This 1965 Philips circuit uses old company transistors like the BFY51 and BFY50. The circuit is powered by 12 V and the power gain is 8.9 dB.
The operating range of this circuit is 10 kHz 30 MHz. Equivalent transistors can be used. The...
The very high-input impedance of the CMOS gate allows this kind of device to be used as a...
The indicator instrument of this transistor tester, from an Argentine publication of the 1970s,...