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 1鈴Hz.
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 1鈴Hz ~ max. frequency(sine) ， 1鈴Hz ~ 5MHz(square) ， 1鈴Hz ~1MHz(other waveforms)
Frequency Resolution 1鈴Hz
Frequency Accuracy ± (5*10^(-5))
AMPLITUDE
Amplitude range 2mVpp ~ 20Vpp 1鈴Hz~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 1鈴Hz ~ 1MHz(sine) 1鈴Hz ~100kHz (other waveforms)
Frequency Resolution 1鈴Hz
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

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