Patent EP0401771A2 successfully refreshed from Google Patents.
EP0401771A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Circuit arrangement for frequency conversion
Assignee: Aumovio Microelectronic GmbH
•
Filing: 1990-06-06
•
Granted: —
•
Expires: 2010-06-06
Abstract
Abstract The invention describes a circuit arrangement for frequency conversion by means of quadrature heterodyne signals, which also exhibits very small quadrature errors at very high frequencies and can be monolithically integrated with little external circuitry. <IMAGE>
Inventors
- 👤 Günter Dipl.-Ing. Tränkle
- 👤 Gottfried Dipl.-Ing. Deckenbach (Fh)
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 19:50
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/15; H03D; H03D1/00; H03D1/22; H03D1/2245; H03D7/00; H03D7/14; H03D7/1425; H03D7/1458; H03D7/16; H03D7/165; H03B; H03B2200/00; H03B2200/006; H03B2200/0078; H03D2200/00; H03D2200/0001; H03D2200/0019; H03D5/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.