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ATTEN ATF20B DDS Function Generator ATF20B Signal Generator

ATTEN ATF20B DDS Function Generator ATF20B Signal Generator


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ATTEN ATF20B is atten Direct Digital Synthesis Function Waveform Signal Generator. ATTEN ATF20B DDS Function Generator with 2 independent output channels. ATF20B Signal Generator support 32 kinds of standard or build-in fixed waveforms.

ATTEN ATF20B DDS Function Generator ATF20B Signal Generator

ATTEN ATF20B DDS function generator using digital synthesis technology, with a rapid completion of performance targets required for measurements and numerous features. The simple but clear design and the front panel / English LCD interface allows you more ease of operation and observation, scalable option feature allows you to obtain enhanced system features.

ATTEN ATF20B DDS Features:

- Direct Digital Synthesis(DDS) technology, 2 independent output channels
- 3.5-inch TFT LCD display
- High Frequency Resolution: full-range resolution is 40 MHz
- Store 40 sets of the user parameters and recall
- 32 kinds of standard or build-in fixed waveforms
- Minimum stable output waveform: 1mV(50)
- Multiple modulation functions: FM, FSK, ASK, PSK
- 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
- High reliability: use VLSI components and surface mount technology
- Power Amplifier: optional part, maximum output power up to 7W
- Optional configurations: RS232 interface, Frequency Counter, Power Amplifier

Output A Characteristics:


Waveform type 32 kinds, such as Sine, Square, Triangle, Pulse etc

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 range 40mHz ~ max. frequency(sine) , 40mHz ~1MHz(other waveforms)

Frequency Resolution 40mHz

Frequency Accuracy ± (50ppm+ 40mHz)


Amplitude range :2mVpp ~ 20Vpp 40mHz~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 Range ±10V (high impedance, attenuation 0dB)

Offset Resolution 20mVdc

Offset accuracy ±(1% + 20mVdc)


Sweep Type Linear sweep or frequency or 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, Single


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 count 1~65000 cycles

Burst mode internal, external, single

TTL Output Characteristics:


Waveform rise/fall time  20ns (square)

Frequency 40mHz ~ 1MHz

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

ATTEN ATF20B DDS Function Waveform Generator General Charactristics:

- Power Supply: AC220V (1±10%) / AC110V (1±10%) (Pay attention to the voltage selection on rear panel)
- Frequency:50Hz (1±5%)
- Power Consumption: < 45VA
- Operating Temperature: 0°C to +40°C
- Operating Humidity: 80% R.H
- Operation Characteristics: Keypad operation and rotary knob operation
- Dimensions: 415mm x 295mm x 195mm
- Display: TFT display, 320*240
- Package Weight: 4.5 KG

ATF20B Signal Generator Package

1pc x ATTEN ATF20B Signal Generator
1pc x USB wire
1pc x powe cord
1pc x Manual

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Technical Support: Free

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