JPH0177017U - - Google Patents
Info
- Publication number
- JPH0177017U JPH0177017U JP1987172655U JP17265587U JPH0177017U JP H0177017 U JPH0177017 U JP H0177017U JP 1987172655 U JP1987172655 U JP 1987172655U JP 17265587 U JP17265587 U JP 17265587U JP H0177017 U JPH0177017 U JP H0177017U
- Authority
- JP
- Japan
- Prior art keywords
- diode
- circuit
- detection
- midpoint
- resistors
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Amplifiers (AREA)
- Measurement Of Current Or Voltage (AREA)
Description
第1図は本考案の一実施例のダイオード検波回
路図、第2図は、従来のダイオード検波回路図で
ある。
1,2,3,4,5……抵抗、6……コンデン
サ、8,9,10,11……ダイオード、12,
13……コンデンサ、14……演算増幅器、15
,16,17,18……抵抗、19……トランス
、20……コンデンサ、21……ダイオード、2
2,23……抵抗、24,25……コンデンサ、
26……可変抵抗。
FIG. 1 is a diode detection circuit diagram of an embodiment of the present invention, and FIG. 2 is a conventional diode detection circuit diagram. 1, 2, 3, 4, 5... Resistor, 6... Capacitor, 8, 9, 10, 11... Diode, 12,
13... Capacitor, 14... Operational amplifier, 15
, 16, 17, 18...Resistor, 19...Transformer, 20...Capacitor, 21...Diode, 2
2, 23...Resistor, 24, 25...Capacitor,
26...Variable resistance.
Claims (1)
その両端に抵抗がそれぞれ接続され、前記の抵抗
の一方を介して接地され、さらに一方の抵抗を介
して電源が印加される回路を2組用いて、前記一
方の回路のダイオードのカソードを検波入力とし
、その回路のダイオードの中点を検波出力点とし
て演算増幅器の非反転入力に接続し、さらに一方
の回路のダイオードの中点は基準電圧として前記
演算増幅器の反転入力に接続されたことを特徴と
する検波回路。 Two diodes with the same characteristics are connected in series,
Using two sets of circuits, each of which has a resistor connected to both ends, is grounded through one of the resistors, and is supplied with power through one of the resistors, the cathode of the diode in one of the circuits is used as a detection input. The midpoint of the diode of the circuit is connected as a detection output point to the non-inverting input of the operational amplifier, and the midpoint of the diode of one circuit is connected as a reference voltage to the inverting input of the operational amplifier. Detection circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987172655U JPH0177017U (en) | 1987-11-13 | 1987-11-13 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987172655U JPH0177017U (en) | 1987-11-13 | 1987-11-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0177017U true JPH0177017U (en) | 1989-05-24 |
Family
ID=31464613
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987172655U Pending JPH0177017U (en) | 1987-11-13 | 1987-11-13 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0177017U (en) |
-
1987
- 1987-11-13 JP JP1987172655U patent/JPH0177017U/ja active Pending