ES438096A1 - Simplified switching circuit for varicaps tuners. (Machine-translation by Google Translate, not legally binding) - Google Patents

Simplified switching circuit for varicaps tuners. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES438096A1
ES438096A1 ES438096A ES438096A ES438096A1 ES 438096 A1 ES438096 A1 ES 438096A1 ES 438096 A ES438096 A ES 438096A ES 438096 A ES438096 A ES 438096A ES 438096 A1 ES438096 A1 ES 438096A1
Authority
ES
Spain
Prior art keywords
translation
machine
switching circuit
legally binding
google translate
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
ES438096A
Other languages
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.)
Fagor Electrotecnica SCL
Original Assignee
Fagor Electrotecnica SCL
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 Fagor Electrotecnica SCL filed Critical Fagor Electrotecnica SCL
Priority to ES438096A priority Critical patent/ES438096A1/en
Publication of ES438096A1 publication Critical patent/ES438096A1/en
Expired legal-status Critical Current

Links

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)

Abstract

Switching circuit for channel tuning in television appliances. The maneuvers are carried out through a switch (18) of three positions. In the position (20) the diode (11) is polarized directly and the diodes (12,17) are blocked; in this position the transistor p n p (13) is saturation. Thus, the point (2) that corresponds to the c to g of u h f and that has tension, goes to the terminal of c to g (4); the point (8), by the saturation of the transistor (13), is fooded, and therefore the commutation of the bands i/iii is put into operation. If the switch (18) is placed in the other positions, the diode (11) goes to no driving and according to the exact position is connected in addition to the cag of the vhf, the bandmaking of bands i/iii in the position (21) and is leave out such commutation in the position (22). (Machine-translation by Google Translate, not legally binding)
ES438096A 1975-05-31 1975-05-31 Simplified switching circuit for varicaps tuners. (Machine-translation by Google Translate, not legally binding) Expired ES438096A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES438096A ES438096A1 (en) 1975-05-31 1975-05-31 Simplified switching circuit for varicaps tuners. (Machine-translation by Google Translate, not legally binding)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES438096A ES438096A1 (en) 1975-05-31 1975-05-31 Simplified switching circuit for varicaps tuners. (Machine-translation by Google Translate, not legally binding)

Publications (1)

Publication Number Publication Date
ES438096A1 true ES438096A1 (en) 1977-01-16

Family

ID=8469397

Family Applications (1)

Application Number Title Priority Date Filing Date
ES438096A Expired ES438096A1 (en) 1975-05-31 1975-05-31 Simplified switching circuit for varicaps tuners. (Machine-translation by Google Translate, not legally binding)

Country Status (1)

Country Link
ES (1) ES438096A1 (en)

Similar Documents

Publication Publication Date Title
JPS5260514A (en) Tuner
ES438096A1 (en) Simplified switching circuit for varicaps tuners. (Machine-translation by Google Translate, not legally binding)
JPS568918A (en) Channel selector
ZA764974B (en) Mixer bias circuit for varactor television tuners
JPS5650618A (en) Channel selection device
JPS5361201A (en) Channel selecting device for television picture receiver
JPS55151811A (en) Band switching circuit of tuner
JPS5258317A (en) Tv receiver
JPS5733823A (en) Band switching circuit of electronic tuner in television receiver
JPS53131718A (en) Mixer coupled circuit
JPS5495101A (en) Tuner
JPS5260513A (en) Tuner
JPS523301A (en) Channel selecting device
JPS5283185A (en) Semiconductor device
DK428385A (en) COUNTER-DEPENDENT REPLACEMENT VHF MIX CIRCUIT DEVICE
JPS534446A (en) Waveguide type field effect transistor
JPS5383471A (en) Semiconductor switching device
JPS5368505A (en) Tuner
JPS5366301A (en) Channel selector
JPS526401A (en) Electronic tuner
JPS57135529A (en) Vhf tuner
JPS5213701A (en) Tv receiver tuner circuit
JPS53148954A (en) Transistor switch circuit
JPS5293201A (en) Electronic tuner for vhf
JPS57127325A (en) Channel selector of television receiver