MCH Instruments Co., Ltd.

function generator

function generator
Product Detailed

High resolution, high accuracy, high stability, superb price/performance,Highly visible VFD display, easy-to-use knob and keys

Model:SM4020,SM4040,SM4080,SM4120

Waveforms

Main Waveforms

sine, square(only sine is available above 40MHz)

Waveform length

8~16000point

Amplitude resolution

12bit

sampling rate

200MSa/S(≤80MHz) 300MSa/S(120MHz)

Built-in Arbitary

Triangle,±Ramp, ±pulse,rise/fall exponential,rise/fall logarithm,gause noise,cardiac,SIN(X)/X,DC

Waveform length

8~160000point

Amplitude resolution

10bit

sampling rate

10MSa/S(≤80MHz)  20MSa/S(120MHz)

Arbitary Waveform

Waveform length

8~16000point

Amplitude resolution

10bit

sampling rate

10MSa/S(≤80MHz)  20MSa/S(120MHz)

Memory

6*4K

Waveform characteristics

sine harmonic distortion

-35dBc

sine distortion

≤0.1%(20Hz-100KHz)

square rise/fall time

≤10na

frequency characteristics

frequency range

1.Main waveform:100uHz-10/20/40/80/120MHz

2.Built-in arbitary:10mHz-100KHz

3.Arbitary waveform:10mHz-100KHz

Resolution

1.μHz

freq. accuracy

≤±5PPm

temperature coefficient

≤2PPm/°C

output characteristics

amplitude

Sine: (F≤40MHz) 1mVpp-10Vpp(50Ω);2Mvpp-20Vpp(open)

     (F>40MHz) 1Mvpp-6Vpp(50Ω)

Square: (F≤20MHz) 1mVpp-10Vpp(50Ω);2Mvpp-20Vpp(open)

     (F>20MHz) 1Mvpp-6Vpp(50Ω); 2Mvpp-2Vpp(open)

Accuracy

±1%+0.2mv(sine 1KHz)

flatness

Amplitude≤1Vpp(50Ω load):≤±0.5dB

Amplitude>1Vpp(50Ω load):≤±0.5dB(20MHz);≤±1dB(40MHz or above)

Resolution

4digit display:0.1mV(output and offset)

DC offset

(F≤40MHz)  ιVpp/2+DCι≤5(50Ω); ιVpp/2+DCι≤10(open)

Accuracy:±10%+2mV    (note: No offset at freq. over 40MHz)

Unit

Vpp, mVpp, dBm, Vrms, mVrms

pulse duty rate

0.1% -99.9%(F≤10KHz);1%-99%(10KHz<F<100KHz)

modulation

amplitude modulation

carrier waveform

sine, square

Carrier Freq. Range

100μHz-10/20/40/80/120MHz

Modulation Waveform

sine, square, triangle,±Ramp, ±Pulse,Rise/fall exponential,Rise/fall logarithm,Gause noise, Cardiac, SIN(X)X,DC.

Modulation Freq. Range

100μHz-20KHz

Modulation Depth

1%-120%

Modulation Distortion

≤2%

Source

INT/EXT(Ext. AM:±5V=100%)

Frequency Modulation

Carrier Waveform

Sine, Square

Carrier Freq. Range

100μHz-20/40/80/120MHz

Modulation Waveform

Sine, square, triangle, ±Ramp, ±Pulse, Rise/fall exponential,Rise/fall logarithm,Gause noise,Cardiac,SIN(X)X,DC

Modulation Freq. Range

100μHz-10kHz

Max. Deviation

50% of carrier freq.

Frequency-shift keying

waveform

sine, square

frequency range

100μHz-10/20/40/80/120MHz

Alternate time

0.1ms-100S ±1%  (10mHz-10kHz)

Control mode

INT/EXT (External TTL level,F1:low-level,F2:high-level)

Phase-shift keying

Waveform

sine, square

Frequency range

100μHz-20/40/80/120MHz

Phase range(P1,P2)

0~3600, Resolution:0.1o

Alternate Time

0.1ms-100s ±1%

Control mode

INT/EXT(External TTL level,P1:low-level,P2:high-level)

Burst

Waveform

sine,square,triangle,±Ramp,±Pulse,Rise/fall exponentional,Rise/fall logarithm,Cardiac,SIN(X)X.

Frequency Range

10mHz~100KHz

Counting

1-10000circles

Start Phase

0-360o,Resolution: 0.1o

Alternate Rate

0.1ms-100S ±1%

Trigger Source

INT, EXT, Single

Sweep

Waveform

Sine,Square

Frequency Range

100μHz-20/40/80/120MHz

Amplitude range

(F≤40MHz) 1mVpp-10Vpp(50Ω);2mVpp-20Vpp(open)

(F>40MHz) 1mVpp-1Vpp(50Ω); 2mVpp-2Vpp(open)

Sweep Mode

Linear, Logarithmic, Rise, Fall, Signal

Sweep Time

0.1ms-100s ±1%

Trigger source

INT, Signal

Storage Characteristic

Parameters

Freq., Amplitude, Waveform, DC Offset and Function Status

Capacity

8 grounp of set-ups

Recall Mode

Entire group of parameters is recalled with repective number

Storage time

Over 10years



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