Cascade circuit of circuit assembly for power amplifier, has feedback element that is connected between drain terminal of secondary transistor and control terminal of primary transistor

Simple SummaryContent extracted from patent full text and abstract with AI.

This patent describes a specialized cascade circuit design for power amplifiers, featuring a unique feedback element configuration. The circuit includes two transistors arranged in a cascade, a block capacitor, and a feedback element connected between the drain of the secondary transistor and the control terminal of the primary transistor. This arrangement aims to improve the performance and stability of the amplifier.

Use CasesContent extracted from patent full text and abstract with AI.

• Power amplification in RF (radio frequency) communications equipment
• Audio power amplifiers for consumer electronics
• Power amplification in industrial or scientific equipment requiring stable, high-output signals
• High-frequency signal amplification in telecommunications devices

BenefitsContent extracted from patent full text and abstract with AI.

• Improved performance and linearity of the power amplifier
• Enhanced stability and reduced distortion due to the feedback mechanism
• Potential for higher output efficiency
• Better control over amplification characteristics, which can lead to improved signal quality

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Patent Abstract

The cascade circuit (100) has primary and secondary transistors (102,104) which are connected to form a cascade structure (106). The cascade structure is connected between the source terminal (102c) and drain terminal (104a) of cascade circuit. A block capacitor (108) is connected between control terminal (104b) of secondary transistor and source terminal of primary transistor. A feedback element (114) is connected between a drain terminal of secondary transistor and control terminal of primary transistor.