JPH0429220U - - Google Patents
Info
- Publication number
- JPH0429220U JPH0429220U JP7037390U JP7037390U JPH0429220U JP H0429220 U JPH0429220 U JP H0429220U JP 7037390 U JP7037390 U JP 7037390U JP 7037390 U JP7037390 U JP 7037390U JP H0429220 U JPH0429220 U JP H0429220U
- Authority
- JP
- Japan
- Prior art keywords
- transistors
- circuit
- current source
- current
- 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.)
- Pending
Links
- 238000006243 chemical reaction Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Amplifiers (AREA)
Description
第1図は本考案の実施例の回路図、第2図は従
来例の回路図。
図中、12……基準電圧源、13……比較増幅
器、14〜16,21……電流源、TIN……入
力端子、TOUT……出力端子。
FIG. 1 is a circuit diagram of an embodiment of the present invention, and FIG. 2 is a circuit diagram of a conventional example. In the figure, 12... reference voltage source, 13... comparator amplifier, 14 to 16, 21... current source, TIN... input terminal, TOUT... output terminal.
Claims (1)
圧信号を圧縮する回路と該圧縮された信号を伸長
して電流信号を出力する回路とを有するV/I変
換回路において、前記2つのトランジスタの各出
力端子と2つのトランジスタの共通接繞点との間
に補助トランジスタを接続すると共に、前記2つ
のトランジスタのうち前記電圧信号の入力される
方のトランジスタには第1の電流源を接続し、か
つ前記補助トランジスタ及び他方のトランジスタ
には前記第1の電流源の2倍の電流を供給する第
2の電流源を接繞したことを特徴とするV/I変
換回路。 In a V/I conversion circuit having a circuit that compresses a voltage signal including a differential circuit including two transistors and a circuit that expands the compressed signal and outputs a current signal, each output terminal of the two transistors and a common connection point of the two transistors, and a first current source is connected to the one of the two transistors to which the voltage signal is input; A V/I conversion circuit characterized in that a second current source that supplies a current twice that of the first current source is connected to one transistor and the other transistor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7037390U JPH0429220U (en) | 1990-07-03 | 1990-07-03 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7037390U JPH0429220U (en) | 1990-07-03 | 1990-07-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0429220U true JPH0429220U (en) | 1992-03-09 |
Family
ID=31606477
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7037390U Pending JPH0429220U (en) | 1990-07-03 | 1990-07-03 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0429220U (en) |
-
1990
- 1990-07-03 JP JP7037390U patent/JPH0429220U/ja active Pending