JPH0392837U - - Google Patents
Info
- Publication number
- JPH0392837U JPH0392837U JP1990001164U JP116490U JPH0392837U JP H0392837 U JPH0392837 U JP H0392837U JP 1990001164 U JP1990001164 U JP 1990001164U JP 116490 U JP116490 U JP 116490U JP H0392837 U JPH0392837 U JP H0392837U
- Authority
- JP
- Japan
- Prior art keywords
- filter
- frequency band
- active
- passive
- active element
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Transceivers (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Description
第１図は本考案の実施例に係る自動車無線機の
要部の回路図である。
１……アンテナ、２……受信機、３……送信機
、４……フイルタ、４ａ……パツシブフイルタ、
４ｂ……アクテイブフイルタ。
FIG. 1 is a circuit diagram of the main parts of an automobile radio according to an embodiment of the present invention. 1...Antenna, 2...Receiver, 3...Transmitter, 4...Filter, 4a...Passive filter,
4b...Active filter.
Claims (1)
タ４ｂを有し、 パツシブフイルタ４ａは、能動素子を含まない
ものであり、かつ、第１のフイルタ周波数帯域を
持つものであり、 アクテイブフイルタ４ｂは、パツシブフイルタ
４ａの後段に接続されており、かつ、能動素子を
含むものであつて、第１のフイルタ周波数帯域と
は異なる第２のフイルタ周波数帯域を持つもので
ある ことを特徴とするフイルタ。[Claims for Utility Model Registration] A passive filter 4a and an active filter 4b are included, the passive filter 4a does not include an active element and has a first filter frequency band, and the active filter 4b includes: A filter that is connected after the passive filter 4a, includes an active element, and has a second filter frequency band different from the first filter frequency band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990001164U JPH0392837U (en) | 1990-01-09 | 1990-01-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990001164U JPH0392837U (en) | 1990-01-09 | 1990-01-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0392837U true JPH0392837U (en) | 1991-09-20 |
Family
ID=31505081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990001164U Pending JPH0392837U (en) | 1990-01-09 | 1990-01-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0392837U (en) |
-
1990
- 1990-01-09 JP JP1990001164U patent/JPH0392837U/ja active Pending