ATFXXB function generator

Over voltage,over current short circuit protection reverse voltage protection

ATFxxD series Function Generator(ATF20D,ATF40D)

Introduction

ATFxxD series Function Generator(ATF20D,ATF40D) uses Direct Digital Synthesis(DDS) technology.Its outstanding performance and system features make it a perfect solution for your testing requirement.The simplified and optimized design of the front panel dual-language(English/Chinese) TFT display interface make your testing much easier for operation and observation.Additionally,the extendable optional functions can also improve your system characteristics.

Features

Direct digital synthesis(DDS) technology,2 independent output channels

3.5-inch TFT LCD display

32 kinds of standard or build-in fixed waveforms

Minimum stable output waveform:1mV(50Ω)

Multiple modulation functions:FM,FSK,ASK,PSK

Frequency sweep,amplitude sweep,burst and A+B functions

Count the frequency,period,amplitude RMS value or peak-to-peak value

Over voltage,over current,short circuit protection,reverse voltage protection

Optional configuations:RS232interface,USB interface,frequency counter,Power Amplifier

Technical specifications Output A characteristics

WAVEFORM

Waveform type	Sine,square,pulse,DC
Waveform length	4~16000 points
WAVEFORM	WAVEFORM
Sample rate	180Msa/s
Waveform amplitude resolution	10 bits
Sinusoidal Harmonic Rejection	≥50dBc(≤1MHz),≥40dBc(1MHz~20MHz)
Sine wave Total distortion	≤0.5%(20MHz~40MHz)
Pulse wave and square wave	Rise or fall time: ≤20ns,overshoot
Square wave duty cycle	50%

Frequency

Frequency range	40mHz~the maximum frequency,resolution 40Mhz 40uHz~1kHz,resolution:40uHz
Frequency accuracy	±(5X10-5+40mHz)

Amplitude

Amplitude range	2mVpp~20Vpp(high impedance) Resolution: 20mVpp(>2V),2mVpp(<2V)
Amplitude resolution	20mVpp(>2V),2mVpp(<2V)
Amplitude accuracy	±(1%+2mVrms)
Amplitude flatness	±5%(freq.<1MHz), ±10%(freq.1MHz~10MHz) ±20%(freq.10MHz~60MHz)
Amplitude stability	±0.5%/3hours
Output impedance	50Ω
Sine wave amplitude setting range	1mVpp~10Vpp,when output freq. ≤10MHz 1mVpp~5Vpp,when output freq. ≤40MHz 1mVpp~2Vpp,when output freq. ≥40MHz
Amplitude setting range	2mVpp~20Vpp,when output freq. ≤10MHz 2mVpp~10Vpp,when output freq. ≤40MHz 2mVpp~4Vpp,when output freq. ≥40MHz

Offset

Offset range	±10V(high impedance)
Offset resolution	20mV
Offset accuracy	±(1%+20mV)

Sweep

Sweep type	Linear sweep of frequency of amplitude
Sweep range	Free to set the start and stop points
Sweep step	Larger than any figure of the resolution
Sweep rate	10ms~60s/step
Sweep mode	Up,Down,Up-Down
Manual sweep	Step/time

FM

Modulation signal	Internal or external waveform
FM Deviation	0%~20%

AM

Modulation signal	Internal or external waveform
FM Depth	0%~120%

Shift keying

FSK	Free to set hop and the carrier frequency
ASK	Free to set hop and the carrier amplitude
PSK	Hop Phase:0~360,max resolution:11.25
Alternate rate	10ms~60s

Technical specifications Output A characteristics

WAVEFORM

Waveform type 32 kinds of waveforms,like sine,square,triangle,sawtooth,ladder etc

Waveform length 1024 points

Sample rate 12.5Msa/s

Amplitude resolution 8 bits

Frequency

Frequency range 40mHz~1MHz(sine)10mHz~100kHz(other waveforms)

Frequency resolution 10mHz

Frequency accuracy ±(1X10-5+10mHz)

Amplitude

Amplitude range 50mVpp~20Vpp(high impedance)

Amplitude Resulution 20mVpp

Output impedance 50Ω

Harmonic

Harmonic time 0.1~250.0 times

Harmonic frequency <1MHz

Phase adjustment coarse adjustment:11.25 degree/step,fine ajustment:2 degree/step

Burst

Channel B signal is used as burstsignal

Frequency of channel B 40mHz~1MHz

Burst frequency 30mHz~50kHz

Burst count 1~65000 cycles

Burst mode continuous burst and single burst

TTL

Waveform :rise/fall time 20ns(squre)

Frequency 40mHz~1MHz

Amplitude:TTL,CMOS compatible,low level <0.3V,high level>4V

General characteristics

Power supply:AC110V(1±10%)

Frequency 50Hz(1±5%)

Power consumption:<45VA

Operating temperature:0°C to 40°C

Operating humidity:80%R.H

Operating characteristics:keypad operation and rotary knob operation

Dimensions:415X295X195

Display:TFT display,320*240

Weight:3.5Kg

Accessories included

Standard

ATFxxB series DDS function generator

Power cord:1pc

Q9 testing cable:1pc

Q9 BNC-clip test lead:1pc

User’s Guide:1pc

RS232 cable(optional):1pc

Optional parts

RS232 interface USB universal serial bus interface power amplifier frequency counter

ATFXXB function generator