JPS63140740U - - Google Patents
Info
- Publication number
- JPS63140740U JPS63140740U JP3182487U JP3182487U JPS63140740U JP S63140740 U JPS63140740 U JP S63140740U JP 3182487 U JP3182487 U JP 3182487U JP 3182487 U JP3182487 U JP 3182487U JP S63140740 U JPS63140740 U JP S63140740U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- power
- amplifier
- output
- detected
- 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 5
- 230000005540 biological transmission Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Transmitters (AREA)
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
Description
第１図は本考案の全体構成を示すブロツク図、
第２図は従来例を示す回路図、第３図は本考案の
一実施例を示す回路図、第４図は温度補償電圧源
の回路図である。
３：電力増幅器、４：電力検出回路、５：ダイ
オード検波回路、６：比較増幅器、７：基準電圧
源、８：温度補償電圧源、１５：スイツチ回路。
Figure 1 is a block diagram showing the overall configuration of the present invention.
FIG. 2 is a circuit diagram showing a conventional example, FIG. 3 is a circuit diagram showing an embodiment of the present invention, and FIG. 4 is a circuit diagram of a temperature compensated voltage source. 3: power amplifier, 4: power detection circuit, 5: diode detection circuit, 6: comparison amplifier, 7: reference voltage source, 8: temperature compensation voltage source, 15: switch circuit.
Claims (1)
電力検出回路と、この回路の検出電力レベルを検
波するダイオード検波回路と、この回路の検波電
圧を基準電圧と比較してその誤差電圧を出力する
比較増幅器と、この比較増幅器の出力を前記電力
増幅器の出力電力制御端子に負帰還する送信電力
制御回路において、前記比較増幅器の比較入力端
子に前記ダイオード検波回路の検波出力の温度特
性と逆方向の温度特性を持つ電圧源を接続したこ
とを特徴とする送信電力制御回路。 A power amplifier, a power detection circuit that detects a portion of this output power, a diode detection circuit that detects the detected power level of this circuit, and a detected voltage of this circuit that is compared with a reference voltage and outputs the error voltage. A comparison amplifier and a transmission power control circuit that negatively feeds back the output of the comparison amplifier to an output power control terminal of the power amplifier, the comparison input terminal of the comparison amplifier has a temperature characteristic opposite to the temperature characteristic of the detected output of the diode detection circuit. A transmission power control circuit characterized by connecting a voltage source with temperature characteristics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3182487U JPH04592Y2 (en) | 1987-03-06 | 1987-03-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3182487U JPH04592Y2 (en) | 1987-03-06 | 1987-03-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63140740U true JPS63140740U (en) | 1988-09-16 |
| JPH04592Y2 JPH04592Y2 (en) | 1992-01-09 |
Family
ID=30837915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3182487U Expired JPH04592Y2 (en) | 1987-03-06 | 1987-03-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04592Y2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0653764A (en) * | 1992-06-05 | 1994-02-25 | Japan Radio Co Ltd | Power controller |
| JP2002525900A (en) * | 1998-09-17 | 2002-08-13 | テレフオンアクチーボラゲット エル エム エリクソン（パブル） | Method and apparatus for preventing saturation of a power amplifier |
| JP2005269351A (en) * | 2004-03-19 | 2005-09-29 | Matsushita Electric Ind Co Ltd | High frequency power amplifier |
| JP2007019582A (en) * | 2005-07-05 | 2007-01-25 | Renesas Technology Corp | High frequency power amplifier and radio communication apparatus |
| JP2011040815A (en) * | 2009-08-06 | 2011-02-24 | Nec Corp | Power sensor circuit, power amplifier, and output voltage control method |
-
1987
- 1987-03-06 JP JP3182487U patent/JPH04592Y2/ja not_active Expired
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0653764A (en) * | 1992-06-05 | 1994-02-25 | Japan Radio Co Ltd | Power controller |
| JP2002525900A (en) * | 1998-09-17 | 2002-08-13 | テレフオンアクチーボラゲット エル エム エリクソン（パブル） | Method and apparatus for preventing saturation of a power amplifier |
| JP2005269351A (en) * | 2004-03-19 | 2005-09-29 | Matsushita Electric Ind Co Ltd | High frequency power amplifier |
| JP4514485B2 (en) * | 2004-03-19 | 2010-07-28 | パナソニック株式会社 | High frequency power amplifier |
| JP2007019582A (en) * | 2005-07-05 | 2007-01-25 | Renesas Technology Corp | High frequency power amplifier and radio communication apparatus |
| JP4632882B2 (en) * | 2005-07-05 | 2011-02-16 | ルネサスエレクトロニクス株式会社 | High frequency power amplifier and wireless communication device |
| JP2011040815A (en) * | 2009-08-06 | 2011-02-24 | Nec Corp | Power sensor circuit, power amplifier, and output voltage control method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04592Y2 (en) | 1992-01-09 |