DE2725157C2 - - Google Patents
Info
- Publication number
- DE2725157C2 DE2725157C2 DE19772725157 DE2725157A DE2725157C2 DE 2725157 C2 DE2725157 C2 DE 2725157C2 DE 19772725157 DE19772725157 DE 19772725157 DE 2725157 A DE2725157 A DE 2725157A DE 2725157 C2 DE2725157 C2 DE 2725157C2
- Authority
- DE
- Germany
- Prior art keywords
- field effect
- effect transistors
- compensation amplifier
- controlled
- amplifier according
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
- H03G1/007—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using field-effect transistors [FET]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
- G01S7/52023—Details of receivers
- G01S7/52033—Gain control of receivers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Amplifiers (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19772725157 DE2725157B1 (de) | 1977-06-03 | 1977-06-03 | Tiefenausgleichverstaerker fuer Ultraschall-Bildgeraete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19772725157 DE2725157B1 (de) | 1977-06-03 | 1977-06-03 | Tiefenausgleichverstaerker fuer Ultraschall-Bildgeraete |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2725157B1 DE2725157B1 (de) | 1978-06-15 |
| DE2725157C2 true DE2725157C2 (enExample) | 1979-02-15 |
Family
ID=6010676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772725157 Granted DE2725157B1 (de) | 1977-06-03 | 1977-06-03 | Tiefenausgleichverstaerker fuer Ultraschall-Bildgeraete |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE2725157B1 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4302774A (en) * | 1979-05-03 | 1981-11-24 | Hughes Aircraft Company | Amplitude compression and frequency compensation system |
-
1977
- 1977-06-03 DE DE19772725157 patent/DE2725157B1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2725157B1 (de) | 1978-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2363857A1 (de) | Echoskop zur untersuchung von objekten, insbesondere fuer diagnostische zwecke | |
| DE3729731A1 (de) | Ultraschall-abbildungsgeraet mit impedanzwandler | |
| DE3108407A1 (de) | "tonaudiometer" | |
| DE2725157C2 (enExample) | ||
| DE2926151C2 (de) | Ultraschall-Tomograph | |
| DE2450085A1 (de) | Schaltungsanordnung zum erzeugen eines vertikal-ablenkstromes | |
| DE2726440C2 (de) | Echounterdrückungsschaltung für Videosignale | |
| DE806862C (de) | Gegenkopplungsverstaerker mit besonders breitem Frequenzband | |
| DE2725241C2 (enExample) | ||
| DE3610190C2 (enExample) | ||
| DE2725223C2 (de) | Tiefenausgleichverstärker für Ultraschall-Bildgeräte | |
| DE965203C (de) | Verfahren und Einrichtung zur Aufzeichnung von Impulsfolgen | |
| DE1290956B (de) | Verstaerkungsschaltung in einer Fernsehapparatur | |
| DE3242127C2 (enExample) | ||
| DE929973C (de) | Fernsehempfangseinrichtung | |
| DE2401755B2 (de) | Schaltung zur Übertragung von am Ausgang eines Impulsradarempfängers erhaltenen Videosignalen an eine Auswerteeinrichtung | |
| DE887827C (de) | Elektronenroehren-Breitbandverstaerker | |
| DE3300985C1 (de) | Klick-Generator für Hirnstamm-Audiometer | |
| DE946349C (de) | Verfahren zur Verstaerkungsregelung eines Video-Verstaerkers | |
| DE938429C (de) | Schaltungsanordnung fuer Elektronenvervielfacher | |
| DE931175C (de) | Impulstrennstufe in Fernsehgeraeten | |
| DE829468C (de) | Anordnung zur asymmetrischen Beschneidung von Zeichenspannungen | |
| DE734226C (de) | Roehrenverstaerker fuer Niederfrequenz mit Dynamikregelung | |
| DE965414C (de) | Linearisierungsschaltung fuer Zeilenkippgeraete | |
| DE2148993C3 (de) | Prüfende Schaltungsanordnung mit einer Uberlagerungseinheit zur Entzerrung verzerrter Eingangssignale |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8320 | Willingness to grant licences declared (paragraph 23) | ||
| 8339 | Ceased/non-payment of the annual fee |