ES374446A1 - Un dispositivo selector de canales. - Google Patents

Un dispositivo selector de canales.

Info

Publication number
ES374446A1
ES374446A1 ES374446A ES374446A ES374446A1 ES 374446 A1 ES374446 A1 ES 374446A1 ES 374446 A ES374446 A ES 374446A ES 374446 A ES374446 A ES 374446A ES 374446 A1 ES374446 A1 ES 374446A1
Authority
ES
Spain
Prior art keywords
transistor
signals
diode
translation
base
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
ES374446A
Other languages
English (en)
Spanish (es)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES374446A1 publication Critical patent/ES374446A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03D7/12—Transference of modulation from one carrier to another, e.g. frequency-changing by means of semiconductor devices having more than two electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
ES374446A 1968-12-13 1969-12-11 Un dispositivo selector de canales. Expired ES374446A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681814523 DE1814523A1 (de) 1968-12-13 1968-12-13 Kanalwaehler

Publications (1)

Publication Number Publication Date
ES374446A1 true ES374446A1 (es) 1972-01-01

Family

ID=5716158

Family Applications (1)

Application Number Title Priority Date Filing Date
ES374446A Expired ES374446A1 (es) 1968-12-13 1969-12-11 Un dispositivo selector de canales.

Country Status (7)

Country Link
AT (1) AT291366B (enrdf_load_stackoverflow)
BE (1) BE743008A (enrdf_load_stackoverflow)
DE (1) DE1814523A1 (enrdf_load_stackoverflow)
ES (1) ES374446A1 (enrdf_load_stackoverflow)
FR (1) FR2026072A1 (enrdf_load_stackoverflow)
GB (1) GB1229366A (enrdf_load_stackoverflow)
NL (1) NL6918360A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3004205C2 (de) * 1980-02-06 1982-06-09 Standard Elektrik Lorenz Ag, 7000 Stuttgart Mischerschaltung für einen UHF/VHF-Tuner mit einem Dual-Gate-Mos-Feldeffekttransitor
DE3721092C2 (de) * 1986-08-20 1998-02-19 Ulrich Kreusel Rohrverbindungssystem
DE4020302A1 (de) * 1990-06-26 1992-01-02 Siemens Ag Sicherheitskupplung zum verbinden von gestaengeteilen, insbesondere von rohrgestaengeteilen zu rohrgestaengen

Also Published As

Publication number Publication date
FR2026072A1 (enrdf_load_stackoverflow) 1970-09-11
NL6918360A (enrdf_load_stackoverflow) 1970-06-16
DE1814523A1 (de) 1970-07-16
AT291366B (de) 1971-07-12
GB1229366A (enrdf_load_stackoverflow) 1971-04-21
BE743008A (enrdf_load_stackoverflow) 1970-06-11

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