JPS62125020U - - Google Patents
Info
- Publication number
- JPS62125020U JPS62125020U JP1120786U JP1120786U JPS62125020U JP S62125020 U JPS62125020 U JP S62125020U JP 1120786 U JP1120786 U JP 1120786U JP 1120786 U JP1120786 U JP 1120786U JP S62125020 U JPS62125020 U JP S62125020U
- Authority
- JP
- Japan
- Prior art keywords
- tuning
- circuit
- frequency amplification
- transistor
- variable inductor
- 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
- 230000003321 amplification Effects 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
Landscapes
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Description
第１図は、本考案の高周波増幅同調装置の一実
施例の回路図であり、第２図は、第１図で用いら
れる可変インダクタの外観斜視図であり、第３図
は、第２図の縦断面図であり、第４図は、第１図
の電界効果トランジスタの出力容量から１次側同
調回路までの等価回路図であり、第５図は、従来
の高周波増幅同調装置の一例の回路図である。
１：電界効果トランジスタ、Ｄ：ドレイン、３
，７：可変容量ダイオード、４，８：同調用コン
デンサ、５，６：同調用コイル、１３：接地コン
デンサ、２２：電源端子、３０：可変インダクタ
。
FIG. 1 is a circuit diagram of one embodiment of the high frequency amplification tuning device of the present invention, FIG. 2 is an external perspective view of the variable inductor used in FIG. 1, and FIG. FIG. 4 is an equivalent circuit diagram from the output capacitance of the field effect transistor shown in FIG. 1 to the primary side tuning circuit, and FIG. 5 is an example of a conventional high frequency amplification tuning device. It is a circuit diagram. 1: Field effect transistor, D: Drain, 3
, 7: variable capacitance diode, 4, 8: tuning capacitor, 5, 6: tuning coil, 13: grounding capacitor, 22: power supply terminal, 30: variable inductor.
Claims (1)
と、この高周波増幅回路の出力端に接続される同
調回路と、を備え、前記出力端に成変インダクタ
ンスの一端を接続するとともに他端を電源に接続
して前記トランジスタに電力を供給し、さらに前
記可変インダクタの他端を高周波的に接地し、前
記可変インダクタのインダクタンス値を調整して
前記同調回路のトラツキング補正を行うことを特
徴とする高周波増幅同調装置。 A high-frequency amplification circuit using a transistor as an amplification element, and a tuning circuit connected to an output end of the high-frequency amplification circuit, one end of a converting inductance being connected to the output end and the other end being connected to a power source. A high frequency amplification and tuning device, characterized in that power is supplied to the transistor, the other end of the variable inductor is grounded at high frequency, and the inductance value of the variable inductor is adjusted to perform tracking correction of the tuning circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1120786U JPS62125020U (en) | 1986-01-28 | 1986-01-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1120786U JPS62125020U (en) | 1986-01-28 | 1986-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62125020U true JPS62125020U (en) | 1987-08-08 |
Family
ID=30798209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1120786U Pending JPS62125020U (en) | 1986-01-28 | 1986-01-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62125020U (en) |
-
1986
- 1986-01-28 JP JP1120786U patent/JPS62125020U/ja active Pending
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