JPS6268317U - - Google Patents
Info
- Publication number
- JPS6268317U JPS6268317U JP1985160202U JP16020285U JPS6268317U JP S6268317 U JPS6268317 U JP S6268317U JP 1985160202 U JP1985160202 U JP 1985160202U JP 16020285 U JP16020285 U JP 16020285U JP S6268317 U JPS6268317 U JP S6268317U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- power amplifier
- circuit
- outputs
- detection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Transmitters (AREA)
Description
第１図は、本考案の電力増幅器の故障検出回路
の一実施例のブロツク図、第２図は、従来の電力
増幅器の故障検出回路のブロツク図である。
１…ＲＦ入力端子、２…ＲＦ出力端子、３…電
力増幅回路、４…検波回路、５…増幅回路、６…
バイアス回路、９…バイアス電圧、１０…検波電
圧、１１…制御電圧、１２…基準電圧、１４…加
算回路、１５…加算基準電圧。
FIG. 1 is a block diagram of an embodiment of a failure detection circuit for a power amplifier according to the present invention, and FIG. 2 is a block diagram of a conventional failure detection circuit for a power amplifier. 1... RF input terminal, 2... RF output terminal, 3... power amplifier circuit, 4... detection circuit, 5... amplifier circuit, 6...
Bias circuit, 9... Bias voltage, 10... Detection voltage, 11... Control voltage, 12... Reference voltage, 14... Addition circuit, 15... Addition reference voltage.
Claims (1)
イアス電圧が与えられ前記電力増幅回路の出力を
入力し出力信号を出力する検波回路と、この検波
回路の検波電圧と制御電圧を入力し前記出力信号
の電力がこの制御電圧に応じた大きさになるよう
に前記電力増幅回路の利得を制御する利得制御手
段と、前記制御電圧を分圧した電圧と前記バイア
ス電圧とその加算電圧と前記検波電圧を比較して
送信中または送信断を示す信号を出力するコンパ
レータとを含むことを特徴とする電力増幅器の故
障検出回路。 a power amplifier circuit that amplifies an input signal; a detection circuit that is supplied with a constant bias voltage, inputs the output of the power amplifier circuit, and outputs an output signal; and a detector circuit that inputs the detection voltage and control voltage of this detector circuit and outputs the output signal gain control means for controlling the gain of the power amplifier circuit so that the power of the power amplifier has a magnitude corresponding to the control voltage; a voltage obtained by dividing the control voltage, the bias voltage, the added voltage thereof, and the detection voltage; A power amplifier failure detection circuit comprising: a comparator that compares and outputs a signal indicating that transmission is in progress or transmission is interrupted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985160202U JPH046257Y2 (en) | 1985-10-18 | 1985-10-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985160202U JPH046257Y2 (en) | 1985-10-18 | 1985-10-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6268317U true JPS6268317U (en) | 1987-04-28 |
| JPH046257Y2 JPH046257Y2 (en) | 1992-02-20 |
Family
ID=31085360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985160202U Expired JPH046257Y2 (en) | 1985-10-18 | 1985-10-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH046257Y2 (en) |
-
1985
- 1985-10-18 JP JP1985160202U patent/JPH046257Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH046257Y2 (en) | 1992-02-20 |