THE OAK RIDGE AUTOMATIC COMPUTER
... output is at -100 volts. If the switch tube 5687 is cut off, then the regulating tube 12AT7 is allowed to function. The top (-13.5) of the transfer pulse is, accordingly, regulated. One circuit of interest is the unit gain electronic voltage divider. It is composed of two 12AT7's in cascade. The low ...
... output is at -100 volts. If the switch tube 5687 is cut off, then the regulating tube 12AT7 is allowed to function. The top (-13.5) of the transfer pulse is, accordingly, regulated. One circuit of interest is the unit gain electronic voltage divider. It is composed of two 12AT7's in cascade. The low ...
How to Measure the Loop Transfer Function of Power Supplies Introduction
... resolution (typically 20 mV per division) or the amplitude of the signal generator is set too low. Once a sine wave is visible, changing the frequency of the signal generator will lead to a change in amplitude on channel A and channel B. There will be a certain frequency when the sine waves of chann ...
... resolution (typically 20 mV per division) or the amplitude of the signal generator is set too low. Once a sine wave is visible, changing the frequency of the signal generator will lead to a change in amplitude on channel A and channel B. There will be a certain frequency when the sine waves of chann ...
Fluoroscopy Equipment
... into light photons exit the tube • Filter is used under the output phosphor layer in oblique direction to prevent in light returning to the input phosphor • Some new II use a fiber optic disc in place of the glass output screen to eliminate isotropic emission problem and transmit the image in some d ...
... into light photons exit the tube • Filter is used under the output phosphor layer in oblique direction to prevent in light returning to the input phosphor • Some new II use a fiber optic disc in place of the glass output screen to eliminate isotropic emission problem and transmit the image in some d ...
Physics 107 Recommended Demos
... Ring Launcher - In this classic demonstration of electromagnetic induction, an aluminum ring is propelled straight up a maximum distance of 2 meters. The changing magnetic field from the AC powered coil causes a changing magnetic flux through the aluminum ring. The induced EMF in the ring sets up a ...
... Ring Launcher - In this classic demonstration of electromagnetic induction, an aluminum ring is propelled straight up a maximum distance of 2 meters. The changing magnetic field from the AC powered coil causes a changing magnetic flux through the aluminum ring. The induced EMF in the ring sets up a ...
The Field Effect Transistor
... Common-source JFET amplifier Using the same transistor, build the circuit below with a power supply for VDD and a signal generator for the variable input voltages, as shown in Figure 3. For a good operating point, the drain voltage should be between 3 V and 7 V. Measure the quiescent drain voltage f ...
... Common-source JFET amplifier Using the same transistor, build the circuit below with a power supply for VDD and a signal generator for the variable input voltages, as shown in Figure 3. For a good operating point, the drain voltage should be between 3 V and 7 V. Measure the quiescent drain voltage f ...
EE 413 Communication Electronics
... when no light, and significantly low resistance when illuminated (hundred of ohms). The Toggle terminal been configured to give user an exit delay about 30s so have time to leave the room after turning it on. Optional feature Could be disable by connect pin 12 to Vcc. ...
... when no light, and significantly low resistance when illuminated (hundred of ohms). The Toggle terminal been configured to give user an exit delay about 30s so have time to leave the room after turning it on. Optional feature Could be disable by connect pin 12 to Vcc. ...
TAD – EL34-SVT High Performance Audio Beam Power Pentode
... designed to be a direct replacement for any EL34/6CA7 or equivalent. The TAD EL34-SVT / Svetlana™ EL34 is a glass envelope power pentode having a plate dissipation rating of 25 Watts with convection cooling. It is intended for audio frequency power amplification service in either pentode, ultra-line ...
... designed to be a direct replacement for any EL34/6CA7 or equivalent. The TAD EL34-SVT / Svetlana™ EL34 is a glass envelope power pentode having a plate dissipation rating of 25 Watts with convection cooling. It is intended for audio frequency power amplification service in either pentode, ultra-line ...
Alex`s Arduino Slides
... of the time the signal spends on versus the time that the signal spends off. The ...
... of the time the signal spends on versus the time that the signal spends off. The ...
Lecture 1
... The board has 18 pins that protrude from the underside and go into holes in a breadboard. These are marked LED1-8, GND, VCC, CLK, PB1-2, and SW1-4. The first system to understand is the power supply system. Digital circuits typically require two connections for power: 0 volts (called ground and labe ...
... The board has 18 pins that protrude from the underside and go into holes in a breadboard. These are marked LED1-8, GND, VCC, CLK, PB1-2, and SW1-4. The first system to understand is the power supply system. Digital circuits typically require two connections for power: 0 volts (called ground and labe ...
unit4 - University of Kentucky College of Engineering
... V is the volume of the room in cubic meters Si is the surface area of the ith surface in room (in square meters) ai is the absorption coefficient of ith surface m is the absorption coefficient of air. Discuss: The relationship between absorption, volume, and RT. ...
... V is the volume of the room in cubic meters Si is the surface area of the ith surface in room (in square meters) ai is the absorption coefficient of ith surface m is the absorption coefficient of air. Discuss: The relationship between absorption, volume, and RT. ...
Slide 1
... Capacitors are also very good at releasing their stored charge all at once. The capacitors in your tube-type TV are so good at storing energy that touching the two terminals at the same time can be fatal, even though the TV may not have been used for months. ...
... Capacitors are also very good at releasing their stored charge all at once. The capacitors in your tube-type TV are so good at storing energy that touching the two terminals at the same time can be fatal, even though the TV may not have been used for months. ...
EUP2412 500kHz Synchronous Step-Up Converter with 600mA LDO
... range is 2.2V to 5.5V, making it ideal for applications with either a 2-cell NiMH/NiCd or a single-cell lithium-ion/polymer batteries. The EUP2412 500kHz fixed frequency synchronous step-up converter uses smaller external components producing a compact solution for a wide range of load currents. Int ...
... range is 2.2V to 5.5V, making it ideal for applications with either a 2-cell NiMH/NiCd or a single-cell lithium-ion/polymer batteries. The EUP2412 500kHz fixed frequency synchronous step-up converter uses smaller external components producing a compact solution for a wide range of load currents. Int ...
The Time Constant of an RC Circuit
... positive and negative charges on opposing terminals known as “plates” - which may or may not actually be plate-like. Capacitors trace their lineage to the middle of the Eighteenth century and the invention of the Leyden jar. For forty years, the biggest names in natural philosophy spent time in the ...
... positive and negative charges on opposing terminals known as “plates” - which may or may not actually be plate-like. Capacitors trace their lineage to the middle of the Eighteenth century and the invention of the Leyden jar. For forty years, the biggest names in natural philosophy spent time in the ...
High Definition Stereo Headphone Amplifier Ear+ Purist HD Ear+ HD300
... on condition is indicated by the illumination of the pilot light. It takes about 30 seconds for the tubes to reach operating temperature ready for use. During this time, you may hear a low level hum through the headphones, which will then disappear completely. The front panel volume control acts on ...
... on condition is indicated by the illumination of the pilot light. It takes about 30 seconds for the tubes to reach operating temperature ready for use. During this time, you may hear a low level hum through the headphones, which will then disappear completely. The front panel volume control acts on ...
(Kelvin) emits radiation in vacuum at a rate in W
... Determine V1, pk and V2, pk across resistors R1 and R2 by the voltage divider method. ...
... Determine V1, pk and V2, pk across resistors R1 and R2 by the voltage divider method. ...
Radio Frequency Osc.
... selector. The frequency stability of the generator is limited by the stability of the LC oscillator circuit. Therefore, considerable attention should be directed toward design of the master oscillator. The minimally distorted sinusoidal output of the oscillator is applied to a broadband amplifie ...
... selector. The frequency stability of the generator is limited by the stability of the LC oscillator circuit. Therefore, considerable attention should be directed toward design of the master oscillator. The minimally distorted sinusoidal output of the oscillator is applied to a broadband amplifie ...
EE311: Junior EE Lab 555 Timer
... • The 555 timer uses two comparators to generate the S and R inputs to the latch – a voltage divider network of three equal valued resistors is used to generate V+=Vcc/3 for COMP1 and V-=2Vcc/3 for COMP2 – COMP2 compares the THRESHOLD to 2Vcc/3 – COMP1 compares the TRIGGER to Vcc/3 ...
... • The 555 timer uses two comparators to generate the S and R inputs to the latch – a voltage divider network of three equal valued resistors is used to generate V+=Vcc/3 for COMP1 and V-=2Vcc/3 for COMP2 – COMP2 compares the THRESHOLD to 2Vcc/3 – COMP1 compares the TRIGGER to Vcc/3 ...
Mir4
... should be between 3 and 5 Volts. It is safe to have an A-meter connected. In case of excessive current (> 100 mA), switch off immediately and check. The processor should survive a 1-2 second inversion of polarity. A high current may also be due to a transistor with a bad input connection. Both trans ...
... should be between 3 and 5 Volts. It is safe to have an A-meter connected. In case of excessive current (> 100 mA), switch off immediately and check. The processor should survive a 1-2 second inversion of polarity. A high current may also be due to a transistor with a bad input connection. Both trans ...
Frequently Asked Basic Electronics Interview Questions and
... 26) Difference between CDMA and GSM. These are the two different means of mobile communication being presently used worldwide. The basic difference lies in the Multiplexing method used in the aerial communication i.e. from Mobile Tower to your mobile and vice versa. CDMA uses Code Division Multiple ...
... 26) Difference between CDMA and GSM. These are the two different means of mobile communication being presently used worldwide. The basic difference lies in the Multiplexing method used in the aerial communication i.e. from Mobile Tower to your mobile and vice versa. CDMA uses Code Division Multiple ...
Oscilloscope history
This article discusses the history and development of oscilloscope technology.