JPS61189637U - - Google Patents
Info
- Publication number
- JPS61189637U JPS61189637U JP7275285U JP7275285U JPS61189637U JP S61189637 U JPS61189637 U JP S61189637U JP 7275285 U JP7275285 U JP 7275285U JP 7275285 U JP7275285 U JP 7275285U JP S61189637 U JPS61189637 U JP S61189637U
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- local oscillation
- section
- mixing section
- guiding
- 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
- 239000013078 crystal Substances 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 claims 3
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Superheterodyne Receivers (AREA)
Description
第１図は本考案の周波数変換装置のブロツク図
、第２図は本考案の実施例の外観図である。
１……アンテナ、３……周波数混合部、４……
局部発振部、Ｘ１〜Ｘ４……水晶発振子、Ｓ１０
……選択切換スイツチ。
FIG. 1 is a block diagram of a frequency converter according to the present invention, and FIG. 2 is an external view of an embodiment of the present invention. 1... Antenna, 3... Frequency mixing section, 4...
Local oscillator, X1 to X4 ...Crystal oscillator, S10
...Selection switch.
Claims (1)
発振部によつて発振された局部発振信号とアンテ
ナからの受信信号を混合し中間周波数の信号に変
換する周波数混合部と、受信信号を上記周波数混
合部へ入力させ周波数混合部の出力を出力端子へ
導く場合又はアンテナからの受信信号を直接出力
端子へ導く場合の２者択一をおこなうための選択
切換スイツチを具備したことを特徴とする周波数
変換装置。 a local oscillation section having a predetermined number of crystal oscillators; a frequency mixing section that mixes the local oscillation signal oscillated by the local oscillation section and the received signal from the antenna and converts it into an intermediate frequency signal; A frequency selection switch for selecting between inputting the frequency into the mixing section and guiding the output of the frequency mixing section to the output terminal, or guiding the received signal from the antenna directly to the output terminal. conversion device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7275285U JPS61189637U (en) | 1985-05-16 | 1985-05-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7275285U JPS61189637U (en) | 1985-05-16 | 1985-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61189637U true JPS61189637U (en) | 1986-11-26 |
Family
ID=30611457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7275285U Pending JPS61189637U (en) | 1985-05-16 | 1985-05-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61189637U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5633843B2 (en) * | 1972-12-29 | 1981-08-06 |
-
1985
- 1985-05-16 JP JP7275285U patent/JPS61189637U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5633843B2 (en) * | 1972-12-29 | 1981-08-06 |