12 bit a d converter analog input model
Section 22. Basic 8-bit A/D Converter ppt
Ngày tải lên :
29/07/2014, 10:20
... TAD Cycles TAD2 b7 TAD3 TAD4 TAD5 TAD6 TAD7 TAD8 b6 b5 b4 b3 b2 b1 Holding capacitor is disconnected from analog input TAD9 TAD10 TAD11 b0 b0 Next Q4: ADRES is loaded GO bit is cleared ADIF bit ... VREF+ D D A A A A A A A D A = Analog input D = Digital I/O Note: When AN1 is selected as VREF+, the A/ D reference is the voltage on the AN1 pin When AN1 is selected as an analog input (A) , then ... A/ D is the device VDD PCFG2:PCFG0: A/ D Port Configuration Control bits (1) PCFG2:PCFG0 AN3 AN2 AN1 AN0 000 001 010 011 100 101 110 111 A A D D D D D D A A A A D D D D A VREF+ A VREF+ A VREF+ D...
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Section 21. 8-bit A/D Converter docx
Ngày tải lên :
29/07/2014, 10:20
... D A D D D A A A A D D D A VREF A VREF A VREF D A A A A D D D A A A A A A D A A A A A A D A = Analog input Note: D = Digital I/O When AN3 is selected as VREF, the A/ D reference is the voltage ... Holding capacitor is disconnected from analog input TAD9 TAD10 TAD11 b0 b0 Next Q4: ADRES is loaded GO bit is cleared ADIF bit is set Set GO bit Holding capacitor is connected to analog input DS3102 1A- page ... Unimplemented: Read as '0' bit 2:0 R/W-0 PCFG2 PCFG2:PCFG0: A/ D Port Configuration Control bits PCFG2:PCFG0 AN7 AN6 AN5 AN4 AN3 AN2 AN1 AN0 000 001 010 011 100 101 11x A A D D D D D A A D D D D D A A D A...
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Báo cáo hóa học: " Research Article Fully Adaptive Clutter Suppression for Airborne Multichannel Phase Array Radar Using a Single A/D Converter" potx
Ngày tải lên :
21/06/2014, 08:20
... (STAP) In order to achieve full adaptivity to the clutter, generally the radar system has to undergo a multiple -A/ D (hardware) upgrade where a number of sampled data streams are made available However, ... variance and E{·} denotes the expectation operator The usual assumptions such as patchto-patch statistical independence (zero-mean Gaussian) are made on the clutter as well as target The data ... is available Assume that the radar transmits and receives a burst of N p coherent pulses with a certain set of array receiver weights and a second burst is transmitted and received with a different...
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AN0703 using the MCP320X 12 bit serial AD converter with microchip PICmicro® devices
Ngày tải lên :
11/01/2016, 11:33
... //************************************************************************* CODEPAGE NAME=reset_vector START=0x00 END=0x03 CODEPAGE NAME=interrupt_vector START=0x04 END=0x7FF DATABANK NAME=gpr0 START=0x20 END=0x7F DATABANK NAME=gpr1 START=0xA0 END=0xBF DATABANK NAME=sfr0 ... PICDEM-2 board to be pressed and released Once the button has been pressed and released, the remaining data is read from the SSPBUF and displayed on the PORTB pins This information is displayed ... p=16c6 2a include “p16c6 2a. inc” ADCS DOUT DIN CLK equ equ equ equ 0x02 0x05 0x04 0x03 ;chip select ;serial data ;serial data ;serial data line for A/ D converter out to A/ D converter in from A/ D converter...
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ĐỀ THI HỌC KỲ 1 LỚP 12 (2008-2009) Đ.A
Ngày tải lên :
02/06/2013, 01:25
... nghiệm pt Vẽ hình S ABCD = a. 2a = 2a a Ta có : V = 2 .a 3 b Gọi O trung điểm SC Ta có : OA=OB=OC=OD=OS AC = a + 4a = a SC = 5a + a = a Vay, R = SC a = 2 0.25 0.25 0.5 0.75 0.75 0.25 0.25 0.25 0.25 ... x= a PT 0.25 5 x = −1(loai ) ⇔ x =5 0.25 0.25 => x=2 nghiệm pt b ĐK : x>0 0.25 ⇔ log x( x + 2) = x =1 x = −3(loai ) PT ⇔ x + x − = ⇔ Vậy, x=1 nghiệm pt Vẽ hình S ABCD = a. 2a = 2a a Ta ... SỞ GD & ĐT KON TUM TRƯỜNG THPT ĐĂKGLEI TỔ : TOÁN - TIN o0o ĐỀ KIỂM TRA HỌC KÌ NĂM HỌC 2008-2009 MÔN : TOÁN LỚP : 12 TUẦN THỰC HIỆN : 17 THỜI GIAN : 90 PHÚT Đáp án & biểu điểm Câu 1.a...
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ANALOG BEHAVIORAL MODELING WITH THE VERILOG-A LANGUAGE- P9
Ngày tải lên :
18/10/2013, 00:15
... given model type with an equal sign and the parameter value Model parameters not given are assigned the default values for the model The general format of MODEL cards is: MODEL MNAME TYPE ( P1=VAL1 ... MNAME [area] NS MNAME [area] NS NB MNAME [w=value] [l=value] Where MNAME is the model name The model name is defined using a MODEL card, assigning parameters by appending the parameter name for ... In addition, an operating point analysis is performed automatically prior to a transient analysis to determine the transient initial conditions, and prior to an AC small-signal analysis to determine...
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Tài liệu Ứng dụng KIT 8051 dùng để chuyển đổi A/D-D/A, chương 12 doc
Ngày tải lên :
24/12/2013, 14:15
... led thay đổi đ a gởi liệu C000H led có thêm đ a điều khiển hình Đ a điều khiển led phải gởi đ a C001H trước gởi liệu đ a C000H LED8 80H LED LED6 LED5 81H 82H LED4 LED 83H 84H 85H LED 86H LED ... trước led d ch sang trái theo chiều mũi tên hình Riêng byte liệu trước led d ch LED8 LED7 LED6 LED5 LED4 LED1 LED3 LED2 Mũi tên nằm ngang chiều nhận liệu từ vi điều khiển đ a đến led Các mũi ... đ a d ng để gởi từ điều khiển 8279 – đọc ghi trạng thái a Phần giải mã hiển thò: Gồm có led với thứ tự Led1 đến Led8 theo hướng từ phải sang trái hình LED8 LED LED6 LED5 LED4 LED LED LED a Cấu...
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Tài liệu ANALOG BEHAVIORAL MODELING WITH THE VERILOG-A LANGUAGE- P1 pdf
Ngày tải lên :
26/01/2014, 19:20
... 2.1, a real-valued parameter fc is declared with a default value of 100.0e6 Signal and parameter interface declarations are covered in more detail in Chapter Analog System Description and Simulation ... Verilog -A language This book assumes a basic level of understanding of the usage of Spicebased analog simulation and the Verilog HDL language, although any programming language background and a little ... investments in models and libraries 1.2 Product Design Methodologies The analog and mixed-signal product development cycle (digital, analog, and mixedsignal) for electronic IC and systems is a process...
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Tài liệu ANALOG BEHAVIORAL MODELING WITH THE VERILOG-A LANGUAGE- P2 ppt
Ngày tải lên :
26/01/2014, 19:20
... behavioral descriptions are encapsulated within analog statements or blocks: analog begin end The analog statement encapsulates a large-signal behavior for the model valid for all ... simulators Standard definitions of disciplines and natures predefined within the standard definitions1 and are summarized in the following table: For conservative analog systems, a discipline definition ... 2.2.3 Behavioral Descriptions The Verilog -A language provides for describing the behavior of analog and mixedsignal systems The analog behavioral descriptions are encapsulated within analog statements...
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Tài liệu ANALOG BEHAVIORAL MODELING WITH THE VERILOG-A LANGUAGE- P3 doc
Ngày tải lên :
26/01/2014, 19:20
... standard mathematical and transcendental functions (Appendix A) , with analog operators the modeler can define the components constitutive behavior Similar to functions, analog operators take an expression ... of a component can be controlled using analog events The analog events have the following characteristics: Analog events can be triggered and detected in the behavioral model Analog events not ... the model, they maintain internal state As such, they are subject to several important restrictions: Analog operators can only be used within an analog block Analog operators should not be used...
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Tài liệu ANALOG BEHAVIORAL MODELING WITH THE VERILOG-A LANGUAGE- P4 pptx
Ngày tải lên :
26/01/2014, 19:20
... the primary mechanism by which a hierarchical design methodology such as top-down is facilitated for analog and mixed-signal designs The Verilog -A language allows analog and mixed-signal systems ... definition module d 2a( out, d0 , d1 , d2 , d3 , clk); output out; input d0 , d1 , d2 , d3 , clk; electrical out; electrical d0 , d1 , d2 , d3 , clk; parameter parameter parameter parameter real real real real vthresh ... (msb _a2 d and lsb _a2 d) of the subranging _a2 d module with specified parameter values of vrange = 5.0 as before, and trise = 15n, and tfall = 15n Parameter tdel is assigned its default value of 10n as...
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Tài liệu ANALOG BEHAVIORAL MODELING WITH THE VERILOG-A LANGUAGE- P5 ppt
Ngày tải lên :
26/01/2014, 19:20
... Declarations and Structural Descriptions a2 d #(.vrange(5.0)) msb _a2 d( .d0 (bit4 ), d1 (bit5 ), d2 (bit6 ), d3 (bit7 ), in(in), clk(clock)), lsb _a2 d( .d0 (bit0 ), d1 (bit1 ), d2 (bit2 ), d3 (bit3 ), in(gain_out), ... relationship: And, as discussed during midband model development, the term is the transistor transconductance, the parameters and are the dominant intrinsic npn resistances, and the values and are ... second gain stage is modeled using the analog operator in conjunction with a resistor and a capacitor Note the slew rate of the model is the rate at which the capacitor can be charged and discharged...
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Tài liệu ANALOG BEHAVIORAL MODELING WITH THE VERILOG-A LANGUAGE- P6 doc
Ngày tải lên :
26/01/2014, 19:20
... Keywords analysis bound_step cross delay laplace_nd laplace_np laplace_zd laplace_zp slew timer transition zi_nd zi_np zi_zd zi_zp Analog operators are described in Chapter 164 Verilog -A HDL Please ... their inputs Consideration of these properties require that the modeler understand the types and ranges of signals that the model will be used under and develop accordingly A. 1.11 Analog Operator ... Omega(shaft2)*(r2/r1); Tau(shaft2) < + i2*ddt(Omega(shaft2)) + (Tau(shaft1) - i1*ddt(Omega(shaft1)))*r2/r1; end endmodule 5.7.4 Antenna The antenna represents a rotational load on the shaft of...
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Tài liệu ANALOG BEHAVIORAL MODELING WITH THE VERILOG-A LANGUAGE- P7 docx
Ngày tải lên :
26/01/2014, 19:20
... comma-separated list of standard (for “std.va” and “const.va” definition files) and user-defined include directories (should at least have \include for the standard include files) If you maintain ... and physical constants Directory lib is organized in subdirectories for behavioral models of analog, communications, data acquisition, and digital Circuit test bench files are also included Directory ... characteristics are described by the task name $dist_uniform(seed, start, end) $dist_normal(seed, mean, standard_deviation) $dist_exponential(seed, mean) $dist_poisson(seed, mean) System Tasks and Functions...
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Tài liệu ANALOG BEHAVIORAL MODELING WITH THE VERILOG-A LANGUAGE- P8 docx
Ngày tải lên :
26/01/2014, 19:20
... with an equal sign and the parameter value Model parameters not given are assigned the default values for the model The general format of MODEL cards is: MODEL MNAME TYPE ( P1=VAL1 P2=VAL2 ) and ... this watermark Index A access functions See signals analog events 74 analog operators cross 75 ddt 53 delay 57 idt 55 laplace transform 64, 175 laplace_nd 177 laplace_np 177 laplace_zd 176 laplace_zp ... MNAME [area] NS NB MNAME [w=value] [l=value] Where MNAME is the model name The model name is defined using a MODEL card, assigning parameters by appending the parameter name for the given model...
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Báo cáo hóa học: "Research Article Adaptive Reference Levels in a Level-Crossing Analog-to-Digital Converter" pdf
Ngày tải lên :
22/06/2014, 01:20
... underlying signal The advantage of this method is that quantized input can have arbitrary resolution, as long as it is a ordable The disadvantage is that a separate circuit element is designated ... an LC ADC can be updated, with one noted difference: the CSA uses analog input in its computation of update weights, and the DSA uses signal already converted into digital form Although hardware ... Lk (13) dt Corollary For any bounded input xt , |x(t)| ≤ A/ 2, and fixed parameter η, the deviation of the digital algorithm DSA from the analog algorithm CSA is bounded, E esea LT − E edsa LT T...
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AN0688 layout tips for 12 bit AD converter application
Ngày tải lên :
11/01/2016, 11:32
... has all by-pass capacitors installed DS00688B-page AN688 DID I SAY BY-PASS? Signal Traces Generally speaking, the signal traces on the board (both digital and analog) should be a short as possible ... (SAR) design approach, the entire device should be connected to the analog power and ground planes A common error is to have the converter straddle the analog and digital planes This strategy may ... ground planes and power planes should be defined The strategy of the implementation of these planes are a bit tricky First of all, assuming that a ground plane is not needed is a dangerous assumption...
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AN0700 make a delta sigma converter using a microcontroller’s analog comparator module
Ngày tải lên :
11/01/2016, 11:33
... the ratio of R1 and R2 is changed, the input range can be increased or decreased in accordance with the relationship between R1 and R2 Further adjustments can be implemented with an additional ... 70°C, RDSON will change from ~100Ω to ~200Ω which adds an additional 0.2% error RA0 Port Leakage Current This leakage current is specified at 1nA at room temperature and 0.5 A (max) over temperature ... microcontroller can be configured as a Delta-Sigma Converter with two additional external resistors and one capacitor In this configuration, a low pass filter is also implemented as part of the input network...
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Thực trạng hoạt động quản trị bán hàng và một số giải pháp nhằm nâng cao công tác quản trị bán hàng tại công ty A.D.A.doc
Ngày tải lên :
25/09/2012, 17:00
... TNHH A. D .A Tên tiếng anh: Asian Dragon Company Limited Ngày thành lập: 30–10–2003 Công ty A. D .A đơn vị tiên phong công việc cung cấp sản phẩm, d ch vụ ứng d ng sóng di động Việt Nam Công ty A. D .A ... không d y USB Internet Modem sử d ng sóng di động kết nối internet giải phóng người d ng khỏi phương thức kết nối internet truyền thống L a chọn a d ng với giao thức EDGE (Enhanced Nguồn: www.ada.com.vn ... tranh tốt thị trường, tối ưu h a chi phí, lợi nhuận Tính cấp thiết đề tài Công ty A. D .A (Asian Dragon Company Limited) đơn vị tiên phong công việc cung cấp sản phẩm, d ch vụ ứng d ng sóng di...
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