There is another family of transistors which have analogous circuit configurations ... You’d use a FET if you needed a high-impedance audio preamp or a low-noise RF amplifier, and FETs are ...
The HiFiMAN SERENADE Wireless DAC/Headphone Amplifier offers lossless streaming over Wi-Fi for $200 less than its predecessor ...
The schematic above shows the P-FET on the high side of the circuit. The gate is hooked to ground, allowing current to move across the DS junction when the battery is connected. This design also ...