JPS6399408U - - Google Patents
Info
- Publication number
- JPS6399408U JPS6399408U JP19477386U JP19477386U JPS6399408U JP S6399408 U JPS6399408 U JP S6399408U JP 19477386 U JP19477386 U JP 19477386U JP 19477386 U JP19477386 U JP 19477386U JP S6399408 U JPS6399408 U JP S6399408U
- Authority
- JP
- Japan
- Prior art keywords
- oscillation frequency
- conductive pattern
- capacitor
- variable
- oscillation
- 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
- 230000010355 oscillation Effects 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Description
第１図は本考案の一実施例を示す図、第２図は
第１図の等価回路図である。第３図は従来例を示
す図である。
２２…可変コイル（調整用可変コイル）、２０
…発振周波数調整回路、３０…コンデンサ、４０
…スイツチ（スイツチ手段）、３２，３４，３６
，４２，４６…導電パターン（配線用導電パター
ン）、４２…プリント基板、３６…一方の導電パ
ターン、４６…他方の導電パターン、４８…容量
素子（可変容量コンデンサ）、４４…金属棒（周
波数調整用金属）。
FIG. 1 is a diagram showing an embodiment of the present invention, and FIG. 2 is an equivalent circuit diagram of FIG. 1. FIG. 3 is a diagram showing a conventional example. 22... Variable coil (variable coil for adjustment), 20
...Oscillation frequency adjustment circuit, 30...Capacitor, 40
...Switch (switch means), 32, 34, 36
, 42, 46... Conductive pattern (conductive pattern for wiring), 42... Printed circuit board, 36... One conductive pattern, 46... Other conductive pattern, 48... Capacitive element (variable capacitor), 44... Metal rod (frequency adjustment metal).
Claims (1)
調整用可変コイルを備えた発振周波数調整回路と
、 発振周波数を第２発振周波数に可変するために
前記発振周波数回路にコンデンサを挿入するため
のスイツチ手段と、 前記発振周波数調整回路、前記コンデンサ、前
記スイツチ手段及び配線用導電パターンが配され
たプリント基板とを、 備える可変周波数発振装置に於いて、 前記コンデンサの一方の導電パターンに電気的
に接続されると共に、前記コンデンサの他方の導
電パターンに近接して配されて容量素子として作
用する発振周波数調整用金属を、 備えることを特徴とする可変周波数発振装置。[Claims for Utility Model Registration] An oscillation frequency adjustment circuit equipped with a variable adjustment coil for adjusting the oscillation frequency to a first oscillation frequency; A variable frequency oscillation device comprising: a switch means for inserting a capacitor; and a printed circuit board on which the oscillation frequency adjustment circuit, the capacitor, the switch means, and a conductive pattern for wiring are arranged; A variable frequency oscillator comprising: an oscillation frequency adjusting metal that is electrically connected to the conductive pattern and is disposed close to the other conductive pattern of the capacitor and acts as a capacitive element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19477386U JPS6399408U (en) | 1986-12-18 | 1986-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19477386U JPS6399408U (en) | 1986-12-18 | 1986-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6399408U true JPS6399408U (en) | 1988-06-28 |
Family
ID=31152055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19477386U Pending JPS6399408U (en) | 1986-12-18 | 1986-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6399408U (en) |
-
1986
- 1986-12-18 JP JP19477386U patent/JPS6399408U/ja active Pending