JPS6183317U

JPS6183317U -

Info

Publication number: JPS6183317U
Application number: JP16813484U
Authority: JP
Priority date: 1984-11-06
Filing date: 1984-11-06
Publication date: 1986-06-02
Also published as: JPH0418247Y2

Description

[Brief explanation of drawings]

第１図は本考案の増幅装置の構成を示す図、第
２図および第３図は従来の増幅装置の構成を示す
図である。１は電力増幅器、２ａは電圧増幅部、２ｂは電
力増幅部、３は正側の出力端子、４は負側の出力
端子、５は帰還回路、６は電源トランス、７は整
流回路、８，９は第１、第２の平滑コンデンサ、
１０は電源トランスの中間端子、１１は第１、第
２の平滑コンデンサの接続点、１２は直流電源回
路、１３，１４は電源供給端子、１５は負荷、１
６は増幅器、１７は位相反転回路、１８，１９は
第１、第２の帰還ループの配線部、２０，２１は
第１、第２の導線である。 FIG. 1 is a diagram showing the configuration of an amplifying device according to the present invention, and FIGS. 2 and 3 are diagrams showing the configuration of a conventional amplifying device. 1 is a power amplifier, 2a is a voltage amplification section, 2b is a power amplification section, 3 is a positive output terminal, 4 is a negative output terminal, 5 is a feedback circuit, 6 is a power transformer, 7 is a rectifier circuit, 8, 9 are first and second smoothing capacitors;
10 is an intermediate terminal of a power transformer, 11 is a connection point between the first and second smoothing capacitors, 12 is a DC power supply circuit, 13 and 14 are power supply terminals, 15 is a load, 1
6 is an amplifier, 17 is a phase inversion circuit, 18 and 19 are wiring sections for the first and second feedback loops, and 20 and 21 are first and second conductive wires.

Claims

[Scope of utility model registration request]

The voltage amplification section 2a, the power amplification section 2b, and the outputs of the power amplification section 2b are taken out from the positive output terminal 3, and a negative feedback loop is connected to the input side of the voltage amplification section 2a via the feedback circuit 5. The DC power supply circuit 12 includes the power amplifier 1 and a power transformer 6, a rectifier circuit 7, and first and second smoothing capacitors 8, 9 on the positive side and negative side connected to the rectifier circuit 7. Then, the positive terminals 8a and negative terminals 9b of the first and second smoothing capacitors 8 and 9 of the DC power supply circuit 12 are connected to the power supply terminals 13 and 14 of the power amplifier 1, respectively, and the first and second The connection point 11 of the smoothing capacitors 8 and 9 is connected to the negative output terminal 4 of the power amplifier 1, and the load 1 is connected to the positive and negative output terminals 3 and 4.
5 is connected to the power amplifier 1, and the parasitic signal component generated at the negative side output terminal 4 of the power amplifier 1 or the connection point 11 of the first and second smoothing capacitors 8 and 9 is connected to the power amplifier 1. voltage amplification section 2
a. In an amplifier device forming a second feedback loop that provides positive feedback with a gain of "1" to the positive output terminal 3 via the power amplifier 2b, the positive output terminal 3 of the power amplifier 1 and the negative output terminal 3 of the power amplifier 1 are connected. Output terminal 4 or the first
At the connection point 11 of the second smoothing capacitors 8 and 9, the first
, the second conductive wires 20 and 21 are connected, respectively, and the first and second conductive wires 20 and 21 are twisted together to form the wiring section 1 of the first feedback loop and the second feedback loop.
8.19.