KR920008551U - If 주파수 변환장치 - Google Patents
If 주파수 변환장치Info
- Publication number
- KR920008551U KR920008551U KR2019900016545U KR900016545U KR920008551U KR 920008551 U KR920008551 U KR 920008551U KR 2019900016545 U KR2019900016545 U KR 2019900016545U KR 900016545 U KR900016545 U KR 900016545U KR 920008551 U KR920008551 U KR 920008551U
- Authority
- KR
- South Korea
- Prior art keywords
- frequency converter
- converter
- frequency
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/14—Balanced arrangements
- H03D7/1425—Balanced arrangements with transistors
- H03D7/145—Balanced arrangements with transistors using a combination of bipolar transistors and field-effect transistors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
- H03D2200/0001—Circuit elements of demodulators
- H03D2200/0033—Current mirrors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900016545U KR940002620Y1 (ko) | 1990-10-31 | 1990-10-31 | If 주파수 변환장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900016545U KR940002620Y1 (ko) | 1990-10-31 | 1990-10-31 | If 주파수 변환장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920008551U true KR920008551U (ko) | 1992-05-20 |
KR940002620Y1 KR940002620Y1 (ko) | 1994-04-21 |
Family
ID=19304789
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019900016545U KR940002620Y1 (ko) | 1990-10-31 | 1990-10-31 | If 주파수 변환장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR940002620Y1 (ko) |
-
1990
- 1990-10-31 KR KR2019900016545U patent/KR940002620Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR940002620Y1 (ko) | 1994-04-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E801 | Decision on dismissal of amendment | ||
J2X1 | Appeal (before the patent court) |
Free format text: APPEAL AGAINST DECISION TO DECLINE REFUSAL |
|
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
LAPS | Lapse due to unpaid annual fee |