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beam deflection tube wikipedia jump to content main menu main menu move to sidebar hide navigation main page contents current events random article about wikipedia contact us contribute help learn to edit community portal recent changes upload file special pages search search appearance donate create account log in personal tools donate create account log in contents move to sidebar hide top 1 examples 2 see also 3 references toggle the table of contents beam deflection tube 1 language العربية edit links article talk english read edit view history tools tools move to sidebar hide actions read edit view history general what links here related changes upload file permanent link page information cite this page get shortened url switch to legacy parser print export download as pdf printable version in other projects wikidata item appearance move to sidebar hide from wikipedia the free encyclopedia vacuum tube with an electron beam deflectable to one of two anodes e1t beam deflection tube in action showing the figures 0 through 9 beam deflection tubes sometimes known as sheet beam tubes are vacuum tubes with an electron gun a beam intensity control grid a screen grid sometimes a suppressor grid and two electrostatic deflection electrodes on opposite sides of the electron beam that can direct the rectangular beam to either of two anodes in the same plane they can be used as two quadrant single balanced mixers or de modulators with very linear qualities their mode of operation is similar to one half of a gilbert cell by applying an unbalanced signal f 1 to the control grid and a balanced signal f 2 to the deflection electrodes then extracting the balanced mixing products f 1 f 2 and f 1 f 2 from the two anodes 1 2 similar to a pentagrid converter the cathode and the first two grids can be made into an oscillator two beam deflection tubes can be combined to form a double balanced mixer they need extensive shielding against external magnetic fields the ballistic deflection transistors currently under development employ a similar principle examples edit basic circuit using a beam deflection tube see also list of vacuum tubes 6218 e80t modulated beam deflection tube for pulse generation up to 375 mhz single anode version shock proof up to 500 g 7360 balanced modulator or product detector up to 100 mhz 6ar8 6jh8 6me8 analog television chroma signal demodulators used in color tv receivers more elaborate applications of the principle include 2h21 and 5593 magnetically controlled phasitron phase modulator tubes 3 used in early fm broadcast transmitters 4 5 6090 18 channel analog demultiplexer for telecomms receiving channel banks an electrostatic deflection field determines which one out of 18 anodes receives the electron beam controlled by a common grid 6 6170 and 6324 25 channel analog multiplexer for telecomms transmitting channel banks a rotating magnetic deflection field determines through which one out of 25 grids the electron beam passes to the common anode 7 6462 magnetic pickup tube a 1 axis magnetometer with approx 1 g 100 μt resolution the electron beam is electrostatically centered between two anodes while no magnetic field is present the magnetic field to be detected will then deflect the beam more towards one of the anodes resulting in an imbalance between the two anode currents e1t trochotron with a fluorescent screen readout qk329 square law tube for use as a function generator in analog computers a flat sheet beam is deflected across the anode which is partially covered by a parabolically stenciled screen grid that acts as the tube s output 8 parallel output pcm tube an analog to digital converter with per bit vertical anode bars with perforations encoding the gray code 9 a flat horizontal sheet beam was then vertically deflected by the input analog signal across the perforated anode array causing the digital representation of the analog signal to appear on the anodes with two axis deflection serial output pcm tube an analog to digital converter with one anode having binary encoding perforations 10 11 as in an oscilloscope the beam was swept horizontally by a sawtooth wave at the sample rate while the vertical deflection was controlled by the input analog signal causing the beam to pass through higher or lower portions of the perforated anode the anode collected or passed the beam producing current variations in binary code one bit at a time ck1414 character generator monoscope for text mode video rendering in early computer monitors with a square target having letters digits and symbols patterned on it in a customer supplied 8x8 or 8x12 array an electron beam selects and scans a character both by appropriate deflection and generates an analog video signal 12 13 7828 scan conversion tube an analog video standards transcoder consisting of a crt camera tube combination the crt part does not write onto a phosphor but onto a thin dielectric target the camera part reads the deposited charge pattern at a different scan rate from the back side of this target 14 the setup could also be used as a genlock see also edit selectron tube storage tube williams tube references edit electronics portal m b knight 1960 a new miniature beam deflection tube pdf rca electron tube division retrieved january 22 2017 h c vance k2ff 1960 ssb exciter circuits using a new beam deflection tube pdf qst retrieved may 30 2013 cite web cs1 maint numeric names authors list link gl 2h21 phasitron general electric september 1945 retrieved 25 august 2016 robert adler january 1947 a new system of frequency modulation pdf institute of radio engineers retrieved 25 august 2016 rider john f seymour d uslan 1948 the general electric transmitter pdf john f rider retrieved 25 august 2016 6090 18 channel radial beam tube multiple anode type data sheet pdf national union electric corporation january 1956 retrieved 15 june 2013 6170 6324 25 channel radial beam tube multiple grid type data sheet pdf national union electric corporation december 1955 retrieved 15 june 2013 miller joseph a soltes aaron s scott ronald e february 1955 wide band analog function multiplier pdf electronics retrieved 15 june 2013 goodall w m january 1951 bell systems technical journal vol 30 television by pulse code modulation bell labs pp 33 49 retrieved 14 may 2017 sears r w january 1948 bell systems technical journal vol 27 electron beam deflection tube for pulse code modulation bell labs pp 44 57 retrieved 14 may 2017 us patent 2632058 ck1414 symbolray character generating cathode ray tube data sheet pdf raytheon company components division industrial components operation 15 april 1966 retrieved 29 july 2017 symbolray application note pdf raytheon company components division industrial components operation retrieved 24 august 2017 gec 7828 scan conversion tube data sheet pdf general electric corporation 10 april 1961 retrieved 21 april 2017 v t e electronic components semiconductor devices mos transistors transistor nmos pmos bicmos biofet chemical field effect transistor chemfet complementary mos cmos depletion load nmos fin field effect transistor finfet floating gate mosfet fgmos insulated gate bipolar transistor igbt isfet ldmos mos field effect transistor mosfet multi gate field effect transistor mugfet power mosfet thin film transistor tft vmos umos qfet tunnel field effect transistor tfet high electron mobility transistor hemt rf cmos native transistor other transistors bipolar junction transistor bjt darlington transistor diffused junction transistor field effect transistor fet junction gate fet jfet organic fet ofet light emitting transistor let pentode transistor point contact transistor programmable unijunction transistor put static induction transistor sit tetrode transistor nanoscale vacuum channel transistor nvct single electron transistor set heterojunction bipolar transistor hbt mesfet heterostructure emitter bipolar transistor hebt itfet avalanche transistor junctionless nanowire transistor jlnt schottky transistor spin transistor ballistic collection transistor ballistic deflection transistor bdt drift field transistor organic electrochemical transistor oect spacistor surface barrier transistor synaptic transistor oxide thin film transistor nomfet grown junction transistor eosfet alloy junction transistor fe fet dna field effect transistor dnafet diodes avalanche diode shockley diode selenium rectifier fast diode single photon avalanche diode spad constant current diode cld crd gunn diode varicap impatt diode metal insulator metal diode mim diode transient voltage suppression diode tvs diode laser diode ld light emitting diode led organic light emitting diode oled photodiode pin diode p n diode tunnel diode avalanche photodiode apd solar cell multi junction solar cell mj hybrid solar cell schottky junction solar cell plasmonic solar cell heterojunction solar cell hjt schottky diode step recovery diode srd zener diode resonant tunneling diode rtd photoreflector backward diode geometric diode lr diode chua s diode baritt diode stabistor phosphorescent organic light emitting diode pholed thin film diode superluminescent diode sld josephson diode hole accumulation diode had silicon photomultiplier sipm metal rectifier bifacial solar cells bsc integrated circuits hybrid integrated circuit hic mixed signal integrated circuit mos integrated circuit mos ic three dimensional integrated circuit 3d ic photonic integrated circuit pic application specific integrated circuit asic field programmable gate array fpga system on a chip soc other devices diac heterostructure barrier varactor light emitting capacitor lec memistor memristor memtransistor memory cell metal oxide varistor mov organic semiconductor photodetector silicon controlled rectifier scr silicon controlled switch scs solaristor static induction thyristor sith thyristor trancitor triac varicap vertical cavity surface emitting laser vcsel gate turn off thyristor gto integrated gate commutated thyristor igct unijunction transistor ujt quantum cascade laser qcl photoresistor quantum dot display quantum dot solar cell photoelectrochemical cell dye sensitized solar cell plasmonic solar cell quantum dot laser quadrac interband cascade laser icl oscillistor mos composite static induction thyristor csmt mos controlled thyristor mct resistive opto isolator ro emitter turn off thyristor eto trisil quantum well infrared photodetector qwip quantum cascade detector qcd resonant cavity enhanced photo detector rce golay cell hybrid pixel detector semiconductor detector voltage regulators linear regulator low dropout regulator switching regulator buck boost buck boost split pi ćuk sepic charge pump switched capacitor vacuum tubes standard acorn tube audion beam tetrode barretter compactron diode fleming valve neutron tube nonode nuvistor pentagrid hexode heptode octode pentode photomultiplier pmt phototube tetrode triode x ray tube double diode triode additron tube computron tube micropup rf backward wave oscillator bwo cavity magnetron crossed field amplifier cfa gyrotron inductive output tube iot klystron maser sutton tube traveling wave tube twt vircator cathode ray tubes beam deflection tube charactron iconoscope magic eye tube monoscope selectron tube storage tube trochotron video camera tube williams tube gas filled tubes crossatron dekatron ignitron krytron mercury arc valve nixie tube thyratron trigatron voltage regulator tube geiger müller tube wire chamber neon lamp adjustable potentiometer digital variable capacitor varicap passive connector audio and video electrical power rf ferrite antifuse fuse resettable efuse resistor switch thermistor varistor reactive capacitor types ceramic resonator crystal oscillator inductor relay reed relay mercury relay other devices hall effect sensor squid spin valve magnetic tunnel junction mtj planar hall sensor ggnmos v t e thermionic valves theoretical principles thermionic emission work function hot cathode space charge control grid suppressor grid anode glowing anode getter types diode audion triode acorn tube nuvistor tetrode beam tetrode pentode pentagrid hexode heptode octode nonode cathode ray tube additron backward wave oscillator beam deflection tube charactron compactron eidophor iconoscope inductive output tube kinescope klystron magic eye magnetron monoscope phototube photomultiplier selectron tube storage tube sutton tube talaria projector traveling wave tube trochotron video camera tube williams tube fleming valve numbering systems rma retma marconi osram mullard philips jis russian examples list of vacuum tubes list of tube sockets retrieved from https en wikipedia org w index php title beam_deflection_tube oldid 1310435541 categories frequency mixers vacuum tubes hidden categories articles with short description short description with empty wikidata description cs1 maint numeric names authors list this page was last edited on 9 september 2025 at 15 47 utc page was rendered with parsoid 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