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They are both used for similar functions, such as oscillators, amplifiers, and switches.
The vacuum tube was invented first, and has therefore been around longer than the transistor.
Wiki User
∙ 10y ago
Wiki User
∙ 14y agoThe first is a current amplifier with relative low impedance input The Second is a current amplifier of relative hi impedance input
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How many vacuum tube in one transistor?
There are no vacuum tubes in a transistor. A vacuum tube is an electronic device that uses a heated cathode in a vacuum to direct and control an electron stream to an anode, also known as the plate. The vacuum tube is old technology, but it is still used today, typically in high power applications such as transmitters. A transistor is an electronic device that uses solid-state semiconductors to similarly control an electron stream. The transistor is newer than the vacuum tube. It offers lower power, smaller size, easier use and other enhancements over vacuum tubes, within limits, of course, such as voltage and power.
Is there a PNP as in transistor vacuum tube?
No. The PNP or NPN of a transistor refers to the doping or impurities introduced to the silicon during manufacturing, and changes the polarity of the supply voltage to each pin. In a vacuum tube, the anode is always positive, the cathode is always negative. The control grid can vary between more negative than the cathode to cut off current flow, up to equal to the potential of the cathode, at which point the tube is saturated, or at full current. There is no 'reverse polarity' tube to correspond with the two types of transistor.
What is the difference between vacuum tubes and transistors?
A vacuum tube is a current amplifier where the transistor amplifies voltageA tube is a voltage amplifier. A transistor is a current amplifier. A tube is an older design that requires substantial voltage to operate correctly. A transistor is a semiconductor device that operates on relatively low voltage.
How can you replace transistor with vacuum tube?
A: ABSOLUTELY but only in its function . To implement a change requires additional power requirements and design
How does a vacuum tube work?
contains only a heated electron-emitting cathode and an anode. Electrons can only flow in one direction through the device—from the cathode to the anode. Adding one or more control grids within the tube allows the current between the cathode and anode to be controlled by the voltage on the grids.[5]
What computer component did the transistor replace?
the vacuum tube
What replaced the vacuum tube?
The transistor replaced the vacuum tube, allowing radios to get much smaller and portable.
What electronic component is a gate or switch for electrical signals?
Transistor or vacuum tube.
What is a vacuum tube used for?
The same things a transistor is used for.
What invention replaced the vacuum tube?
The answer to the question is TRANSISTER
What characteristics made the transistor better than the vacuum tube?
There were obvious differences between the trasisitor and the vacum tube. The transistor was faster, more reliable, smaller, and much cheaper to build than a vacuum tube. One transmisor was the equivalent 40 vacuum tubes. They also didn't produce heat compare it to a vacuum tubes. Conduct electricity faster and better than vacuum tubes.
How many vacuum tube in one transistor?
There are no vacuum tubes in a transistor. A vacuum tube is an electronic device that uses a heated cathode in a vacuum to direct and control an electron stream to an anode, also known as the plate. The vacuum tube is old technology, but it is still used today, typically in high power applications such as transmitters. A transistor is an electronic device that uses solid-state semiconductors to similarly control an electron stream. The transistor is newer than the vacuum tube. It offers lower power, smaller size, easier use and other enhancements over vacuum tubes, within limits, of course, such as voltage and power.
Is a vacuum tube far more stable than a transistor?
yes but vacuum tubes produce more sperm trololol
Is Vcc notation used only in a transistor circuit?
Vcc is used in bipolar transistor circuitsVdd is used in field effect transistor circuitsB+ is used in vacuum tube circuits
Is there a PNP as in transistor vacuum tube?
No. The PNP or NPN of a transistor refers to the doping or impurities introduced to the silicon during manufacturing, and changes the polarity of the supply voltage to each pin. In a vacuum tube, the anode is always positive, the cathode is always negative. The control grid can vary between more negative than the cathode to cut off current flow, up to equal to the potential of the cathode, at which point the tube is saturated, or at full current. There is no 'reverse polarity' tube to correspond with the two types of transistor.
What is transistor noise?
http://www.vias.org/transistor_basics/transistor_basics_04_05_03.html The minimum signal that can be applied to a transistor is limited by the internal noise generated by the transistor. Since the transistor does not require cathode heating (one of the major noise sources in the vacuum tubes), it is inherently capable of operating at lower noise levels than its vacuum tube brother. At present, the junction transistor is equal to the vacuum tube, insofar as its noise characteristics are concerned. The noise level of the point-contact types is between 15 and 30 db higher. see the website, there is a lot more. do more research for certainty.
What is the difference between vacuum tubes and transistors?
A vacuum tube is a current amplifier where the transistor amplifies voltageA tube is a voltage amplifier. A transistor is a current amplifier. A tube is an older design that requires substantial voltage to operate correctly. A transistor is a semiconductor device that operates on relatively low voltage.
