JPS63171036U - - Google Patents
Info
- Publication number
- JPS63171036U JPS63171036U JP6248387U JP6248387U JPS63171036U JP S63171036 U JPS63171036 U JP S63171036U JP 6248387 U JP6248387 U JP 6248387U JP 6248387 U JP6248387 U JP 6248387U JP S63171036 U JPS63171036 U JP S63171036U
- Authority
- JP
- Japan
- Prior art keywords
- carrier wave
- synthesizer type
- input
- frequency
- wave 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
- 101100296075 Arabidopsis thaliana PLL4 gene Proteins 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Transmitters (AREA)
Description
第１図は本考案の実施例を示す構成図、第２図
は本考案の特性図、第３図はＶＣＡの構成図、第
４図はＶＣＯの特性図、第５図はＶＣＡの特性図
、第６図は従来のＰＬＬ型シンセサイザ型ＦＭ無
線送信機の構成図、第７図は従来のＦＭ変調特性
図である。
Fig. 1 is a block diagram showing an embodiment of the present invention, Fig. 2 is a characteristic diagram of the present invention, Fig. 3 is a block diagram of the VCA, Fig. 4 is a characteristic diagram of the VCO, and Fig. 5 is a characteristic diagram of the VCA. , FIG. 6 is a block diagram of a conventional PLL synthesizer type FM radio transmitter, and FIG. 7 is a diagram of conventional FM modulation characteristics.
Claims (1)
ＬＬシンセサイザ方式のＦＭ無線機において、Ｖ
ＣＯ３に入力する変調入力Ｖａのレベルを搬送波
周波数ｆに応じて可換し、周波数偏移△ｆを搬送
波周波数ｆによらず一定に保つようにしてなるこ
とを特徴とするＰＬＬシンセサイザ方式のＦＭ無
線機。 P Create a transmission carrier wave with VCO3 and PLL4
In LL synthesizer type FM radio equipment, V
A PLL synthesizer type FM radio characterized in that the level of the modulation input Va input to CO3 is changed according to the carrier wave frequency f, and the frequency deviation Δf is kept constant regardless of the carrier wave frequency f. Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6248387U JPS63171036U (en) | 1987-04-24 | 1987-04-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6248387U JPS63171036U (en) | 1987-04-24 | 1987-04-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63171036U true JPS63171036U (en) | 1988-11-08 |
Family
ID=30896807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6248387U Pending JPS63171036U (en) | 1987-04-24 | 1987-04-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63171036U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03236634A (en) * | 1990-02-13 | 1991-10-22 | Alps Electric Co Ltd | Fm modulation transmitter |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58105631A (en) * | 1981-12-17 | 1983-06-23 | Nec Corp | Frequency modulating transmitter |
-
1987
- 1987-04-24 JP JP6248387U patent/JPS63171036U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58105631A (en) * | 1981-12-17 | 1983-06-23 | Nec Corp | Frequency modulating transmitter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03236634A (en) * | 1990-02-13 | 1991-10-22 | Alps Electric Co Ltd | Fm modulation transmitter |
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