NL6814310A - - Google Patents
Info
- Publication number
- NL6814310A NL6814310A NL6814310A NL6814310A NL6814310A NL 6814310 A NL6814310 A NL 6814310A NL 6814310 A NL6814310 A NL 6814310A NL 6814310 A NL6814310 A NL 6814310A NL 6814310 A NL6814310 A NL 6814310A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
- H03H11/12—Frequency selective two-port networks using amplifiers with feedback
- H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
- H03H11/1252—Two integrator-loop-filters
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/19—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions
- G06G7/1928—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions for forming correlation integrals; for forming convolution integrals
- G06G7/1935—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions for forming correlation integrals; for forming convolution integrals by converting at least one the input signals into a two level signal, e.g. polarity correlators
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L23/00—Apparatus or local circuits for systems other than those covered by groups H04L15/00 - H04L21/00
- H04L23/02—Apparatus or local circuits for systems other than those covered by groups H04L15/00 - H04L21/00 adapted for orthogonal signalling
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Junction Field-Effect Transistors (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US64544767A | 1967-06-12 | 1967-06-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6814310A true NL6814310A (de) | 1970-04-09 |
Family
ID=24589057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6814310A NL6814310A (de) | 1967-06-12 | 1968-10-07 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3518557A (de) |
| DE (1) | DE1766555A1 (de) |
| NL (1) | NL6814310A (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3624636A (en) * | 1970-03-11 | 1971-11-30 | Decca Ltd | Digitizers for sine and cosine analogue signals |
| US3601634A (en) * | 1970-07-13 | 1971-08-24 | Michel A Ebertin | Field effect transistor multiplexing circuit for time sharing a common conductor |
| US4197515A (en) * | 1977-10-05 | 1980-04-08 | Gafvert Karl O U | Synchronous filter |
| US7898333B2 (en) * | 2008-05-23 | 2011-03-01 | Teledyne Scientific & Imaging, Llc | Operational amplifier |
| US8354885B2 (en) | 2008-05-23 | 2013-01-15 | The Regents Of The University Of California | Operational amplifier |
| US8233564B2 (en) * | 2009-01-06 | 2012-07-31 | Digital Compression Technology Lp | Method and apparatus for increasing the channel capacity of a bandwidth limited communications path |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2835882A (en) * | 1955-01-27 | 1958-05-20 | Burroughs Corp | Magnetizable record reading system |
| US3013160A (en) * | 1958-06-05 | 1961-12-12 | Int Standard Electric Corp | Transitor double integrating circuit |
| US2983880A (en) * | 1959-04-13 | 1961-05-09 | Short Brothers & Harland Ltd | Oscillators |
| GB991764A (en) * | 1962-01-02 | 1965-05-12 | British Telecomm Res Ltd | Improvements in or relating to electrical signalling systems |
| US3333092A (en) * | 1964-07-14 | 1967-07-25 | Sperry Rand Corp | Alternating current integrators |
| US3368036A (en) * | 1965-05-24 | 1968-02-06 | Collins Radio Co | Demultiplexing and detecting system for predicted wave phasepulsed data transmissionsystem |
| US3369185A (en) * | 1965-05-24 | 1968-02-13 | Collins Radio Co | Rc correlator circuit for synchronous signal detection |
| US3411093A (en) * | 1965-09-02 | 1968-11-12 | Sperry Rand Corp | Frequency tracking circuits |
-
1967
- 1967-06-12 US US645447A patent/US3518557A/en not_active Expired - Lifetime
-
1968
- 1968-06-12 DE DE19681766555 patent/DE1766555A1/de active Pending
- 1968-10-07 NL NL6814310A patent/NL6814310A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1766555A1 (de) | 1971-08-26 |
| US3518557A (en) | 1970-06-30 |