JPH0213336U - - Google Patents
Info
- Publication number
- JPH0213336U JPH0213336U JP9044588U JP9044588U JPH0213336U JP H0213336 U JPH0213336 U JP H0213336U JP 9044588 U JP9044588 U JP 9044588U JP 9044588 U JP9044588 U JP 9044588U JP H0213336 U JPH0213336 U JP H0213336U
- Authority
- JP
- Japan
- Prior art keywords
- control voltage
- mixing
- oscillation
- circuit
- frequency
- 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
- 230000010355 oscillation Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の一実施例の無線受信装置１の
電気的構成を示すブロツク図、第２図はフイルタ
回路４の周波数特性を示すグラフである。
１……無線受信装置、２……アンテナ、３ａ…
…プリセレクタ、３ｂ……高周波増幅回路、４…
…フイルタ回路、５……混合回路、６……電圧制
御発振回路、７……中間周波増幅回路、８……検
波回路、９……電力増幅回路、１０……スピーカ
、１３……位相比較回路、１５……ＰＬＬ回路、
１６……直列共振回路、ＶＣ１……トリマコンデ
ンサ、ＶＣ２……バリキヤツプ。
FIG. 1 is a block diagram showing the electrical configuration of a radio receiving apparatus 1 according to an embodiment of the present invention, and FIG. 2 is a graph showing the frequency characteristics of the filter circuit 4. As shown in FIG. 1...Radio receiving device, 2...Antenna, 3a...
...Preselector, 3b...High frequency amplification circuit, 4...
... Filter circuit, 5 ... Mixing circuit, 6 ... Voltage controlled oscillation circuit, 7 ... Intermediate frequency amplification circuit, 8 ... Detection circuit, 9 ... Power amplifier circuit, 10 ... Speaker, 13 ... Phase comparison circuit , 15...PLL circuit,
16...Series resonant circuit, VC1...trimmer capacitor, VC2...varicap.
Claims (1)
る発振手段と、 受信信号と前記発振手段からの出力とが混合さ
れて中間波信号を作成する混合手段と、 前記混合手段の前段に配置され、前記制御電圧
に基づいて、該制御電圧に対応する周波数に予め
定める関係を有する周波数帯域の信号を遮断する
波手段とを含むことを特徴とするスーパーヘテ
ロダイン受信装置。[Claims for Utility Model Registration] Control voltage generation means; oscillation means whose oscillation frequency is changed based on the control voltage; and an intermediate wave signal created by mixing the received signal and the output from the oscillation means. The device is characterized in that it includes a mixing means, and a wave means disposed upstream of the mixing means and blocking a signal in a frequency band having a predetermined relationship with a frequency corresponding to the control voltage based on the control voltage. Superheterodyne receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9044588U JPH0213336U (en) | 1988-07-06 | 1988-07-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9044588U JPH0213336U (en) | 1988-07-06 | 1988-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0213336U true JPH0213336U (en) | 1990-01-26 |
Family
ID=31314967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9044588U Pending JPH0213336U (en) | 1988-07-06 | 1988-07-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0213336U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007110685A (en) * | 2005-09-16 | 2007-04-26 | Oki Electric Ind Co Ltd | Receiver and method of attenuating disturbance signal |
-
1988
- 1988-07-06 JP JP9044588U patent/JPH0213336U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007110685A (en) * | 2005-09-16 | 2007-04-26 | Oki Electric Ind Co Ltd | Receiver and method of attenuating disturbance signal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3695938B2 (en) | Buffer amplifier circuit | |
| JPH0394841U (en) | ||
| JPH0213336U (en) | ||
| Kasperkovitz | An integrated FM receiver | |
| JP2819034B2 (en) | Voltage controlled oscillator | |
| JPH048675Y2 (en) | ||
| JPH0472728U (en) | ||
| JPS6127228Y2 (en) | ||
| JPH0352020Y2 (en) | ||
| JPS60212036A (en) | Am receiver | |
| JPS6261535U (en) | ||
| JPS602692Y2 (en) | Band switching circuit of synthesizer type AM receiver | |
| JPS58988Y2 (en) | radio receiver | |
| JPS5936025Y2 (en) | Band switching circuit | |
| JPS6037949U (en) | radio receiver | |
| JPH0669155B2 (en) | Small transceiver | |
| JPS6014526A (en) | All-band double heterodyne am receiver | |
| JPS6126338U (en) | active antenna | |
| JPH045733U (en) | ||
| JPH0750852B2 (en) | Automatic tracking method | |
| JPS60224308A (en) | Local oscillator | |
| JPH02112023U (en) | ||
| JPH0210631U (en) | ||
| JPS62186525U (en) | ||
| JPH0511569U (en) | Traffic information receiving circuit |