GB1590674A - Oscillators - Google Patents
Oscillators Download PDFInfo
- Publication number
- GB1590674A GB1590674A GB8/77A GB877A GB1590674A GB 1590674 A GB1590674 A GB 1590674A GB 8/77 A GB8/77 A GB 8/77A GB 877 A GB877 A GB 877A GB 1590674 A GB1590674 A GB 1590674A
- Authority
- GB
- United Kingdom
- Prior art keywords
- circuits
- oscillator arrangement
- loop
- amplifier
- switch
- 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
- 230000010355 oscillation Effects 0.000 claims description 8
- 238000010897 surface acoustic wave method Methods 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
- H03B5/326—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator the resonator being an acoustic wave device, e.g. SAW or BAW device
-
- 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
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/38—Jamming means, e.g. producing false echoes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/40—Jamming having variable characteristics
- H04K3/41—Jamming having variable characteristics characterized by the control of the jamming activation or deactivation time
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/40—Jamming having variable characteristics
- H04K3/42—Jamming having variable characteristics characterized by the control of the jamming frequency or wavelength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/40—Jamming having variable characteristics
- H04K3/45—Jamming having variable characteristics characterized by including monitoring of the target or target signal, e.g. in reactive jammers or follower jammers for example by means of an alternation of jamming phases and monitoring phases, called "look-through mode"
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/40—Jamming having variable characteristics
- H04K3/46—Jamming having variable characteristics characterized in that the jamming signal is produced by retransmitting a received signal, after delay or processing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Amplifiers (AREA)
- Noise Elimination (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8/77A GB1590674A (en) | 1977-01-04 | 1977-01-04 | Oscillators |
FR7800076A FR2376555A1 (fr) | 1977-01-04 | 1978-01-03 | Oscillateur pour circuit d'arret de radar |
US05/866,712 US4160957A (en) | 1977-01-04 | 1978-01-03 | Signal re-generation apparatus |
DE2800327A DE2800327C2 (de) | 1977-01-04 | 1978-01-04 | Oszillatoranordnung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8/77A GB1590674A (en) | 1977-01-04 | 1977-01-04 | Oscillators |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1590674A true GB1590674A (en) | 1981-06-03 |
Family
ID=9696701
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8/77A Expired GB1590674A (en) | 1977-01-04 | 1977-01-04 | Oscillators |
Country Status (4)
Country | Link |
---|---|
US (1) | US4160957A (US06534493-20030318-C00166.png) |
DE (1) | DE2800327C2 (US06534493-20030318-C00166.png) |
FR (1) | FR2376555A1 (US06534493-20030318-C00166.png) |
GB (1) | GB1590674A (US06534493-20030318-C00166.png) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4484150A (en) * | 1980-06-27 | 1984-11-20 | Carver R W | High efficiency, light weight audio amplifier and power supply |
US4816832A (en) * | 1986-02-19 | 1989-03-28 | R & D Associates | Continuous repeater target dental device |
JP2995076B2 (ja) * | 1990-07-24 | 1999-12-27 | 富士通株式会社 | 半導体装置 |
US5588057A (en) * | 1993-05-04 | 1996-12-24 | Voodoo Scientific, Inc. | Apparatus for defeating radar speed detection signals |
US20090214205A1 (en) * | 2005-12-07 | 2009-08-27 | Sierra Nevada Corporation , A Corporation | Communications and data link jammer incorporating fiber-optic delay line technology |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE978041C (de) * | 1960-09-22 | 1976-10-21 | Siemens Ag | Verfahren zur Stoerung des Funkverkehrs unter Verwendung eines starken Stoersenders |
US3225300A (en) * | 1962-05-02 | 1965-12-21 | Sperry Rand Corp | Automatic noise jamming multicarrier f.m. system |
GB1451326A (en) * | 1973-02-16 | 1976-09-29 | Nat Res Dev | Acoustic wave devices |
GB1483735A (en) * | 1973-11-09 | 1977-08-24 | Secr Defence | Acoustic wave oscillator |
-
1977
- 1977-01-04 GB GB8/77A patent/GB1590674A/en not_active Expired
-
1978
- 1978-01-03 FR FR7800076A patent/FR2376555A1/fr active Granted
- 1978-01-03 US US05/866,712 patent/US4160957A/en not_active Expired - Lifetime
- 1978-01-04 DE DE2800327A patent/DE2800327C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2800327A1 (de) | 1978-07-13 |
FR2376555B1 (US06534493-20030318-C00166.png) | 1982-07-23 |
FR2376555A1 (fr) | 1978-07-28 |
DE2800327C2 (de) | 1986-08-21 |
US4160957A (en) | 1979-07-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |