JPS62143320U - - Google Patents
Info
- Publication number
- JPS62143320U JPS62143320U JP3036286U JP3036286U JPS62143320U JP S62143320 U JPS62143320 U JP S62143320U JP 3036286 U JP3036286 U JP 3036286U JP 3036286 U JP3036286 U JP 3036286U JP S62143320 U JPS62143320 U JP S62143320U
- Authority
- JP
- Japan
- Prior art keywords
- resistance section
- variable
- bias circuit
- section
- resistance
- 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
- 239000000919 ceramic Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
Landscapes
- Microwave Amplifiers (AREA)
- Amplifiers (AREA)
- Junction Field-Effect Transistors (AREA)
Description
第１図はこの考案のバイアス回路の一実施例を
示す図、第２図はこの考案によるバイアス回路を
セラミツク基板上に形成した実施例を示す図、第
３図は従来のバイアス回路を示す図である。図に
おいて、１は可変用抵抗、２は固定抵抗、３はジ
ヤンパ線、４はＦＥＴ増幅器、５はパターン、６
はセラミツク基板、７は従来の可変抵抗器である
。なお、図中、同一符号は同一、又は相当部分を
示す。
Fig. 1 shows an embodiment of the bias circuit of this invention, Fig. 2 shows an embodiment of the bias circuit of this invention formed on a ceramic substrate, and Fig. 3 shows a conventional bias circuit. It is. In the figure, 1 is a variable resistor, 2 is a fixed resistor, 3 is a jumper wire, 4 is a FET amplifier, 5 is a pattern, and 6
is a ceramic substrate, and 7 is a conventional variable resistor. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
変用抵抗部と固定抵抗部に分け、更に可変抵抗部
抵抗値をデイジタル的にかつ機械的に可変可能と
したことを特徴とするバイアス回路。 A bias circuit characterized in that it has a variable resistor for voltage division, its resistance section is divided into a variable resistance section and a fixed resistance section, and the resistance value of the variable resistance section can be varied digitally and mechanically. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3036286U JPS62143320U (en) | 1986-03-03 | 1986-03-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3036286U JPS62143320U (en) | 1986-03-03 | 1986-03-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62143320U true JPS62143320U (en) | 1987-09-10 |
Family
ID=30835094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3036286U Pending JPS62143320U (en) | 1986-03-03 | 1986-03-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62143320U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0583041A (en) * | 1990-11-30 | 1993-04-02 | Nec Corp | Gate bias control circuit |
-
1986
- 1986-03-03 JP JP3036286U patent/JPS62143320U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0583041A (en) * | 1990-11-30 | 1993-04-02 | Nec Corp | Gate bias control circuit |