JPS6247232U - - Google Patents
Info
- Publication number
- JPS6247232U JPS6247232U JP13793685U JP13793685U JPS6247232U JP S6247232 U JPS6247232 U JP S6247232U JP 13793685 U JP13793685 U JP 13793685U JP 13793685 U JP13793685 U JP 13793685U JP S6247232 U JPS6247232 U JP S6247232U
- Authority
- JP
- Japan
- Prior art keywords
- input terminal
- operational amplifier
- amplifier circuit
- voltage source
- circuit
- 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
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Manipulation Of Pulses (AREA)
- Amplifiers (AREA)
Description
第１図はこの考案実施例の比較回路の回路図、
第２図ａ，ｂはこの考案実施例の比較回路の動作
を説明する電圧図、第３図はこの考案を適用した
リーダーテープ部検出回路図、第４図は従来の比
較回路の回路図、第５図ａ，ｂは従来の比較回路
の動作を説明する電圧図である。
１は演算増幅回路、２は信号入力端子、４ａは
抵抗、前記他方の入力端と接地間に接続された４
ｂはコンデンサー、４は充放電回路、５は直流電
圧源である。
FIG. 1 is a circuit diagram of a comparison circuit according to an embodiment of this invention.
Figures 2a and b are voltage diagrams explaining the operation of the comparator circuit according to the embodiment of this invention, Figure 3 is a leader tape detection circuit diagram to which this invention is applied, and Figure 4 is a circuit diagram of a conventional comparison circuit. FIGS. 5a and 5b are voltage diagrams illustrating the operation of a conventional comparator circuit. 1 is an operational amplifier circuit, 2 is a signal input terminal, 4a is a resistor, and 4 is connected between the other input terminal and ground.
b is a capacitor, 4 is a charging/discharging circuit, and 5 is a DC voltage source.
Claims (1)
の入力端に接続された信号入力端子２と、前記演
算増幅回路１の他方の入力端とＢ電圧源間に接続
された抵抗４ａと前記他方の入力端と接地間に接
続されたコンデンサー４ｂよりなる充放電回路４
と、前記信号入力端子２と前記他方の入力端間に
接続された直流電圧源５を具備することを特徴と
する比較回路。 an operational amplifier circuit 1; a signal input terminal 2 connected to one input terminal of the operational amplifier circuit 1; a resistor 4a connected between the other input terminal of the operational amplifier circuit 1 and voltage source B; A charging/discharging circuit 4 consisting of a capacitor 4b connected between the input terminal of the
and a DC voltage source 5 connected between the signal input terminal 2 and the other input terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13793685U JPS6247232U (en) | 1985-09-09 | 1985-09-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13793685U JPS6247232U (en) | 1985-09-09 | 1985-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6247232U true JPS6247232U (en) | 1987-03-23 |
Family
ID=31042454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13793685U Pending JPS6247232U (en) | 1985-09-09 | 1985-09-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6247232U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5743300A (en) * | 1980-08-28 | 1982-03-11 | Fujitsu Ltd | Comparing circuit |
-
1985
- 1985-09-09 JP JP13793685U patent/JPS6247232U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5743300A (en) * | 1980-08-28 | 1982-03-11 | Fujitsu Ltd | Comparing circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6247232U (en) | ||
| JPS62133496U (en) | ||
| JPS6261551U (en) | ||
| JPS6293831U (en) | ||
| JPS59125736U (en) | signal detection circuit | |
| JPS62112900U (en) | ||
| JPS6257423U (en) | ||
| JPS628726U (en) | ||
| JPS60169800U (en) | Sample/hold circuit | |
| JPS61108978U (en) | ||
| JPH01141470U (en) | ||
| JPS59179382U (en) | slope detector | |
| JPS58138413U (en) | Voltage/current control circuit | |
| JPS6237449U (en) | ||
| JPS63144740U (en) | ||
| JPH0262819U (en) | ||
| JPS6381515U (en) | ||
| JPS58158380U (en) | Ultrasonic moving object detector | |
| JPS6217273U (en) | ||
| JPH02128417U (en) | ||
| JPS6333471U (en) | ||
| JPS5933316U (en) | amplifier circuit | |
| JPS58153587U (en) | Control circuit of inverter device | |
| JPS6178421U (en) | ||
| JPS60187916U (en) | reference voltage generator |