JPH022806U - - Google Patents
Info
- Publication number
- JPH022806U JPH022806U JP8033688U JP8033688U JPH022806U JP H022806 U JPH022806 U JP H022806U JP 8033688 U JP8033688 U JP 8033688U JP 8033688 U JP8033688 U JP 8033688U JP H022806 U JPH022806 U JP H022806U
- Authority
- JP
- Japan
- Prior art keywords
- lands
- semi
- fixed resistor
- resistance value
- fixed
- 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 7
Landscapes
- Details Of Resistors (AREA)
- Apparatuses And Processes For Manufacturing Resistors (AREA)
- Structures For Mounting Electric Components On Printed Circuit Boards (AREA)
Description
第１図〜第３図は第１の実施例を説明するもの
で、第１図Ａがプリント基板上のランドの配置を
示す図、第１図Ｂが固定抵抗を取付けた状態を示
す図、第１図Ｃが半固定抵抗を取付けた状態を示
す図、第２図が固定抵抗の回路図、第３図が半固
定抵抗の回路図である。第４図〜第６図は第２の
実施例を説明するもので、第４図Ａがプリント基
板上のランドの配置を示す図、第４図Ｂが固定抵
抗を取付けた状態を示す図、第４図Ｃが半固定抵
抗を取付けた状態を示す図、第５図が固定抵抗の
回路図、第６図が半固定抵抗の回路図である。第
７図が従来例を説明する図である。
１１〜１３：第１〜第３のランド、１５，１５
Ａ，１５Ｂ：固定抵抗、１６：半固定抵抗、２１
〜２５：第１〜第５のランド。
1 to 3 are for explaining the first embodiment, in which FIG. 1A shows the arrangement of lands on the printed circuit board, FIG. 1B shows the state in which fixed resistors are attached, FIG. 1C is a diagram showing a state in which a semi-fixed resistor is attached, FIG. 2 is a circuit diagram of a fixed resistor, and FIG. 3 is a circuit diagram of a semi-fixed resistor. 4 to 6 explain the second embodiment, in which FIG. 4A shows the arrangement of lands on the printed circuit board, FIG. 4B shows the state in which fixed resistors are attached, FIG. 4C is a diagram showing a state in which a semi-fixed resistor is attached, FIG. 5 is a circuit diagram of a fixed resistor, and FIG. 6 is a circuit diagram of a semi-fixed resistor. FIG. 7 is a diagram illustrating a conventional example. 11-13: 1st-3rd lands, 15, 15
A, 15B: Fixed resistance, 16: Semi-fixed resistance, 21
~25: 1st to 5th lands.
Claims (1)
と、該固定抵抗に代えて取付けられ同じく調整用
抵抗値を与える３つの端子を備えた半固定抵抗と
が実装可能なプリント基板において、 前記固定抵抗の両端が接続されるように配置し
た第１および第２のランドと、 前記第２のランドと電気的に接続された第３の
ランドとを備え、 前記第１〜第３のランドを、前記半固定抵抗の
３つの端子が接続される位置に配置して前記第１
および第２のランド間の抵抗値を前記半固定抵抗
により調節可能とすることを特徴とするプリント
基板。 (2) 電子機器の調整用分圧抵抗値を与える一対
の固定抵抗と、該一対の固定抵抗に代えて取付け
られ同じく調整用分圧抵抗値を与える３つの端子
を備えた半固定抵抗とが実装可能なプリント基板
において、 前記一対の固定抵抗の両端がそれぞれ接続され
るように配置した第１および第２のランドと第３
および第４のランドと、 前記第１および第４のランドと電気的に接続さ
れた第５のランドとを備え、 前記第２、第３および第５のランドを、前記半
固定抵抗の３つの端子が接続される位置に配置し
て前記第２および第５のランド間の分圧抵抗値と
前記第３および第５のランド間の分圧抵抗値とを
前記半固定抵抗により調節可能とすることを特徴
とするプリント基板。[Claims for Utility Model Registration] (1) A fixed resistor that provides an adjustment resistance value for electronic equipment, and a semi-fixed resistor that is attached in place of the fixed resistor and has three terminals that also provides an adjustment resistance value. A mountable printed circuit board, comprising: first and second lands arranged so that both ends of the fixed resistor are connected; and a third land electrically connected to the second land; The first to third lands are arranged at positions where the three terminals of the semi-fixed resistor are connected to the first to third lands.
and a printed circuit board characterized in that the resistance value between the second lands can be adjusted by the semi-fixed resistor. (2) A pair of fixed resistors that provide a voltage dividing resistance value for adjustment of electronic equipment, and a semi-fixed resistor that is attached in place of the pair of fixed resistors and has three terminals that also provides a voltage dividing resistance value for adjustment. In a mountable printed circuit board, first and second lands and a third land are arranged such that both ends of the pair of fixed resistors are respectively connected.
and a fourth land, and a fifth land electrically connected to the first and fourth lands, and the second, third, and fifth lands are connected to the three of the semi-fixed resistors. The semi-fixed resistor is arranged at a position where a terminal is connected so that the voltage dividing resistance value between the second and fifth lands and the voltage dividing resistance value between the third and fifth lands can be adjusted by the semi-fixed resistor. A printed circuit board characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8033688U JPH022806U (en) | 1988-06-17 | 1988-06-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8033688U JPH022806U (en) | 1988-06-17 | 1988-06-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH022806U true JPH022806U (en) | 1990-01-10 |
Family
ID=31305165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8033688U Pending JPH022806U (en) | 1988-06-17 | 1988-06-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH022806U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53116517A (en) * | 1977-03-21 | 1978-10-12 | Rite Autotronics Corp | Air pump |
-
1988
- 1988-06-17 JP JP8033688U patent/JPH022806U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53116517A (en) * | 1977-03-21 | 1978-10-12 | Rite Autotronics Corp | Air pump |
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