GB513626A - Arrangement for increasing the selectivity of electric amplifying apparatus - Google Patents

Arrangement for increasing the selectivity of electric amplifying apparatus

Info

Publication number
GB513626A
GB513626A GB35379/37A GB3537937A GB513626A GB 513626 A GB513626 A GB 513626A GB 35379/37 A GB35379/37 A GB 35379/37A GB 3537937 A GB3537937 A GB 3537937A GB 513626 A GB513626 A GB 513626A
Authority
GB
United Kingdom
Prior art keywords
selectivity
increasing
arrangement
amplifying apparatus
electric amplifying
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
Application number
GB35379/37A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LADISLAS DE KRAMOLIN
Original Assignee
LADISLAS DE KRAMOLIN
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LADISLAS DE KRAMOLIN filed Critical LADISLAS DE KRAMOLIN
Publication of GB513626A publication Critical patent/GB513626A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0064—Earth or grounding circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
    • 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
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/10—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being vacuum tube
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/16—Amplitude modulation by means of discharge device having at least three electrodes
    • H03C1/18—Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid
    • H03C1/22—Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid modulating signal applied to same grid
    • 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
    • H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
    • H03D7/08—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes the signals to be mixed being applied between the same two electrodes
    • 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
    • H03D7/18—Modifications of frequency-changers for eliminating image frequencies
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/50—Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
    • H03F3/52—Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower with tubes only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/0153—Electrical filters; Controlling thereof
    • H03H7/0161—Bandpass filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/1607—Supply circuits
    • H04B1/1623—Supply circuits using tubes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/1638—Special circuits to enhance selectivity of receivers not otherwise provided for
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Rectifiers (AREA)
GB35379/37A 1937-01-30 1937-12-21 Arrangement for increasing the selectivity of electric amplifying apparatus Expired GB513626A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE513626X 1937-01-30

Publications (1)

Publication Number Publication Date
GB513626A true GB513626A (en) 1939-10-18

Family

ID=6548461

Family Applications (2)

Application Number Title Priority Date Filing Date
GB35379/37A Expired GB513626A (en) 1937-01-30 1937-12-21 Arrangement for increasing the selectivity of electric amplifying apparatus
GB26330/39A Expired GB519058A (en) 1937-01-30 1938-06-07 Arrangement for producing biassing potentials in circuits incorporating electron discharge valves

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB26330/39A Expired GB519058A (en) 1937-01-30 1938-06-07 Arrangement for producing biassing potentials in circuits incorporating electron discharge valves

Country Status (1)

Country Link
GB (2) GB513626A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1015496B (en) * 1952-12-27 1957-09-12 Gen Electric Transmission system for telephone systems with frequency conversion of the signal pulses
DE1287123B (en) * 1963-10-03 1969-01-16 Acec Magnetic element for logic circuits
EP0601927A1 (en) * 1992-12-11 1994-06-15 Thomson-Csf Semiconducteurs Specifiques Electrical circuit output stage

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1015496B (en) * 1952-12-27 1957-09-12 Gen Electric Transmission system for telephone systems with frequency conversion of the signal pulses
DE1287123B (en) * 1963-10-03 1969-01-16 Acec Magnetic element for logic circuits
EP0601927A1 (en) * 1992-12-11 1994-06-15 Thomson-Csf Semiconducteurs Specifiques Electrical circuit output stage
FR2699345A1 (en) * 1992-12-11 1994-06-17 Thomson Csf Semiconducteurs Output stage of an electrical circuit.

Also Published As

Publication number Publication date
GB519058A (en) 1940-03-14

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