JPS6422118A - Tracking correcting circuit for antenna circuit - Google Patents
Tracking correcting circuit for antenna circuitInfo
- Publication number
- JPS6422118A JPS6422118A JP17703487A JP17703487A JPS6422118A JP S6422118 A JPS6422118 A JP S6422118A JP 17703487 A JP17703487 A JP 17703487A JP 17703487 A JP17703487 A JP 17703487A JP S6422118 A JPS6422118 A JP S6422118A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- variable
- circuit
- station selecting
- capacity
- 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
Landscapes
- Circuits Of Receivers In General (AREA)
Abstract
PURPOSE:To facilitate a tracking adjustment by connecting a voltage variable circuit to the electrode facing to the electrode to impress the station selecting voltage of a variable capacity diode and providing an adjustable setting circuit. CONSTITUTION:When a station selecting voltage impressed to the cathode of a variable capacity diode 2 in a main tuning circuit 1 is changed in an increasing direction at a high area, at the time of a station selecting voltage (V1), the variable voltage of a voltage variable circuit 7 is impressed to the anode of the variable capacity diode 2 so that the voltage can be a voltage (V2) lower than it apparently. Consequently, the capacity of the variable capacity diode 2 is increased only by C because the voltage (V1) is reduced to the V2 apparently, the shortage capacity is corrected and the linearity can be improved. From which position of the area with a high station selecting voltage is set by the adjustment of a variable contact 9' of a variable resistance R5 in a setting circuit 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17703487A JPS6422118A (en) | 1987-07-17 | 1987-07-17 | Tracking correcting circuit for antenna circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17703487A JPS6422118A (en) | 1987-07-17 | 1987-07-17 | Tracking correcting circuit for antenna circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6422118A true JPS6422118A (en) | 1989-01-25 |
Family
ID=16023989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17703487A Pending JPS6422118A (en) | 1987-07-17 | 1987-07-17 | Tracking correcting circuit for antenna circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6422118A (en) |
-
1987
- 1987-07-17 JP JP17703487A patent/JPS6422118A/en active Pending
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