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Digital Design Guide
Getting started with our digital design tool
Holidays
Logic Gates
Logic Puzzle - Flip Flop
Logic Puzzle - Edge Detect
Logic Puzzle - Full Adder
Logic Puzzle - Padlock
Customisable Design - Padlock
Customisable Design - UART
Customisable Design - 7-Seg
Simple automated testing using truth tables
Generating Wokwi designs from truth tables
How do semiconductors work?
Introduction to SiliWiz
Draw a Resistor
Parasitics
Voltage Divider
Draw a capacitor
Draw an N MOSFET
Making a logic inverter
Draw a P type MOSFET
Draw a CMOS inverter
Making ASICs
Working with HDLs
Important!
FPGA to ASIC
HDL resources
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Testing your design
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Tiny Tapeout 02
> 142 FFT Butterfly in Wokwi
142 : FFT Butterfly in Wokwi
142 FFT Butterfly in Wokwi
142 : FFT Butterfly in Wokwi
Author: James R
Description: Single FFT butterfly with 2-bit resolution
GitHub repository
Most recent GDS build
Wokwi
project
Extra docs
Clock: 0 Hz
External hardware: None
How it works
Calculates low-resolution FFT of two 2-bit inputs
How to test
Change the inputs
IO
#
Input
Output
0
xr0.0
xr0.0
1
xr0.1
Xr0.1
2
xj0.0
Xj0.0
3
xj0.1
Xj0.1
4
xr1.0
Xr1.0
5
xr1.1
Xr1.1
6
xj1.0
Xj1.0
7
xj1.1
Xj1.1