Pulse width modulation power amplifier of integrated thick film circuit

• Main Authors: XIE HAIBAO, XIAO JUN, ZHUANG YONGKANG, YAO LIANG
• Format: Patent
• Language: Chinese; English
• Published: 18.12.2020
• Subjects: AMPLIFIERS; BASIC ELECTRONIC CIRCUITRY; ELECTRICITY; PULSE TECHNIQUE

The utility model discloses a pulse width modulation power amplifier of an integrated thick film circuit, which particularly relates to the technical field of power amplifiers and comprises a shell, aceramic plate installed through screws is arranged in the shell, and the thick film circuit and the power amplifier are installed on the ceramic plate. A layer of slurry film covers the surfaces of the ceramic plate, the thick film circuit and the power amplifier, a circle of isolation baffle fixed to the surface of the ceramic plate is arranged on the outer side of the thick film circuit and theouter side of the power amplifier, a gap is reserved between the ceramic plate and the bottom of the shell, and a heat conduction mechanism is arranged in the gap. According to the utility model, thepower amplifier and the thick-film circuit can effectively conduct heat generated by the power amplifier and the thick-film circuit while increasing the power, and effective protection is provided when the difference between a