JPS6440912U - - Google Patents
Info
- Publication number
- JPS6440912U JPS6440912U JP11812988U JP11812988U JPS6440912U JP S6440912 U JPS6440912 U JP S6440912U JP 11812988 U JP11812988 U JP 11812988U JP 11812988 U JP11812988 U JP 11812988U JP S6440912 U JPS6440912 U JP S6440912U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- modulation
- audio
- collector
- transmitting
- 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
- 230000003321 amplification Effects 0.000 claims 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims 2
- 230000010355 oscillation Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Amplitude Modulation (AREA)
Description
第１図は本考案の一実施例を示す略線図、第２
図はその送信回路の一具体例を示す回路図、第３
図ａ及びｂは夫々従来方式及び本考案装置におけ
る周波数と応答度との関係を示す実測図である。
１……受信回路、６……送信回路、１１……前
置増幅回路、１２……電力増幅回路。
Fig. 1 is a schematic diagram showing one embodiment of the present invention;
The figure is a circuit diagram showing a specific example of the transmitting circuit.
Figures a and b are actual measurement diagrams showing the relationship between frequency and response in the conventional system and the device of the present invention, respectively. 1... Receiving circuit, 6... Transmitting circuit, 11... Preamplifier circuit, 12... Power amplifier circuit.
Claims (1)
音声増幅回路とを備えた無線送受信装置において
、上記送信回路には発振回路及びコレクタ変調回
路が設けられており、該コレクタ変調回路により
上記発振回路からのキヤリア信号を上記音声増幅
回路からのオーデイオ変調波によつてＡＭ変調さ
れるようになつていて、上記コレクタ変調回路の
終段出力トランジスタのベースに、上記オーデイ
オ変調波を適度に加えるように構成したことを特
徴とするＡＭ変調装置。 In a wireless transmitting/receiving device including a receiving circuit, a transmitting circuit, and an audio amplification circuit connected to both circuits, the transmitting circuit is provided with an oscillation circuit and a collector modulation circuit, and the collector modulation circuit generates the oscillation. The carrier signal from the circuit is AM-modulated by the audio modulation wave from the audio amplification circuit, and the audio modulation wave is appropriately applied to the base of the final stage output transistor of the collector modulation circuit. An AM modulation device characterized in that it is configured as follows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11812988U JPS6440912U (en) | 1988-09-08 | 1988-09-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11812988U JPS6440912U (en) | 1988-09-08 | 1988-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6440912U true JPS6440912U (en) | 1989-03-10 |
Family
ID=31362214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11812988U Pending JPS6440912U (en) | 1988-09-08 | 1988-09-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6440912U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5325482U (en) * | 1976-08-10 | 1978-03-03 |
-
1988
- 1988-09-08 JP JP11812988U patent/JPS6440912U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5325482U (en) * | 1976-08-10 | 1978-03-03 |
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