JP5107272B2 - 温度補償回路 - Google Patents
温度補償回路 Download PDFInfo
- Publication number
- JP5107272B2 JP5107272B2 JP2009006737A JP2009006737A JP5107272B2 JP 5107272 B2 JP5107272 B2 JP 5107272B2 JP 2009006737 A JP2009006737 A JP 2009006737A JP 2009006737 A JP2009006737 A JP 2009006737A JP 5107272 B2 JP5107272 B2 JP 5107272B2
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- Prior art keywords
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- transistor
- 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.)
- Expired - Fee Related
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- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 230000007423 decrease Effects 0.000 description 5
- 230000001419 dependent effect Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
- H03F1/302—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in bipolar transistor amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
- H03F3/195—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only in integrated circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
- H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/447—Indexing scheme relating to amplifiers the amplifier being protected to temperature influence
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Amplifiers (AREA)
Description
図1は、第1実施形態の温度補償回路の構成を示す回路図である。図1の温度補償回路は、バイアス回路101と、パワーアンプに相当するトランジスタTrとを備える。
図9は、第2実施形態のバイアス電流生成回路111の構成を示す回路図である。
111 バイアス電流生成回路
121 第1の制御回路
122 第2の制御回路
123 第3の制御回路
131 接続端子
Claims (3)
- 所定温度に到達するまでの低温領域では、絶対温度に比例して増加する電流値を有し、前記所定温度以上の高温領域では、前記絶対温度に比例した電流値よりもさらに増加した電流値を有するバイアス電流を出力するバイアス回路と、
前記バイアス電流が供給される制御端子を有するトランジスタとを備え、
前記バイアス回路は、
絶対温度に対し線形に変化する電流値又は電圧値を有する第1の制御電流又は制御電圧が供給される制御端子を有する第1のトランジスタと、
絶対温度に依存しない電流値又は電圧値を有する第2の制御電流又は制御電圧が供給される制御端子を有する第2のトランジスタと、
絶対温度に対し線形に変化する電流値又は電圧値を有する第3の制御電流又は制御電圧が供給される制御端子を有する第3のトランジスタと、
絶対温度に対し線形に変化する電流値又は電圧値を有する第4の制御電流又は制御電圧が供給される制御端子と、絶対温度に比例して増加する第1の電流が流れる主端子とを有する第4のトランジスタと、
前記第2のトランジスタの主端子に接続された制御端子と、前記第3のトランジスタの主端子に接続された第1の主端子と、第2の主端子とを有する第5のトランジスタと、
前記第1のトランジスタの主端子に接続された制御端子と、前記第3のトランジスタの前記主端子に接続された第1の主端子と、前記低温領域では電流が流れず、前記高温領域では電流が流れる第2の電流が流れる第2の主端子とを有する第6のトランジスタと、
前記第3の制御電流又は制御電圧を前記第3のトランジスタに供給し、前記第2の電流の大きさを調整するための外部抵抗を接続可能な接続端子を有する制御回路とを備え、
前記バイアス回路は、前記第1の電流と前記第2の電流とが加算された第3の電流を生成し、前記バイアス電流として、前記第3の電流又は前記第3の電流に依存した第4の電流を出力することを特徴とする温度補償回路。 - 前記制御回路は、前記第3及び第4の制御電流又は制御電圧をそれぞれ、前記第3及び第4のトランジスタに供給し、
前記第1の電流の大きさと、前記第2の電流の大きさは、前記外部抵抗により調整可能であることを特徴とする請求項1に記載の温度補償回路。 - 前記制御回路は、絶対温度に対し線形に変化する電流値又は電圧値を有する第5の制御電流又は制御電圧を出力し、前記第3のトランジスタに、前記第5の制御電流又は制御電圧に依存した前記第3の制御電流又は制御電圧を供給し、前記第4のトランジスタに、前記第5の制御電流又は制御電圧に依存した前記第4の制御電流又は制御電圧を供給する、ことを特徴とする請求項1又は2に記載の温度補償回路。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009006737A JP5107272B2 (ja) | 2009-01-15 | 2009-01-15 | 温度補償回路 |
US12/686,613 US8212605B2 (en) | 2009-01-15 | 2010-01-13 | Temperature compensation circuit |
US13/403,121 US8427227B2 (en) | 2009-01-15 | 2012-02-23 | Temperature compensation circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009006737A JP5107272B2 (ja) | 2009-01-15 | 2009-01-15 | 温度補償回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010166312A JP2010166312A (ja) | 2010-07-29 |
JP5107272B2 true JP5107272B2 (ja) | 2012-12-26 |
Family
ID=42318617
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009006737A Expired - Fee Related JP5107272B2 (ja) | 2009-01-15 | 2009-01-15 | 温度補償回路 |
Country Status (2)
Country | Link |
---|---|
US (2) | US8212605B2 (ja) |
JP (1) | JP5107272B2 (ja) |
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2009
- 2009-01-15 JP JP2009006737A patent/JP5107272B2/ja not_active Expired - Fee Related
-
2010
- 2010-01-13 US US12/686,613 patent/US8212605B2/en not_active Expired - Fee Related
-
2012
- 2012-02-23 US US13/403,121 patent/US8427227B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US8212605B2 (en) | 2012-07-03 |
JP2010166312A (ja) | 2010-07-29 |
US20120212284A1 (en) | 2012-08-23 |
US20100176869A1 (en) | 2010-07-15 |
US8427227B2 (en) | 2013-04-23 |
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