JPS6416746U - - Google Patents
Info
- Publication number
- JPS6416746U JPS6416746U JP11221187U JP11221187U JPS6416746U JP S6416746 U JPS6416746 U JP S6416746U JP 11221187 U JP11221187 U JP 11221187U JP 11221187 U JP11221187 U JP 11221187U JP S6416746 U JPS6416746 U JP S6416746U
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- tuner
- input circuit
- circuit according
- antenna input
- 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
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Support Of Aerials (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Description
第１図はこの考案に係るアンテナ入力回路の一
例を示す接続図、第２図はこの考案の説明に供す
る系統図、第３図はその動作説明に供する特性図
である。
１，２……チユーナ、４……アンテナ、３Ａ，
３Ｂ……給電端子、１０……アンテナ入力回路、
１４，１５……インピーダンスマツチング用の抵
抗器、２０……広帯域低雑音増幅器。
FIG. 1 is a connection diagram showing an example of an antenna input circuit according to this invention, FIG. 2 is a system diagram for explaining this invention, and FIG. 3 is a characteristic diagram for explaining its operation. 1, 2... Chuyuna, 4... Antenna, 3A,
3B...Power supply terminal, 10...Antenna input circuit,
14, 15...Resistor for impedance matching, 20...Broadband low noise amplifier.
Claims (1)
スを介して広帯域低雑音増幅器に供給され、 その出力がインピーダンスマツチング用の第１
及び第２の抵抗器を介して第１及び第２のチユー
ナの同調回路に供給されるようになされたことを
特徴とするアンテナ入力回路。 (2) 上記アンテナとして、ループアンテナが使
用されてなることを特徴とする実用新案登録請求
の範囲第１項記載のアンテナ入力回路。 (3) 上記第１のチユーナとしてＡＭ／ＦＭチユ
ーナが、第２のチユーナとしてＡＭ／ＦＭ／ＶＨ
Ｆ／ＵＨＦチユーナが使用されてなることを特徴
とする実用新案登録請求の範囲第１項及び第２項
記載のアンテナ入力回路。[Claims for Utility Model Registration] (1) The signal fed from the antenna is supplied to a broadband low-noise amplifier via a coupling transformer, and its output is used as the first amplifier for impedance matching.
and a second resistor to the tuning circuits of the first and second tuners. (2) The antenna input circuit according to claim 1, wherein a loop antenna is used as the antenna. (3) The first tuner is AM/FM tuner, and the second tuner is AM/FM/VH.
An antenna input circuit according to claims 1 and 2, characterized in that an F/UHF tuner is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11221187U JPH054352Y2 (en) | 1987-07-22 | 1987-07-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11221187U JPH054352Y2 (en) | 1987-07-22 | 1987-07-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6416746U true JPS6416746U (en) | 1989-01-27 |
| JPH054352Y2 JPH054352Y2 (en) | 1993-02-03 |
Family
ID=31350941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11221187U Expired - Lifetime JPH054352Y2 (en) | 1987-07-22 | 1987-07-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH054352Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0370229U (en) * | 1989-11-07 | 1991-07-15 | ||
| JP2015517783A (en) * | 2012-05-25 | 2015-06-22 | クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ | Low noise amplifier for carrier aggregation with transformer-based signal division |
| US10177722B2 (en) | 2016-01-12 | 2019-01-08 | Qualcomm Incorporated | Carrier aggregation low-noise amplifier with tunable integrated power splitter |
-
1987
- 1987-07-22 JP JP11221187U patent/JPH054352Y2/ja not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0370229U (en) * | 1989-11-07 | 1991-07-15 | ||
| JP2015517783A (en) * | 2012-05-25 | 2015-06-22 | クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ | Low noise amplifier for carrier aggregation with transformer-based signal division |
| US10177722B2 (en) | 2016-01-12 | 2019-01-08 | Qualcomm Incorporated | Carrier aggregation low-noise amplifier with tunable integrated power splitter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH054352Y2 (en) | 1993-02-03 |
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