JPS633616U - - Google Patents
Info
- Publication number
- JPS633616U JPS633616U JP9401986U JP9401986U JPS633616U JP S633616 U JPS633616 U JP S633616U JP 9401986 U JP9401986 U JP 9401986U JP 9401986 U JP9401986 U JP 9401986U JP S633616 U JPS633616 U JP S633616U
- Authority
- JP
- Japan
- Prior art keywords
- frequency transformer
- terminated
- low frequency
- gate
- transformer
- 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.)
- Granted
Links
- 230000006698 induction Effects 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Amplifiers (AREA)
Description
第１図は本考案による静電誘導トランジスタを
用いた周波数範囲切換回路の概略図を示す。第２
図は従来一般に用いられている入力にトランスホ
ーマを用いた増幅器の回路図、第３図は従来の低
周波用トランスホーマと高周波用トランスホーマ
を用いたバイポーラ型トランジスタ増幅器の回路
図、第４図は従来一般に低周波用トランスホーマ
と高周波用トランスホーマとを用いた静電誘導ト
ランジスタ電力増幅器の回路図である。
なお、１：低周波用トランスホーマ、２：高周
波用トランスホーマ、３：切換スイツチ、３１，
３２：接点、４：静電誘導トランジスタ、４１：
ゲート、５：ゲートバイアス用電源、６：入力ト
ランスホーマ、７：トランジスタ、８：バイパス
コンデンサ、Ｒ１，Ｒ２：負荷抵抗。
FIG. 1 shows a schematic diagram of a frequency range switching circuit using a static induction transistor according to the present invention. Second
The figure shows a circuit diagram of a commonly used conventional amplifier using a transformer for input, Figure 3 is a circuit diagram of a bipolar transistor amplifier using a conventional low-frequency transformer and a high-frequency transformer, and Figure 4 1 is a circuit diagram of a conventional electrostatic induction transistor power amplifier that generally uses a low frequency transformer and a high frequency transformer. In addition, 1: transformer for low frequency, 2: transformer for high frequency, 3: changeover switch, 31,
32: Contact, 4: Static induction transistor, 41:
Gate, 5: Gate bias power supply, 6: Input transformer, 7: Transistor, 8: Bypass capacitor, R1 , R2 : Load resistance.
Claims (1)
スホーマ１と負荷抵抗Ｒ２で２次側を終端した高
周波トランスホーマ２とに分割された入力信号を
切り換えスイツチ３によつて静電誘導トランジス
タのゲートに入力する広帯域電力増幅器において
、前記低周波トランスホーマ１の前記負荷抵抗Ｒ
１を前記切り換えスイツチ３より前記ゲート側に
て終端してなる静電誘導トランジスタを用いた周
波数範囲切換回路。 A switch 3 switches the input signal into a low frequency transformer 1 whose secondary side is terminated with a load resistor R1 and a high frequency transformer 2 whose secondary side is terminated with a load resistor R2. In the broadband power amplifier input to the gate of the low frequency transformer 1, the load resistance R of the low frequency transformer 1 is
1 is terminated on the gate side of the changeover switch 3 using a static induction transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9401986U JPH0543531Y2 (en) | 1986-06-21 | 1986-06-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9401986U JPH0543531Y2 (en) | 1986-06-21 | 1986-06-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS633616U true JPS633616U (en) | 1988-01-11 |
| JPH0543531Y2 JPH0543531Y2 (en) | 1993-11-02 |
Family
ID=30957087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9401986U Expired - Lifetime JPH0543531Y2 (en) | 1986-06-21 | 1986-06-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0543531Y2 (en) |
-
1986
- 1986-06-21 JP JP9401986U patent/JPH0543531Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0543531Y2 (en) | 1993-11-02 |