipe and 15 plastic radials
Modifica di un'antenna commerciale uso WIFI
Simple field meter,optional amplifier circuit
23cm Yagi Antenna building Finished antenna at 1275 MHz SWR under 1:1.5 at resonant frequency
50 MHz preamp Gain 26dB with the BFG135 Preamps for 144 and 430 MHz, for 50 MHz, the BFG135a is a cheap transistor and in my view rather strong. It is not easily damaged by static discharge or RF power. FG connection
Interface-for-digital-broadcasts-with-integrated-audio 4-port HUB, with a TUSB2046. With port 1 of the HUB we drive the FT232RL; with port 2 the PCM2904, furthermore, we decided to leave ports 3 and 4 free