JPH0448711U - - Google Patents
Info
- Publication number
- JPH0448711U JPH0448711U JP8949190U JP8949190U JPH0448711U JP H0448711 U JPH0448711 U JP H0448711U JP 8949190 U JP8949190 U JP 8949190U JP 8949190 U JP8949190 U JP 8949190U JP H0448711 U JPH0448711 U JP H0448711U
- Authority
- JP
- Japan
- Prior art keywords
- diode
- shf
- detecting
- circuit
- signal
- 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 6
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Details Of Television Systems (AREA)
- Circuits Of Receivers In General (AREA)
Description
第１図は本考案の全体構成を示す回路図、第２
図はＳＨＦ ＡＭ信号波形、第３図は従来の検波
回路で出力されるＤＣ信号を示す図、第４図は本
考案の回路により得られるＤＣ信号を示す図、第
５図は従来のＳＨＦ検波回路図である。
３……ＳＨＦ検波ダイオード、４……ＶＨＦ〜
ＵＨＦ検波ダイオード、６……充放電回路用キヤ
パシタ、７……充放電回路用抵抗。
Figure 1 is a circuit diagram showing the overall configuration of the present invention;
The figure shows the SHF AM signal waveform, Figure 3 shows the DC signal output by the conventional detection circuit, Figure 4 shows the DC signal obtained by the circuit of the present invention, and Figure 5 shows the conventional SHF detection circuit. It is a circuit diagram. 3...SHF detection diode, 4...VHF~
UHF detection diode, 6... Capacitor for charge/discharge circuit, 7... Resistor for charge/discharge circuit.
Claims (1)
て、上記信号を検波できる第１のダイオードと、
該第１のダイオードの負荷インピーダンスを高め
、かつピーク検波を行うための第２のダイオード
を直列に接続したことを特徴とするＳＨＦ検波回
路。 In a circuit for detecting an amplitude modulated signal in the SHF band, a first diode capable of detecting the signal;
An SHF detection circuit characterized in that a second diode is connected in series to increase the load impedance of the first diode and to perform peak detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8949190U JPH0448711U (en) | 1990-08-29 | 1990-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8949190U JPH0448711U (en) | 1990-08-29 | 1990-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0448711U true JPH0448711U (en) | 1992-04-24 |
Family
ID=31823509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8949190U Pending JPH0448711U (en) | 1990-08-29 | 1990-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0448711U (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61193077A (en) * | 1985-02-22 | 1986-08-27 | Nec Corp | Pilot detecting circuit |
| JPS62241406A (en) * | 1986-04-14 | 1987-10-22 | Hitachi Ltd | Level detecting circuit |
| JPS6341915B2 (en) * | 1977-07-21 | 1988-08-19 | Toyama Chemical Co Ltd | |
| JPH01318411A (en) * | 1988-06-20 | 1989-12-22 | Nec Corp | High frequency wave detector |
-
1990
- 1990-08-29 JP JP8949190U patent/JPH0448711U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6341915B2 (en) * | 1977-07-21 | 1988-08-19 | Toyama Chemical Co Ltd | |
| JPS61193077A (en) * | 1985-02-22 | 1986-08-27 | Nec Corp | Pilot detecting circuit |
| JPS62241406A (en) * | 1986-04-14 | 1987-10-22 | Hitachi Ltd | Level detecting circuit |
| JPH01318411A (en) * | 1988-06-20 | 1989-12-22 | Nec Corp | High frequency wave detector |