Description
Printed Circuit Board Project
1、The PCBs sold in the store do not contain any components, and you should prepare them by yourself.
2、To complete this project, high level knowledge of electronics and rich experience in terms of soldering and testing are required.
3、Due to time zone and language communication restrictions, we can only provide limited technical support, and you need to solve problems by yourself.
4、 We do not provide information other than the product introduction page.

MOFI- Hi-END β22 Stereo Headphone Amplifier PCB Project
All-discrete fully-complementary topology, Complete symmetry from input to output.
JFET + BJT+ MOSFET
Three types of transistors used to best exploit their strengths.
Pure class A operation,Every stage operates in class A.
Dynamic cascoding,Every stage is dynamically cascoded.
Moderate global negative feedback.
High speed, wide bandwidth.
Fully direct-coupled,There are no signal-degrading coupling capacitors at the input, output or negative feedback loop.
High PSRR design,The power rails are connected
directly to the output stage MOSFETs.
High power output.
Adjustable bias and output DC offset.
Passive ground, active ground or fully balanced configurations.
PCB SIZE: 99x70x1.6mm 1oz Cu, HASL with lead
Power requirements: Best:±30VDC I=1A
Schematic & key point of debugging
PCB comes with component parameters for easy installation.
We only refer the schematic of the amplification part of the circuit. If you need full circuit parameter, please read the component value with the PCB by yourself; we do not provide additionally.
please keep test point voltage close enough to it, +-20% is also permitted.
Package: 1 pair of PCB board