GRATTEN ATF20B+ Double Channel DDS Function Signal Generator Arbitrary Waveform Frequency Generator Meter 20MHz 100MSa/s

 

This function generator uses Direct Digital Synthesis (DDS) technology. Its outstanding performance makes it a perfect solution for your testing requirement. The simplified and optimized design of the front panel and TFT display make your testing much easier for operation and observation.
Features:
Direct Digital Synthesis(DDS) technology, 2 independent output channels.
High frequency resolution, full-range resolution is 1μHz.
32 kinds of standard waveforms, 8 groups of arbitrary waveforms.
40 groups of the user parameters storage and recall.
Multiple modulation functions: FM, FSK, ASK, PSK.
Frequency shifts to stable values instantly with constant phase and amplitude.
Frequency sweep, amplitude sweep and burst functions.
Count the frequency, period, amplitude RMS value or peak-to-peak value.
Over-voltage, over-current, output short-circuit and reverse voltage protections.
Input voltage is switchable(AC110V/AC220V) through the switch on the back of the instrument.
With RS232 interface.
3.5" TFT LCD display.
Specifications:

Model	ATF20B+
Output A Characteristics
WAVEFORM
Waveform type	32 types such as Sine, Square, Triangle, Pulse etc + 8 groups of arbitrary waveforms
Waveform length	1024 points
Sample rate	100 MSa/s
Vertical resolution	8 bits
Harmonic rejection (sine)	≥ 40dBc (< 1MHz), ≥ 35dBc (1MHz~20MHz)
Total distortion(sine)	≤1% (20Hz ~ 200kHz)
Rise/fall time of square	≤ 35ns
Overshoot	≤ 10%
Square duty cycle	1% ~ 99%
FREQUENCY
Frequency range	1μHz ~ max. frequency(sine) , 1μHz ~ 5MHz(square) , 1μHz ~1MHz(other waveforms)
Frequency Resolution	1μHz
Frequency Accuracy	± (5*10^(-5))
AMPLITUDE
Amplitude range	2mVpp ~ 20Vpp 1μHz~10MHz (high impedance) 2mVpp ~ 15Vpp 10MHz~15MHz (high impedance) 2mVpp ~ 8Vpp 15mHz~20MHz (high impedance)
Amplitude Resolution	20mVpp (amplitude>about 2 Vpp), 2mVpp (amplitude< about 2Vpp)
Amplitude Accuracy	± (1%+2mVrms)( high impedance,1kHz,sine)
Amplitude Flatness	±5% (<10MHz), ±10% (>10MHz)
Amplitude stability	± 0.5%/ 3 hours
Output impedance	50
OFFSET
Offset Range	±10V (high impedance, attenuation 0dB)
Offset Resolution	20mVdc
Offset accuracy	±(1% + 20mVdc)
SWEEP
Sweep Type	Frequency or amplitude sweep
Sweep range	free to set the start and stop points
Sweep Time	10ms~900s
Sweep mode	Up, Down, Up-Down, Single
FM
Carrier signal	Channel A signal
Modulating signal	internal signal of Channel B or external signal
FM depth	0% ~ 20%
SHIFT KEYING
FSK	free to set the carrier and hop frequency
ASK	free to set the carrier and hop amplitude
PSK	Hop Phase: 0 ~ 360°, Max. resolution: 1°
Alternate rate	10ms ~ 60s
BURST
Burst count	1~65000 cycles
Burst mode	internal, external, single
Output B Characteristics
WAVEFORM
Waveform type	32 kinds, such as sine, square, triangle, pulse etc + 8 groups of arbitrary waveforms
Waveform length	1024 points
Sample rate	12.5 MSa / s
Amplitude resolution	8 bits
Square duty cycle	1% ~ 99%
FREQUENCY
Frequency range	1μHz ~ 1MHz(sine) 1μHz ~100kHz (other waveforms)
Frequency Resolution	1μHz
Frequency Accuracy	± (1×10^(-5))
AMPLITUDE
Amplitude range	50mVpp ~ 20Vpp (high impedance)
Amplitude Resolution	20mVpp
Output impedance	50
BURST
Burst count	1~65000 cycles
Burst mode	internal, external, single
TTL Output Characteristics
TTL
Waveform	rise/fall time ≤ 20ns (square)
Frequency	10mHz ~ 1MHz
Amplitude	TTL,CMOS compatible, low level <0.3V,high level >4V
GENERAL CHARACTERISTICS
Power Supply	AC220V (1±10%) AC110V (1±10%) ((Voltage setting switch is on the back of the instrument)
Frequency	50Hz (1±5%)
Power Consumption	< 45VA
Operating Temperature	0°C to +40°C
Operating Humidity	<80% RH

Plug Type: US / EU(optional)
Item Size: 24 * 11 * 37.5cm / 9.45 * 4.33 * 14.76in
Item Weight: 3.63kg / 8lb
Package Size: 40 * 29 * 18cm / 15.75 * 11.42 * 7.09in
Package Weight: 4.68kg / 10.31lb
Package List:
1 * Function Generator
1 * Q9 Testing Cable
1 * Q9 BNC-Clips Test Lead
1 * RS232 Cable
1 * Power Line
1 * CD