JPH0178975U - - Google Patents
Info
- Publication number
- JPH0178975U JPH0178975U JP1987175692U JP17569287U JPH0178975U JP H0178975 U JPH0178975 U JP H0178975U JP 1987175692 U JP1987175692 U JP 1987175692U JP 17569287 U JP17569287 U JP 17569287U JP H0178975 U JPH0178975 U JP H0178975U
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- response transmission
- radar
- response
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 5
- 230000002265 prevention Effects 0.000 claims 1
- 230000001052 transient effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Radar Systems Or Details Thereof (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は従来の捜索・救助用レーダー・トランスポン
ダの一実施例の系統図、第３図は第２図の系統図
の各部動作を説明するための主要各部波形図であ
る。
第１図において、２は抵抗器、５はコンデンサ
、８は２入力のシユミツト型ＮＡＮＤゲートＩＣ
である。なお、これらの図中において、同一符号
は同一、又は相当部分を示す。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
The figure is a system diagram of an embodiment of a conventional search and rescue radar transponder, and FIG. 3 is a waveform diagram of the main parts for explaining the operation of each part of the system diagram of FIG. In Figure 1, 2 is a resistor, 5 is a capacitor, and 8 is a 2-input Schmitt type NAND gate IC.
It is. In addition, in these figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
、これを同期トリガとして応答送信パルスを導出
するレーダー・トランスポンダにおいて、上記応
答送信パルスを得るための応答送信用基本ゲート
回路と、この応答送信パルスを上記パルスレーダ
ーの送信周波数或いはこの周波数を含む周波数帯
の応答電波に変換するための発振器又は該増幅器
との間に、２入力又は２入力以上の論理積回路を
挿入し、一方の論理積入力端子に電源から抵抗器
を介してコンデンサで共通端子に接続したことを
特徴とするレーダー・トランスポンダの過渡動作
防止回路。 In a radar transponder that receives pulse radar radio waves, detects and amplifies them, and uses this as a synchronization trigger to derive a response transmission pulse, a basic gate circuit for response transmission to obtain the above response transmission pulse, and a response transmission pulse An AND circuit with two inputs or more than two inputs is inserted between the above-mentioned pulse radar transmission frequency or an oscillator or the amplifier for converting into a response radio wave of a frequency band including this frequency, and one AND input terminal is inserted between the transmitter and the amplifier. A radar transponder transient operation prevention circuit characterized in that a power supply is connected to a common terminal via a resistor and a capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17569287U JPH0643746Y2 (en) | 1987-11-16 | 1987-11-16 | Radar transponder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17569287U JPH0643746Y2 (en) | 1987-11-16 | 1987-11-16 | Radar transponder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0178975U true JPH0178975U (en) | 1989-05-26 |
| JPH0643746Y2 JPH0643746Y2 (en) | 1994-11-14 |
Family
ID=31467477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17569287U Expired - Lifetime JPH0643746Y2 (en) | 1987-11-16 | 1987-11-16 | Radar transponder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0643746Y2 (en) |
-
1987
- 1987-11-16 JP JP17569287U patent/JPH0643746Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0643746Y2 (en) | 1994-11-14 |
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