![CONVENTIONAL - Optical Smoke Beam Detector Model 6500R and](http://s1.studyres.com/store/data/006141850_1-7ebe7b71a33ed54a59db6914c4501126-300x300.png)
CONVENTIONAL - Optical Smoke Beam Detector Model 6500R and
... The 6500RS and 6500R are conventional reflector- type linear optical beam smoke detectors designed to operate as components of conventional fire alarm systems. They operate primarily on the principle of light obscuration utilising an Infra-Red beam. Optical beam smoke detectors are particularly appr ...
... The 6500RS and 6500R are conventional reflector- type linear optical beam smoke detectors designed to operate as components of conventional fire alarm systems. They operate primarily on the principle of light obscuration utilising an Infra-Red beam. Optical beam smoke detectors are particularly appr ...
OLED Display.pdf - 123SeminarsOnly.com
... films between two charged electrodes, one a metallic cathode and one a transparent anode, usually being glass. The organic films consist of a hole-injection layer, a hole-transport layer, an emissive layer and an electron-transport layer. When voltage is applied to the OLED cell, the injected positi ...
... films between two charged electrodes, one a metallic cathode and one a transparent anode, usually being glass. The organic films consist of a hole-injection layer, a hole-transport layer, an emissive layer and an electron-transport layer. When voltage is applied to the OLED cell, the injected positi ...
Opto-electronics - Electrical Revision Page
... allows current to flow significantly in one direction only. Three things that must be considered when using LEDs: The forward biased voltage drop is relatively high when compared to standard signal or rectifier diodes (0.7V), often in the order of 2.5V, although this varies on the colour and type of ...
... allows current to flow significantly in one direction only. Three things that must be considered when using LEDs: The forward biased voltage drop is relatively high when compared to standard signal or rectifier diodes (0.7V), often in the order of 2.5V, although this varies on the colour and type of ...
Electronics-I Lecture-3
... In real diodes, the forward biased diode voltage does not remain fixed when applied potential is increased. It increases with the applied voltage a little. This increase in potential is due to 1. Semiconductor body resistance 2. Contact resistance Consequently, as the applied voltage is incre ...
... In real diodes, the forward biased diode voltage does not remain fixed when applied potential is increased. It increases with the applied voltage a little. This increase in potential is due to 1. Semiconductor body resistance 2. Contact resistance Consequently, as the applied voltage is incre ...
Application of Laser Vibrometer
... signal is either not passed by the tuned circuitry that follows, or may be filtered out. ...
... signal is either not passed by the tuned circuitry that follows, or may be filtered out. ...
Problem 2. - ShareStudies.com
... of 40 + j70. Using a Smith Chart find the following. Plot the normalized impedance, determine the normalized admittance, determine the actual admittance, calculate VSWR, and the reflection coefficient. Problem 2. A 50ohm lossless transmission line is terminated in a real load impedance RL = 10. Us ...
... of 40 + j70. Using a Smith Chart find the following. Plot the normalized impedance, determine the normalized admittance, determine the actual admittance, calculate VSWR, and the reflection coefficient. Problem 2. A 50ohm lossless transmission line is terminated in a real load impedance RL = 10. Us ...
Lighting_Comm__Charl..
... For LEDs to achieve long lifetimes in the range of 25,000 to 50,000 hours, the temperature of the junction must be under 75°C. Also, once the junction temperature reaches over 125°C, problems with LEDs become a lot more common. ...
... For LEDs to achieve long lifetimes in the range of 25,000 to 50,000 hours, the temperature of the junction must be under 75°C. Also, once the junction temperature reaches over 125°C, problems with LEDs become a lot more common. ...
Finding Globally Optimum Solutions in Antenna Optimization Problems
... Equations (4), (5), (6), and (9) convert the abovementioned optimization problem to a convex problem with a simple form. This means that, the best solution (the globally optimum solution) for this optimization problem can be found. This convex representation is equivalent to a linear matrix inequali ...
... Equations (4), (5), (6), and (9) convert the abovementioned optimization problem to a convex problem with a simple form. This means that, the best solution (the globally optimum solution) for this optimization problem can be found. This convex representation is equivalent to a linear matrix inequali ...
ECE 6130 Lab 4: Diode Detector
... a. Solder on the diode and capacitor using the surface-mount soldering equipment. b. Solder wires through the holes from ground to make necessary short circuits using regular solder equipment. Measurements / Week 2: 4. Test your circuit on the network analyzer. a. Measure S11 for the diode detector. ...
... a. Solder on the diode and capacitor using the surface-mount soldering equipment. b. Solder wires through the holes from ground to make necessary short circuits using regular solder equipment. Measurements / Week 2: 4. Test your circuit on the network analyzer. a. Measure S11 for the diode detector. ...
HF Antennas for Beginners – 30 Meters and Below - N0GW
... know how critical the subject is. There is a lot to think about when starting out. Setting up proper antennas often slips to the bottom of the priority list. After a few years of experience, that would never be the case. The next time you hear one of those 40 dB over S9 signals, think about this: he ...
... know how critical the subject is. There is a lot to think about when starting out. Setting up proper antennas often slips to the bottom of the priority list. After a few years of experience, that would never be the case. The next time you hear one of those 40 dB over S9 signals, think about this: he ...
Lab #3 Guide
... and Cr. In order to achieve the best possible electrical conductivity (and reduce the voltage losses associated with resistance), metallic films are typically used at large thicknesses that result in total opacity. In other words, light cannot pass through the films, and they act essentially as mirr ...
... and Cr. In order to achieve the best possible electrical conductivity (and reduce the voltage losses associated with resistance), metallic films are typically used at large thicknesses that result in total opacity. In other words, light cannot pass through the films, and they act essentially as mirr ...
$doc.title
... ◆ Load line is set of all possible values of IC vs. VCE for the circuit in hand. ◆ Assume same circuit as previous page and we know R3 and R4. ◆ If we neglect the base current, then 15 = I C (R 3 + R 4 ) + VCE I C = 15 /(R 3 + R 4 ) − VCE /(R 3 + R 4 ) ◆ The above is a straight line in (IC, VCE) spa ...
... ◆ Load line is set of all possible values of IC vs. VCE for the circuit in hand. ◆ Assume same circuit as previous page and we know R3 and R4. ◆ If we neglect the base current, then 15 = I C (R 3 + R 4 ) + VCE I C = 15 /(R 3 + R 4 ) − VCE /(R 3 + R 4 ) ◆ The above is a straight line in (IC, VCE) spa ...
datasheet
... The SFH250 is a low-cost 650nm receiver diode for simple optical data transmission with polymer optical fiber. It incorporates an analog photodiode and can be used for speeds up to 100MBd. ...
... The SFH250 is a low-cost 650nm receiver diode for simple optical data transmission with polymer optical fiber. It incorporates an analog photodiode and can be used for speeds up to 100MBd. ...
shure uhf wireless system
... All receivers shall be digitally synthesized and shall be compatible with the standard 19” full rack space format. They shall utilize a digital microprocessor to adjust such parameters as NAME, GROUP/ CHANNEL, FREQUENCY, SQUELCH, and LOCK. All receivers shall utilize audio combining diversity circui ...
... All receivers shall be digitally synthesized and shall be compatible with the standard 19” full rack space format. They shall utilize a digital microprocessor to adjust such parameters as NAME, GROUP/ CHANNEL, FREQUENCY, SQUELCH, and LOCK. All receivers shall utilize audio combining diversity circui ...
ID SERIES DATASHEET Mar 01, 2005
... There is a science to determine the exact size of an antenna but there are so many variables that in general it is best to get a general idea after which a degree of ‘Try it and see’ is unavoidable. If the reader is located in a position where there is a lot of heavy interference then less range can ...
... There is a science to determine the exact size of an antenna but there are so many variables that in general it is best to get a general idea after which a degree of ‘Try it and see’ is unavoidable. If the reader is located in a position where there is a lot of heavy interference then less range can ...
AEEE456TheoreticalQuestionsFall2016
... Even if identical devices are used, there will be different current characteristics due to the manufacturing processes. To match exactly the V-I characteristics for the parallel connected diodes, equal current sharing must be achieved by providing equal inductances (e.g., in the leads) or by connect ...
... Even if identical devices are used, there will be different current characteristics due to the manufacturing processes. To match exactly the V-I characteristics for the parallel connected diodes, equal current sharing must be achieved by providing equal inductances (e.g., in the leads) or by connect ...
Optical Smoke Detector Salwico DOS3
... The sensor employs an alarm verification function, which requires two successive pulses before an alarm is given. The detector design provides strong immunity to air velocities, contamination and EMC. By means of a special protective mesh it is ensured that smoke can enter the detector easily whilst ...
... The sensor employs an alarm verification function, which requires two successive pulses before an alarm is given. The detector design provides strong immunity to air velocities, contamination and EMC. By means of a special protective mesh it is ensured that smoke can enter the detector easily whilst ...
D12E12Safety1\4Curr\emet
... materials. When a n-type doping materials (e.g. arsenic) is defused into the exposed parts of the surface of a p-type silicon crystal, a thin layer of n-type material will form at the surface where a diffusion has taking place 7.3.2 The term “junction” is used, the p and n-type materials form part o ...
... materials. When a n-type doping materials (e.g. arsenic) is defused into the exposed parts of the surface of a p-type silicon crystal, a thin layer of n-type material will form at the surface where a diffusion has taking place 7.3.2 The term “junction” is used, the p and n-type materials form part o ...
6-channel BTL driver for CD players
... (7) Connect a bypass capacitor (approx. 0.1µF) between the bases of the power supply pins of this IC. (8) The regulator characteristics are explained below. The limiting current and ground current can be set by changing the external current limiting resistor and external PNP transistor hfe. ∗ Do not ...
... (7) Connect a bypass capacitor (approx. 0.1µF) between the bases of the power supply pins of this IC. (8) The regulator characteristics are explained below. The limiting current and ground current can be set by changing the external current limiting resistor and external PNP transistor hfe. ∗ Do not ...
Lecture 5: Diodes:
... Effective resistance (impedance) of diode is very large Current-voltage relationship for a diode: I = I s (e eV /kT − 1) ...
... Effective resistance (impedance) of diode is very large Current-voltage relationship for a diode: I = I s (e eV /kT − 1) ...
antennas - N8PR-Pete Rimmel`s Homepage
... of radiated energy is seen by the area of both curves being equal. Only the Yagi concentrates the energy more in one direction. ...
... of radiated energy is seen by the area of both curves being equal. Only the Yagi concentrates the energy more in one direction. ...
Shake to Charge Flashlight
... was fully charged. It might be okay for finding your keys in the dark but not much more. The complete schematic for this device is shown below. A few things should be pointed out. First, they use some very cheap 1N4001 diodes in the bridge rectifier circuit instead more efficient Schottky diodes. Th ...
... was fully charged. It might be okay for finding your keys in the dark but not much more. The complete schematic for this device is shown below. A few things should be pointed out. First, they use some very cheap 1N4001 diodes in the bridge rectifier circuit instead more efficient Schottky diodes. Th ...
ANTENNAS: PART II
... of radiated energy is seen by the area of both curves being equal. Only the Yagi concentrates the energy more in one direction. ...
... of radiated energy is seen by the area of both curves being equal. Only the Yagi concentrates the energy more in one direction. ...