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Filter Designer
Filter Designer Filter Designer tool can be used for designing Active Lowpass, Active Highpass and Active Bandpass Filters. Calculate the values of capacitors, resistors, Q values and frequencies of active filter. Note: Filter Designer Tool works best on Computers, we are currently optimizing this tool to work on smartphones. -------------------------------------------------------- Active Lowpass Calculator: 1. 2 Pole Active Lowpass with Unity Gain 2. 2 Pole Active Lowpass with Gain 3. 3 Pole Active Lowpass Filter Active Highpass Calculator: 1. 2 Pole Active Highpass with Unity Gain 2. 2 Pole Active Highpass with Gain 3. 3 Pole Active Highpass Filter Active Bandpass Calculator: 1. 2 Pole Active BandPass Filter 2. 4 Pole Active BandPass Filter 3. 6 Pole Active BandPass Filter Notch Filter Calculator: 1. 2 Op-Amp Notch Filter Calculator Sallen Key Filter Calculator: 1. Sallen Key Lowpass Butterworth Filter Calculator
6 Pole Bandpass Active Filter Calculator
6 Pole Bandpass Active Filter Input Output Filter Type Butterworth Chebyshev 0.1 dB Bessel Capacitors (uF) Center Freq (Hz) 3dB Bandwidth (Hz) Voltage Gain C1,C2,C3,C4,C5,C6 (uF) R1 (K Ohms) R2 (K Ohms) R3 (K Ohms) R4 (K Ohms) R5 (K Ohms) R6 (K Ohms) R7 (K Ohms) R8 (K Ohms) R9 (K Ohms) Section 1 2 3 Q Freq Active Lowpass Calculator: 1. 2 Pole Active Lowpass with Unity Gain 2. 2 Pole Active Lowpass with Gain 3. 3 Pole Active Lowpass Filter Active Highpass Calculator: 1. 2 Pole Active Highpass with Unity Gain 2. 2 Pole Active Highpass with Gain 3. 3 Pole Active Highpass Filter Active Bandpass Calculator: 1. 2 Pole Active BandPass Filter 2. 4 Pole Active BandPass Filter 3. 6 Pole Active BandPass Filter
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Verilog: 8 to 1 Multiplexer (8-1 MUX) Dataflow Modelling with Testbench Code
Verilog Code for 8 to 1 Multiplexer Dataflow Modelling module mux_8to1( input a, input b, input c, input D0, input D1, input D2, input D3, input D4, input D5, input D6, input D7, output out, ); module m81( output out, input D0, D1, D2, D3, D4, D5, D6, D7, S0, S1, S2); assign S1bar=~S1; assign S0bar=~S0; assign S2bar=~S2; assign out = (D0 & S2bar & S1bar & S0bar) | (D1 & S2bar & S1bar & S0) | (D2 & S2bar & S1 & S0bar) + (D3 & S2bar & S1 & S0) + (D4 & S2 & S1bar & S0bar) + (D5 & S2 & S1bar & S0) + (D6 & S2 & S1 & S0bar) + (D7 & S2 & S1 & S0); endmodule //Testbench code for 8-1 MUX Dataflow Modelling initial begin // Initialize Inputs a= 0;b = 0;c = 0;D0 = 1;D1 = 0;D2 = 0;D3 = 0;D4 = 0;D5 = 0;D6 = 0;D7 = 0; // Wait 100 ns for global reset to finish #100; // Add stimulus here #100; a = 0;b = 0;c = 1;d0 = ...
VLSI: 1-4 DEMUX (Demultiplexer) Dataflow Modelling with Testbench
Verilog Code for 1-4 DEMUX Dataflow Modelling module demux_1_to_4( input d, input s0, input s1, output y0, output y1, output y2, output y3 ); assign s1n = ~ s1; assign s0n = ~ s0; assign y0 = d& s0n & s1n; assign y1 = d & s0 & s1n; assign y2 = d & s0n & s1; assign y3 = d & s0 & s1; endmodule //Testbench code for 1-4 DEMUX Dataflow Modelling initial begin // Initialize Inputs ...
VLSI: 4-1 MUX Dataflow Modelling with Testbench
Verilog Code for 4-1 MUX Dataflow Modelling module m41(out, i0, i1, i2, i3, s0, s1); output out; input i0, i1, i2, i3, s0, s1; assign y0 = (i0 & (~s0) & (~s1)); assign y1 = (i1 & (~s0) & s1); assign y2 = (i2 & s0 & (~s1)); assign y3 = (i3 & s0 & s1); assign out = (y0 | y1 | y2 | y3); endmodule //Testbench code for 4-1 MUX Dataflow Modelling initial begin // Initialize Inputs a = 1;b = 0;c = 0;d = 0;s0 = 0;s1 = 0; ...
VLSI: Half Subtractor and Full Subtractor Gate Level Modelling
Half Subtractor: Verilog Module Code: module half_subtractor ( input a, input b, output diff output borr ); wire x; xor (diff,a,b); not (x,a); and (borr,x,b); endmodule Full Subtractor: Verilog Module Code: module full_subtractor ( input a, input b, input c, output diff output borr ); wire x,n2,z,n1; xor s1(x,a,b); not s3(n2,x); not s4(n1,c); and s5(y,n1,b); xor s2(diff,a,x); and s6(z,n2,a); or (borr,y,z); endmodule
Full Subtractor Verilog Code in Structural/Gate Level Modelling with Testbench
Verilog Code for Full Subtractor Structural/Gate Level Modelling module full_sub(borrow,diff,a,b,c); output borrow,diff; input a,b,c; wire w1,w4,w5,w6; xor (diff,a,b,c); not n1(w1,a); and a1(w4,w1,b); and a2(w5,w1,c); and a3(w6,b,c); or o1(borrow,w4,w5,w6); endmodule //Testbench code for Full Subtractor Structural/Gate Level Modelling initial begin // Initialize Inputs a = 0; b = 0; c = 0; // Wait 100 ns for global reset to finish #100; // Add stimulus here #100; a = 0;b = 0;c = 1; #100; a = 0;b = 1;c = 0; #100; a = 0;b = 1;c = 1; #100; a = 1;b = 0;c = 0; #100; a = 1;b = 0;c = 1; #100; a = 1;b = 1;c = 0; #100; a = 1;b = 1;c = 1; end Output: RTL Schematic: Full Subtractor Verilog Other Verilog Programs: Go to Index of Verilog Programming