Tonghui TDO3022AS Digital Storage Oscilloscope

With bandwidth of 25MHz,it has a maximum real-time sample rate of 400Msps and equivalent sample rate of 10Gsps to ensure you accurate observation of signal details. Many standard advanced features such as multi triggering modes, cursor measurement functions, auto measurement, digital filtering, waveform storage, math function, FFT, PASS/ FAIL judgement, multi communication interfaces, etc. make the measurement faster and easier

Sampling system
Max.real-time sample rate 400Msps
Max.Equivalent sample rate 10Gsps
Vertical resolution 8 Bits
Sample mode Sample,peak detect,averaging
Auto setup Adjust vertical scale(V/div),horizontal time base(s/div), trigger mode is "AUTO".

Vertical System
Channels 2 analog input channels and 1 trigger input channel
Bandwidth 25MHz
Coupling DC,AC,GROUND
Bandwidth limit(-3dB) -------
Rise time <14.0ns
Vertical scale(V/div) 2mV/div—5V/div 1-2-5 step
Vertical gain accuracy 2mV/div, 5mV/div ±4%×reading±0.1div×V/div+0.5mV;
Vertical bias range ±8 div away from the screen center
Probe attenuation factor ×1，×10，×100，×1000
Input impedance 1MΩ||19pF
Max.Input voltage 400V (DC+AC peak,@1MΩ)

Horizontal System
Trigger System
EXT Max. input voltage 400V (DC+AC peak,@1MΩ)

Signal Measurement
Voltage Max, Min, VPP, High, Low, Amplitude, Average, RMS, Overshoot, Preshoot, Cycle average, Cycle RMS
Time Frequency, Period, Rise time, Fall time, +Width, -Width, +Duty, -Duty, Delay, Phase, X@MAX, X@MIN
Math function A+B,A-B,A×B,FFT(1024 point)
Cursor mode Manual, Auto, Track
Hardware counter 5-digit frequency counter up to full bandwidth

Storage and Interface
Internal storage 10 setup files and 10 trace files
File format Setup, Waveform, Trace, BMP and CSV file
Interface
Standard USB HOST
Optional RS232C+PASS/FAIL OUT，GPIB+RS232C+PASS/FAIL OUT

Display
Display type STN LCD display, 5.6-inch
Waveform Display
Range Menu ON: 8div (vertical)×10div(horizontal), Menu OFF: 8div(vertical)×12div(horizontal)
Type Dot/vector
Interpolation (Sinx)/x, linear
Persistence Off/infinite
Format YT / XT
Real time clock -------

Sine signal feature
Harmonic Distortion
Below 5MHz -50dBc
≤10MHz -45dBc

Amplitude feature
Amplitude setting range(50Ω) Output frequency≤20MHz， amplitude range 1mVpp--10 Vpp when＞20MHz，amplitude range 1mVpp—3.16 Vpp
Amplitude setting range (Hi-resistance) Output frequency≤20MHz，amplitude range 2mVpp--20 Vpp when ＞20MHz，amplitude range 2mVpp—6.32 Vpp
Max.Resolution(50Ω) 1μVp-p
Max.Resolution(Hi-resistance) 2μVp-p
Amplitude deviation ≤±2%+1mV (1KHz sine wave)
Amplitude stability ±1 % /4 hours
Amplitude flatness ≤ 50 kHz ±5% > 50kHz ±20%
Output impedance 50Ω

AM Modulation feature
Carrier Sine wave,square wave
Modulation wave 30 common waves:Sine wave,square wave,triangle wave.etc
Modulation wave frequency 1mHz--1MHz
Modulation depth 1% ~ 120%

FM Modulation feature
Carrier Sine wave and square wave
Modulation wave 30 common waves:Sine wave,square wave,triangle wave.etc
Modulation frequency 1mHz--1MHz
Frequency modulation deviation 0.1% ~ 99.9%

PWM Modulation feature
Carrier Impulse
Modulation wave 30 common waves:Sine wave,square wave,triangle wave.etc
Modulation wave frequency 1mHz--1MHz
Width deviation 1% ~ 99%

FSK Modulation feature
Carrier Sine wave
Hop frequency 1μHz--10MHz
Interval time 1ms~40s

PSK Modulation feature
Carrier Sine wave
Hop phase 1°~360°
Interval time 1ms~40s

DCOM(Bias modulation)feature
Carrier Sine wave,square wave
Modulation wave 30 common waves:sine wave, square wave, triangle wave.etc.
Modulation wave frequency 1mHz--1MHz
Function Realize the add function of carrier and modulation wave

Frequency sweep feature
waveform Sine wave,square wave
Frequency range 1μHz--10MHz
Sweep type Forward,backward and round sweep
Sweep time 1ms~500s

Burst(impulse string) feature
Waveform 30 common waveforms:sine wave, square wave and triangle wave.
Count 1~60000 periods
Burst frequency 1mHz--1MHz