Dual Channels Oscilloscope

Build a Dual Channels Oscilloscope

Specification:
Dual Channels Oscilloscope
Maximum sample frequency: 40MSPS
Maximum input frequency: 5MHz
Maximum displayed frequency: 10MHz
Input circuit bandwidth: 20MHz
Display resolution: 240×128  
Trace resolution: 200×125
Sensitivity: 0.1V/div, 0.3V/div, 0.6V/div, 
             0.9V/div, 3V/div, 6V/div, 
             9V/div, 20V/div,
Coupling: AC, DC
Input impedance: 10K
Power supply: single DC source 8V..10V, 1A
No incremental mode
Time base A & B: 1s/div, 500ms/div, 200ms/div, 
                 100ms/div, 50ms/div/, 20ms/div, 
                 10ms/div, 5ms/div, 2ms/div, 
                 1ms/div, 500us/div, 200us/div, 
                 100us/div, 50us/div, 20us/div, 
                 10us/div, 5us/div, 2us/div, 
                 1us/div, 500ns/div
Trigger: digitally adjustable
Trace offset: digitally adjustable
Mode: A, B, A+B, AB-A, AB-B
Frequency Generator: 2.5Hz, 20Hz, 153Hz, 304Hz, 
                     613Hz, 766Hz, 920Hz, 1225Hz, 
                     1750Hz, 2500Hz
Waveform: SIN, EXP, TRI, SAW, RSW, SQR, RND, ECG