JPH0247846U - - Google Patents
Info
- Publication number
- JPH0247846U JPH0247846U JP12790488U JP12790488U JPH0247846U JP H0247846 U JPH0247846 U JP H0247846U JP 12790488 U JP12790488 U JP 12790488U JP 12790488 U JP12790488 U JP 12790488U JP H0247846 U JPH0247846 U JP H0247846U
- Authority
- JP
- Japan
- Prior art keywords
- output
- signal
- modulator
- adder
- telemetry
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Position Fixing By Use Of Radio Waves (AREA)
- Selective Calling Equipment (AREA)
- Transmitters (AREA)
- Radio Relay Systems (AREA)
Description
第１図はこの考案の一実施例によるテレメトリ
送信機を示す図、第２図は従来のテレメトリ送信
機を示す図である。
図において１はテレメトリ信号、２は測距信号
、３ａ，３ｂは入力スイツチ、５は加算器、６は
ＲＯＭ、７はＤ／Ａコンバータ、８は可変減衰器
、９は変調器、１０は搬送波発生器。なお、図中
、同一符号は同一、または相当部分を示す。
FIG. 1 is a diagram showing a telemetry transmitter according to an embodiment of this invention, and FIG. 2 is a diagram showing a conventional telemetry transmitter. In the figure, 1 is a telemetry signal, 2 is a ranging signal, 3a and 3b are input switches, 5 is an adder, 6 is a ROM, 7 is a D/A converter, 8 is a variable attenuator, 9 is a modulator, and 10 is a carrier wave generator. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
号を個別か、または同時に送信するかを切換える
入力スイツチと、前記入力スイツチを制御する信
号を発生するスイツチ制御信号発生器と、テレメ
トリ信号と測距信号を加算する加算器と、加算器
の出力を変調する変調器と、変調器に供する搬送
波を発生する搬送波発生器と、変調器の出力を増
幅する電力増幅器とで構成されるテレメトリ送信
機において、スイツチ制御信号発生器の出力をア
ドレス入力とするＲＯＭリードオンリーメモリと
ＲＯＭデータ出力をデジタル／アナログ変換する
Ｄ／Ａコンバータと、Ｄ／Ａコンバータ出力で制
御され加算器出力を減衰させる可変減衰器とを備
えたことを特徴とするテレメトリ送信機。 An input switch mounted on an artificial satellite that switches whether to transmit a telemetry signal and a ranging signal individually or simultaneously, a switch control signal generator that generates a signal to control the input switch, and a telemetry signal and a ranging signal. In a telemetry transmitter that includes an adder that adds , a modulator that modulates the output of the adder, a carrier wave generator that generates a carrier wave to be provided to the modulator, and a power amplifier that amplifies the output of the modulator, A ROM read-only memory that uses the output of a switch control signal generator as an address input, a D/A converter that converts ROM data output from digital to analog, and a variable attenuator that is controlled by the D/A converter output and attenuates the adder output. A telemetry transmitter comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12790488U JPH0247846U (en) | 1988-09-29 | 1988-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12790488U JPH0247846U (en) | 1988-09-29 | 1988-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0247846U true JPH0247846U (en) | 1990-04-03 |
Family
ID=31380754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12790488U Pending JPH0247846U (en) | 1988-09-29 | 1988-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0247846U (en) |
-
1988
- 1988-09-29 JP JP12790488U patent/JPH0247846U/ja active Pending