precision temperature to voltage converter

... MOTOR SPEED CONTROL The motor's speed is measured with the F/V converter, which converts RPM into a proportional voltage This voltage is used in a negative feedback system to maintain the motor ... AN795 FREQUENCY/TONE DECODER The frequency, or tone, to be detected is converted into a proportional analog voltage by the TC9400 F/V converter The quad comparators sense when the voltage (frequency) ... the F/V mode to convert the frequency information (RPM) into a a linearlyproportional voltage This voltage is then compared to one of "n" comparators (8 in this example) When the voltage exceeds...

Ngày tải lên: 11/01/2016, 11:40

... email vừa cung cấp với nội dung “AnyBizSoft PDF to Word Converter 2.5.3 Registration Mail” gồm có địa email key đăng ký Bạn tải chương trình PDF to Word Converter 2.5.3 với dung lượng khoảng 6,15MB ... anybizsoft-pdf -to- word_free.exe desktop cài đặt bình thường Cài đặt xong, chương trình u cầu bạn đăng ký sử dụng Bạn nhập đầy đủ thông tin mà AnyBizSoft cung cấp email Giao diện làm việc PDF to Word Converter ... folder as source (lưu thư mục file PDF), Customize (mặc định sẵn … My Documents\AnyBizSoft PDF to Word) Giao diện làm việc thân thiện PDF to Word Converter Cuối cùng, bạn nhấn vào Convert để...

Ngày tải lên: 21/01/2014, 00:20

... Introduction Photoshop + ustwo™ Acknowledgements Photoshop: Colour Profiles The Essentials Photoshop: Pixel Precision Pixel Perfect Principles Photoshop: Techniques Pixel Perfect Details Photoshop: Organisation ... bottom the bottom for the info… Info What you Info Info were after! Naughty 
Navigation Minimise Steps for the info… Info Much easier to get to! Nice Although care must be taken not to cram too ... and most important, point to make bg_help btn_home icn_global is that the best way to go about all this is to speak to the developer you’re working with (global refers to components that appear...

Ngày tải lên: 29/03/2014, 18:43

... ϕ I = = cos ϕ = ν cos ϕ （2-66） S UI I Power factor: Distortion factor (fundamental- component factor): ν =I1 / I Displacement factor (power factor of fundamental component): λ1=cos ϕ1 Definition ... – For resistive load: current waveform of a resistor is the same as the voltage waveform –For inductive load with a large inductor: the inductor current can be considered constant 2.2 Three- ... thyristor current is reduced –The average output voltage is reduced –Positive du/dt – Notching in the AC side voltag  2.4 Capacitor- filtered uncontrolled (uncontrollable) rectifier 2.4.1 Capacitor-...

Ngày tải lên: 14/05/2014, 21:59

... reference levels is the focus of this paper In order to obtain samples efficiently, the levels need to be appropriately assigned in the analog -to- digital converter (ADC) When they are not within the amplitude ... current implementation can sample signals upto MHz in bandwidth with bits hardware resolution, and its topology can be trivially extended to a higher -precision ADC The proposed architecture is ... The reference levels are implemented with a voltage divider The comparators are designed to be noise resistant, so at a reference level, fluctuation due to noise will not cause chattering in the...

Ngày tải lên: 22/06/2014, 01:20

... signal input -to- output relation of the system is analyzed Conditions for the system to be free from nonlinear distortion (i.e., free from aliasing) are stated In Section 3, the sensitivity to channel ... ΣΔ-modulators Using a linear model for analysis, the signal input -to- output relation and noise input -to- output relation can be analyzed separately The signal transfer function from x(n) to y(n) ... Fiez, and I Galton, “Parallel delta-sigma A/D conversion,” in Proceedings of the Custom Integrated Circuits Conference, pp 503–506, 1994 [6] I Galton and H T Jensen, “Delta-sigma modulator based A/D...

Ngày tải lên: 22/06/2014, 19:20

... detail s MOTOROLA 1-3 SECTION Conventional Analog -to- Digital Converters “Most A/D converters can be classified into two groups according to the sampling rate criteria: Nyquist rate converters ... information, i.e., or -1 The modulator output y(n) is converted to x ( t ) by a 1-bit D/A converter (see Figure 6-4) The input to the integrator in the modulator is the difference between the ... However, the error has been pushed towards high frequencies due to the differentiator, (1-z-1), factor Therefore, provided that the analog input signal to the modulator, x(t), is oversampled, the...

Ngày tải lên: 04/07/2014, 07:24

... the resistors R1 through R4 form a difference amplifier with a differential gain (GA1) of V/V (since the resistors are all equal) A 2.5V precision voltage reference (VREF) is applied to the input ... reference voltage The voltage at the output of A1 is shown in Equation © 2008 Microchip Technology Inc V OUTA1 = V REF G A1 + V OUTA2 Now it is easy to derive the voltage (VRREF) across the resistor ... This current is ratio-metric to the voltage reference The same voltage reference should be used in other portions of the circuit, such as the analog -to- digital (A/D) converter reference Absolute...

Ngày tải lên: 11/01/2016, 11:32

... literal into W linker to select SFR bank set PORTB data latches to set PORTD data latches to set PORTE data latches to move literal into W set PORTA data latches to move literal into W set PORTC ... PICmicro Initialization A/D Conversion Conversion to ASCII Conversion to Decimal Conversion to Voltage (*C code only) Transmit ASCII, Decimal and Voltage to PC for display C CODE: Upon power up, three ... simple application, the MCP3201 voltage reference input is tied to 5VDC This translates to a 1.22mV / bit resolution for the A/D Converter module The voltage input to the MCP3201 is implemented...

Ngày tải lên: 11/01/2016, 11:34

... correlated noise, i.e distortion created by the converter itself With delta-sigma analog -to- digital converters, there is a subset of this distortion referred to as idle tones These idle tones are a by-product ... ModulatorCH0(OFF); ON, OFF Modulator output setting for CH0 ModulatorCH1(OFF); ON, OFF Modulator output setting for CH1 WidthCH1(24); Note 1: An 8-bit wide unsigned integer is passed to SetOSR ... the dithering will have a negative effect on the total signal to noise and distortion ratio (SINAD) Dithering will cause all distortion figures to be improved, while the noise floor will be increased...

Ngày tải lên: 11/01/2016, 16:55

... 690V voltage (line to line, 50Hz) The stator rotor turns ratio is 0.3, and other parameters are listed in the Appendix The converter dc-link capacitor is 20,000uF, the dc-link reference voltage ... 2.2mH according to (5) Here, 1.0mH is adopted for L1g 2) The maximum value of capacitor C3g is 167μF under the 5% power factor limit, but capacitor value cannot be too low to avoid too high a value ... because the power flows form rotor side to converter side due to supersynchronous operation The THD is 7.19% at converter terminal and it is reduced to 1.64% on rotor side, and the loss is 0.22%,...

Ngày tải lên: 25/08/2016, 19:15

... Point -to- point Bus Topology The satellites (control units SG2 SG5) in point -to- point bus topology are each connected by a separate line to the central master control unit (SG1) Point -to- point topology ... access to the MOST The two connectors must be removed from the holder secured on the cover The two connectors are then plugged together The OPS/ OPPS can now be connected to the connector as ... fiber optics connector to avoid damage to the ends of the fiber optics conductors As soon as the retrofit is installed, the fiber optics connectors are reconnected according to instructions and...

Ngày tải lên: 19/10/2012, 13:48

... the inlet temperature of hot-side heat reservoir to environment temperature ratio of the inlet temperature of cold-side heat reservoir to environment temperature ratio of the inlet temperature ... regenerative Brayton CHP plant coupled to constant -temperature heat reservoirs A thermodynamic model of an endoreversible intercooled regenerative Brayton CHP plant coupled to variable -temperature ... to environment temperature ratio of the consumer-side temperature to environment temperature exergy hot-side intercooler inlet consumer-side cold-side maximum minimum optimal outlet regenerator...

Ngày tải lên: 05/09/2013, 14:59

... unbalanced conditions To regulate the total stored energy inside the converter, so that it is equal to a predetermined reference value, a DC voltage regulator unit is added to the reference output ... DC-link capacitor voltages is regulated toward a certain value by estimating the power losses through the DC voltage regulator unit However, the energy stored in both legs connected to the same ... average voltage between negative-link and N is VN L = −VDCM /2 Although the voltage on a leg has a DC component, there exists no DC component on the line -to- line voltage or the line -to- neutral voltage...

Ngày tải lên: 15/10/2013, 16:24

... ● ● ● × 358 HTOS 359 HTOSP 360 DHTOS 361 DHTOSP 362 STOH 363 STOHP 364 DSTOH 365 DSTOHP 366 TRD Hour to second conversion Hour to second conversion Hour to second conversion Hour to second conversion ... △ △ △ △ △ To CP1E.No Conversion To CP1E.No Conversion To CP1E.No Conversion To CP1E.No Conversion To CP1E.No Conversion To CP1E.No Conversion To CP1E.No Conversion Floating Point ● △ To CP1E.No ... DBK+ DBK+P BK- Decimal to Gray Code Decimal to Gray Code Decimal to Gray Code Decimal to Gray Code Gray Code to Decimal Gray Code to Decimal Gray Code to Decimal Gray Code to Decimal Read form...

Ngày tải lên: 12/12/2013, 08:33

... set of voltage vectors consisting of the two active vectors adjacent to the EMF vector and the zero voltage vector are considered for optimization without loss of quality [8] c) Trajectory tracking ... the voltage vector once every sample period This will force commands [Fig 5(a)] the current vector according to its command and EMF voltage of the The inverter voltage The load is assumed to be ... This phenomenon has to be taken into account in designing CC 4) Voltage Vector Sequence and Current Ripple: The converter output voltage can be represented as a space vector [Fig 2(d)] This is...

Ngày tải lên: 03/01/2014, 19:45

... periods for which plants were exposed to °C, thus capturing different stages of metabolic adjustment to low temperature As indicated by the LT50 values, the freezing tolerances of the accessions differed ... activity, leading to higher photosynthetic performance at low temperatures Interestingly, model simulations for C24 and Rsch revealed that synthesis of soluble sugar was never limited by photosynthetic ... sucrose supply to sink organs rather than source capacity correlated with low -temperature tolerance [23] It appears that the major difference between Rsch and C24 is the capacity to re-establish...

Ngày tải lên: 14/02/2014, 22:20

... oblique angle to avoid piercing the epididymis to record testis temperature The bimetal probe was connected to an analog -to- digital converter (Thermes USB, Physitemp Instruments, Clifton, NJ) and ... bottom of the treatment chamber to aid positioning of the testes and to reduce reflection of ultrasound energy An ultrasound-transparent, nylon mesh was attached to the bottom of the ring to ... transducer was affixed to an offset cam to allow it to rotate in a horizontal plane against the bottom of the ultrasound chamber during treatment Ultrasound gel was used to coat the transducer...

Ngày tải lên: 05/03/2014, 17:20

... material In order to check the effect of operating temperature on the sensor response, WO3 sensors are maintained at fixed temperatures from 423 to 673 K Fig illustrates the response to 0.8 ppm of ... according to Fig WO3 sensor response at different operating temperatures (800 ppb of O3 ) high temperature, the equilibrium chemisorption is possible but the coverage decreases with increasing temperature ... adsorption efficiency maximum is shifted toward high temperatures with increasing the ozone concentration Indeed, when temperature increases, the desorption rate increases too So, significant surface covering...

Ngày tải lên: 20/03/2014, 13:12

... photoelecton peak of O 1s is found to lie at 530.2 eV, and is assigned to lattice oxygen in the WO3 crystal As shown in Fig 2(c), the photoelectron peaks of W 4f5/2 and W 4f7/2 are found to lie ... sensitivity to other gases Fig shows its sensitivity to TMA, Fig The relationship between the gas sensitivity and operating temperature to different gases at the same concentration of 1000 ppm and to ... operating temperature Fig shows the relationship between the gas sensitivity and the operating temperature of WO3 thin film sensor to TMA gas with various concentrations As shown in Fig 3, to 100...

Ngày tải lên: 20/03/2014, 13:12