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Filament Work Function (2001 Vossen Winner)
... The energy required to remove an electron from the Fermi-level of a metal and free it from the influence of that metal is a property of the metal itself. This property is known as the metal’s work function (φ) (Oxford Paperback Reference, 1990). Before the advent of transistors, vacuum tubes were us ...
... The energy required to remove an electron from the Fermi-level of a metal and free it from the influence of that metal is a property of the metal itself. This property is known as the metal’s work function (φ) (Oxford Paperback Reference, 1990). Before the advent of transistors, vacuum tubes were us ...
Calvane Heaters - FV
... electrical heating source. They are designed for installations requiring size and weight control, where heater sheath temperatures below 316°C (600°F) can be maintained. The heaters are used primarily in natural and forced convection heating applications such as aircraft and transit car comfort heat ...
... electrical heating source. They are designed for installations requiring size and weight control, where heater sheath temperatures below 316°C (600°F) can be maintained. The heaters are used primarily in natural and forced convection heating applications such as aircraft and transit car comfort heat ...
Accordion Amplifier
... has no other connection to the power supply other than through the output tubes. Thus, if the chain (the electrical circuit) is broken at any point, the current ceases to flow. For example, imagine removing one output tube while the amplifier is in use. Furthermore, since there is but one current pa ...
... has no other connection to the power supply other than through the output tubes. Thus, if the chain (the electrical circuit) is broken at any point, the current ceases to flow. For example, imagine removing one output tube while the amplifier is in use. Furthermore, since there is but one current pa ...
Maximizing the Life of the X-ray Tube Filament
... and filament longevity. Of importance to those users seeking a small X-ray focal spot, the relationship between a smaller wire filament and a small focal spot is well established. (This applies only to small focal spots when utilizing a tungsten wire filament. In the case of microfocus X-ray tubes, ...
... and filament longevity. Of importance to those users seeking a small X-ray focal spot, the relationship between a smaller wire filament and a small focal spot is well established. (This applies only to small focal spots when utilizing a tungsten wire filament. In the case of microfocus X-ray tubes, ...
SUN FROST - African Energy
... While the freezer is defrosting, vaccines may be stored in an insulated container and kept cold with ice from the freezer section. If an insulated container is not available, a box lined with a towel or piece of clothing may be used, or the refrigerator section may be kept cold by placing several ic ...
... While the freezer is defrosting, vaccines may be stored in an insulated container and kept cold with ice from the freezer section. If an insulated container is not available, a box lined with a towel or piece of clothing may be used, or the refrigerator section may be kept cold by placing several ic ...
VACUUM-TUBE BRIDGE
... 5-pin, 6-pin, small 7-pin, large 7-pin, octal, locking in, miniature button 7-pin, miniature button 9-pin (noval), acorn (5- and 7-pin), flat-press sub-miniature up to 7 wires, and S-wire sub-minar. For short-lead sub-miniature tubes and for transistors, sockets are supplied which can be mounted on ...
... 5-pin, 6-pin, small 7-pin, large 7-pin, octal, locking in, miniature button 7-pin, miniature button 9-pin (noval), acorn (5- and 7-pin), flat-press sub-miniature up to 7 wires, and S-wire sub-minar. For short-lead sub-miniature tubes and for transistors, sockets are supplied which can be mounted on ...
Cutoff Variations Due to Barium Evaporation
... cathodes. Although oxide cathodes have a low work function (~1 .5 eV), they are not suitable for high current density (10 A/cm2), high-brightness applications due to the relatively high resistivity of the coating (giving rise to a voltage drop and Joule heating at high current density). (11 Dispense ...
... cathodes. Although oxide cathodes have a low work function (~1 .5 eV), they are not suitable for high current density (10 A/cm2), high-brightness applications due to the relatively high resistivity of the coating (giving rise to a voltage drop and Joule heating at high current density). (11 Dispense ...
parasitic-oscillatio..
... resonance frequency that is inherent with the tube's construction and the EMF surrouding it. Once you hit this frequency, the tube starts to go ballistic and sucks (I guess this is where the term "parasitic" came from) all kinds of juice from the PS. Meanwhile, electron flow is altered within the tu ...
... resonance frequency that is inherent with the tube's construction and the EMF surrouding it. Once you hit this frequency, the tube starts to go ballistic and sucks (I guess this is where the term "parasitic" came from) all kinds of juice from the PS. Meanwhile, electron flow is altered within the tu ...
Pendulum MDP-1 Operating Manual
... vacuum tube Mic/DI preamp designed to be the ultimate way to get your mic or source directly to tape or hard disk. Unlike vintage or hybrid designs, the MDP-1 uses a pure tube, class A high voltage circuit topology with a transformerless output stage to deliver an open, intimate sound with a level o ...
... vacuum tube Mic/DI preamp designed to be the ultimate way to get your mic or source directly to tape or hard disk. Unlike vintage or hybrid designs, the MDP-1 uses a pure tube, class A high voltage circuit topology with a transformerless output stage to deliver an open, intimate sound with a level o ...
ELEC 103 LABORATORY EXERCISE 2 VOLTAGE
... voltages add in a series aiding connection. Select the appropriate meter range and measure the voltage across the two batteries. Draw a schematic of the circuit, including the voltmeter, in the space provided on the datasheet. Also, record the measured voltage. Connect the positive terminal of one 6 ...
... voltages add in a series aiding connection. Select the appropriate meter range and measure the voltage across the two batteries. Draw a schematic of the circuit, including the voltmeter, in the space provided on the datasheet. Also, record the measured voltage. Connect the positive terminal of one 6 ...
103_lab02
... voltages add in a series aiding connection. Select the appropriate meter range and measure the voltage across the two batteries. Draw a schematic of the circuit, including the voltmeter, in the space provided on the datasheet. Also, record the measured voltage. Connect the positive terminal of one 6 ...
... voltages add in a series aiding connection. Select the appropriate meter range and measure the voltage across the two batteries. Draw a schematic of the circuit, including the voltmeter, in the space provided on the datasheet. Also, record the measured voltage. Connect the positive terminal of one 6 ...
CU900 SERIES Submittal Sheet
... u Steel plate fin elements are copper brazed to low watt density, steel-sheathed tubular heating elements. (80/20 NiCh resistance wire). Element is finished with aluminized paint for corrosion resistance. Fins and elements are arranged in a uniform grid pattern and fit closely into the discharge ar ...
... u Steel plate fin elements are copper brazed to low watt density, steel-sheathed tubular heating elements. (80/20 NiCh resistance wire). Element is finished with aluminized paint for corrosion resistance. Fins and elements are arranged in a uniform grid pattern and fit closely into the discharge ar ...
awa_3-7490r - KevinChant.com
... constant by varying the plate voltage of the oscillator valve (“SET CARRIER” control). The voltmeter employs two acorn diodes, one being used in conjunction with a potentiometer (“SET ZERO” control) to supply a “backing-off” potential. Modulation is provided by a Colpitt's type oscillator, and is ap ...
... constant by varying the plate voltage of the oscillator valve (“SET CARRIER” control). The voltmeter employs two acorn diodes, one being used in conjunction with a potentiometer (“SET ZERO” control) to supply a “backing-off” potential. Modulation is provided by a Colpitt's type oscillator, and is ap ...
DM74LS112A Dual Negative-Edge-Triggered Master-Slave J
... Note 6: All typicals are at VCC = 5V, TA = 25°C. Note 7: Not more than one output should be shorted at a time, and the duration should not exceed one second. For devices, with feedback from the outputs, where shorting the outputs to ground may cause the outputs to change logic state an equivalent te ...
... Note 6: All typicals are at VCC = 5V, TA = 25°C. Note 7: Not more than one output should be shorted at a time, and the duration should not exceed one second. For devices, with feedback from the outputs, where shorting the outputs to ground may cause the outputs to change logic state an equivalent te ...
The Pullen Mixer
... should be drawn, and the endpoint values of it used in Eq. (1). Calculation of the amplifications at the positive and negative voltage limits of the signal for the triode mixer is fairly conventional once the proper load lines have been plotted and the impedance and conductance data tabulated. As a ...
... should be drawn, and the endpoint values of it used in Eq. (1). Calculation of the amplifications at the positive and negative voltage limits of the signal for the triode mixer is fairly conventional once the proper load lines have been plotted and the impedance and conductance data tabulated. As a ...
74VHCT574A Octal D-Type Flip-Flop with 3-STATE Outputs 7 4
... CMOS technology. It achieves the high speed operation similar to equivalent Bipolar Schottky TTL while maintaining the CMOS low power dissipation. This 8-bit D-type flipflop is controlled by a clock input (CP) and an Output Enable input (OE). When the OE input is HIGH, the eight outputs are in a hig ...
... CMOS technology. It achieves the high speed operation similar to equivalent Bipolar Schottky TTL while maintaining the CMOS low power dissipation. This 8-bit D-type flipflop is controlled by a clock input (CP) and an Output Enable input (OE). When the OE input is HIGH, the eight outputs are in a hig ...
DM74LS74A Dual Positive-Edge-Triggered D Flip
... Note 7: All typicals are at VCC = 5V, TA = 25°C. Note 8: Not more than one output should be shorted at a time, and the duration should not exceed one second. For devices, with feedback from the outputs, where shorting the outputs to ground may cause the outputs to change logic state an equivalent te ...
... Note 7: All typicals are at VCC = 5V, TA = 25°C. Note 8: Not more than one output should be shorted at a time, and the duration should not exceed one second. For devices, with feedback from the outputs, where shorting the outputs to ground may cause the outputs to change logic state an equivalent te ...
MARSHALL MYTHS
... to EL34s did not come with many circuit design changes. In general, Beam Power tubes (such as the 6V6 and 6L6) will exhibit less of a potentially damaging Screen-Grid current rise at maximum signal excursions than Power Pentodes (such as the EL34 and 6BQ5/EL84). Marshall took the standard procedure ...
... to EL34s did not come with many circuit design changes. In general, Beam Power tubes (such as the 6V6 and 6L6) will exhibit less of a potentially damaging Screen-Grid current rise at maximum signal excursions than Power Pentodes (such as the EL34 and 6BQ5/EL84). Marshall took the standard procedure ...
Cntfet Technology Based Precision Full
... cannot rectify signals whose amplitudes are less than the threshold voltage(approximately 0.7V for silicon diode and approximately 0.3 for germanium diode).As a result diode-only rectifiers are used in only those applications in which the precision in the range of threshold voltage is insignificant, ...
... cannot rectify signals whose amplitudes are less than the threshold voltage(approximately 0.7V for silicon diode and approximately 0.3 for germanium diode).As a result diode-only rectifiers are used in only those applications in which the precision in the range of threshold voltage is insignificant, ...
1. Introduction - 123SeminarsOnly.com
... quasi crystalline structures are all straightforward to compute. The network resulting from such a computation will be composed of computational groups (e.g., S, K,A) as well as inert groups, which are manipulated by the computation but do not affect it. Typically, in these applications the computat ...
... quasi crystalline structures are all straightforward to compute. The network resulting from such a computation will be composed of computational groups (e.g., S, K,A) as well as inert groups, which are manipulated by the computation but do not affect it. Typically, in these applications the computat ...
Sencore Blows Away CRT Failures With CR7000
... as good as the day they were manufactured. In the process, I have saved operators and Arcade School students hundreds of dollars in CRT replacement costs. I saved $400 just by restoring one high resolution CRT! What is it? First of all. Sencore's CR7000 BeamRite will test all types of picture tubes. ...
... as good as the day they were manufactured. In the process, I have saved operators and Arcade School students hundreds of dollars in CRT replacement costs. I saved $400 just by restoring one high resolution CRT! What is it? First of all. Sencore's CR7000 BeamRite will test all types of picture tubes. ...
Ari Polisois Simplex
... 220V across the rectifying bridge (I used four 1N5408 diodes, rated 1000V 3 Amps, followed by a 220 µF 350V good quality electrolytic). From my experience, it is better to build, at first, the driver section and its power supply on one chassis, on which you fitted, at the same time, the 6C33C's sock ...
... 220V across the rectifying bridge (I used four 1N5408 diodes, rated 1000V 3 Amps, followed by a 220 µF 350V good quality electrolytic). From my experience, it is better to build, at first, the driver section and its power supply on one chassis, on which you fitted, at the same time, the 6C33C's sock ...
Installer`s Guide Single Power Entry Kit BAYSPEK060E to
... IMPORTANT: The two (2) nameplate labels included with the single power entry kit must be attached to the air conditioning unit or heat pump unit as illustrated below. The smaller label MUST be placed over the unit rating nameplate to cover the unit only MIN CKT AMPS and Fuse/Circuit Breaker Size. Th ...
... IMPORTANT: The two (2) nameplate labels included with the single power entry kit must be attached to the air conditioning unit or heat pump unit as illustrated below. The smaller label MUST be placed over the unit rating nameplate to cover the unit only MIN CKT AMPS and Fuse/Circuit Breaker Size. Th ...
Electron Transport in Single-Walled Carbon
... both p- and n-type, has been accomplished in a number of ways. Doping with alkali metals that donate electrons to the tube was first used to create n-type devices and later n-type transistors,35–37 p–n junctions,38 and p–n–p devices.39 Alkali metals are not stable in air, however, so other technique ...
... both p- and n-type, has been accomplished in a number of ways. Doping with alkali metals that donate electrons to the tube was first used to create n-type devices and later n-type transistors,35–37 p–n junctions,38 and p–n–p devices.39 Alkali metals are not stable in air, however, so other technique ...