JPH0438150U - - Google Patents
Info
- Publication number
- JPH0438150U JPH0438150U JP8050790U JP8050790U JPH0438150U JP H0438150 U JPH0438150 U JP H0438150U JP 8050790 U JP8050790 U JP 8050790U JP 8050790 U JP8050790 U JP 8050790U JP H0438150 U JPH0438150 U JP H0438150U
- Authority
- JP
- Japan
- Prior art keywords
- infrared
- integrated circuit
- external terminal
- input amplifier
- light receiving
- 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
Landscapes
- Noise Elimination (AREA)
- Optical Communication System (AREA)
Description
第１図は本考案の一実施例のブロツク構成図、
第２図は従来装置のブロツク構成図である。
１……受光ＰＩＮフオトダイオード（赤外線受
光素子）、８……赤外線受光用集積回路、８Ａ，
８ｂ……外部端子、９……クリスタルフイルタ（
バンドパスフイルタ）。
FIG. 1 is a block diagram of an embodiment of the present invention.
FIG. 2 is a block diagram of a conventional device. 1... Light receiving PIN photodiode (infrared light receiving element), 8... Integrated circuit for infrared light receiving, 8A,
8b...External terminal, 9...Crystal filter (
bandpass filter).
Claims (1)
外線受光用集積回路の入力増幅器に接続し、この
入力増幅器の後段側に外部端子を設け、この外部
端子に、機械的共振現象を利用した赤外線搬送波
のバンドパスフイルタを、前記集積回路の外部に
おいて接続したことを特徴とする赤外線受光装置
。 An infrared receiving element that photoelectrically converts incident infrared rays is connected to an input amplifier of an integrated circuit for infrared receiving, an external terminal is provided on the downstream side of this input amplifier, and an infrared carrier wave band using mechanical resonance phenomenon is connected to this external terminal. An infrared light receiving device characterized in that a pass filter is connected outside the integrated circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8050790U JPH0438150U (en) | 1990-07-27 | 1990-07-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8050790U JPH0438150U (en) | 1990-07-27 | 1990-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0438150U true JPH0438150U (en) | 1992-03-31 |
Family
ID=31625632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8050790U Pending JPH0438150U (en) | 1990-07-27 | 1990-07-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0438150U (en) |
-
1990
- 1990-07-27 JP JP8050790U patent/JPH0438150U/ja active Pending
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