JPS643226U - - Google Patents
Info
- Publication number
- JPS643226U JPS643226U JP9281487U JP9281487U JPS643226U JP S643226 U JPS643226 U JP S643226U JP 9281487 U JP9281487 U JP 9281487U JP 9281487 U JP9281487 U JP 9281487U JP S643226 U JPS643226 U JP S643226U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- capacitor
- midpoint
- power supply
- series
- 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
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000003321 amplification Effects 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Transceivers (AREA)
Description
第１図は本考案のトランジスタ増幅ＲＦ切り換
え回路の一実施例を示し、第２図は従来例の回路
図を示す。
Ｔｒ：トランジスタ、Ｄ：ダイオード、Ｌ：コ
イル、Ｃ：コンデンサー、ＴＸＢ，ＲＸＢ：電源
、ＴＸ：送信部、ＲＸ：受信部。
FIG. 1 shows an embodiment of the transistor amplification RF switching circuit of the present invention, and FIG. 2 shows a circuit diagram of a conventional example. Tr: transistor, D: diode, L: coil, C: capacitor, TXB, RXB: power supply, TX: transmitter, RX: receiver.
Claims (1)
ＶＣＯバツフアー間に、コンデンサーＣ１、トラ
ンジスタＴｒ１、コンデンサーＣ３を直列に接続
し、前記トランジスタＴｒ１とコンデンサーＣ３
の中間点に接続するトランジスタＴｒ２、コンデ
ンサーＣ２を直列に接続して受信部ＲＦミキサー
に配し、前記トランジスタＴｒ１、Ｔｒ２をベー
ス接地アンプとしてＶＣＯバツフアーの出力を増
幅し、前記コンデンサーＣ１とトランジスタＴｒ
１の中間点にコイルＬ１を介して送信部電源ＴＸ
Ｂの電力供給端を配し、同様に、前記コンデンサ
ーＣ２とトランジスタＴｒ２の中間点にコイルＬ
２を介して受信部電源ＲＸＢが接続されているこ
とを特徴とするトランジスタ増幅ＲＦ切り換え回
路。 A capacitor C 1 , a transistor Tr 1 and a capacitor C 3 are connected in series between the transmitter TX Younger and the voltage controlled oscillator VCO buffer, and the transistor Tr 1 and the capacitor C 3 are connected in series.
A transistor Tr 2 and a capacitor C 2 connected to the midpoint of 1 and transistor Tr
Transmitter power supply TX via coil L 1 at the midpoint of 1
Similarly, a coil L is placed at the midpoint between the capacitor C2 and the transistor Tr2 .
1. A transistor amplification RF switching circuit, characterized in that a receiving section power supply RXB is connected via 2 .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9281487U JPH0434595Y2 (en) | 1987-06-18 | 1987-06-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9281487U JPH0434595Y2 (en) | 1987-06-18 | 1987-06-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS643226U true JPS643226U (en) | 1989-01-10 |
| JPH0434595Y2 JPH0434595Y2 (en) | 1992-08-18 |
Family
ID=31317261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9281487U Expired JPH0434595Y2 (en) | 1987-06-18 | 1987-06-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0434595Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105897234A (en) * | 2015-02-15 | 2016-08-24 | 天工方案公司 | Unpowered switching module |
-
1987
- 1987-06-18 JP JP9281487U patent/JPH0434595Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105897234A (en) * | 2015-02-15 | 2016-08-24 | 天工方案公司 | Unpowered switching module |
| JP2016165102A (en) * | 2015-02-15 | 2016-09-08 | スカイワークス ソリューションズ, インコーポレイテッドSkyworks Solutions, Inc. | Unpowered switching module |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0434595Y2 (en) | 1992-08-18 |