Product Description
DDS Function Generator
Brand:GRATTEN
• 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)
Product Description
ATFXXD Series Function generator 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 and 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 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
• Optional configurations: RS232 interface, Frequency Counter, Power Amplifier
TECHNICAL SPECIFICATIONS
Output A Characteristics | ||
WAVEFORM | Waveform type | sine, square, pulse, DC |
Waveform length | 4~16000 points | |
Sample rate | 180 MSa/s | |
Vertical resolution | 10 bits | |
Sinusoidal Harmonic Rejection | ≥50dBc(≤1MHz), ≥ 40dBc (1MHz~20MHz),
≥30dBc (20MHz~40MHz) |
|
Sine Wave Total Distortion | ≤0.5 % (20Hz~200kHz) | |
Pulse Wave and Square Wave | rise or fall time: ≤20ns | |
Overshoot | 5 % | |
Square Wave Duty Cycle | 50% | |
FREQUENCY | Frequency range | 40mHz the maximum frequency, resolution: 40 Mhz
40μHz~ 1kHz, resolution: 40μHz |
Frequency Accuracy | ±(5×10-5 + 40mHz) | |
AMPLITUDE | Amplitude range | 2mVpp 20Vpp (high impedance)
Resolution: 20mVpp (amplitude > 2V), 2mVpp (amplitude < 2V) |
Amplitude Resolution | 20mVpp (amplitude > 2V), 2mVpp (amplitude < 2V) | |
Amplitude Accuracy | ±(1%+2mVrms) (high impedance, RMS, frequency 1 kHz) | |
Amplitude Flatness | ±5% (frequency<1MHz), ±10% (frequency between 1MHz~10MHz)
±20% (frequency between 10 MHZ~60MHz) |
|
Amplitude stability | ± 0.5%/ 3 hours | |
Output impedance | 50Ω | |
Sine Wave Amplitude Setting Range
(50?) |
1mVpp~10Vpp, when output frequency ≤10MHz
1mVpp~5Vpp, when output frequency ≤40MHz 1mVpp~2Vpp, when output frequency ≥40MHz |
|
Amplitude Setting Range
(high Impedance) |
2mVpp~20Vpp, when output frequency ≤10MHz
2mVpp~10Vpp, when output frequency ≤40MHz 2mVpp~4Vpp, when output frequency ≥40MHz |
|
OFFSET | Offset Range | ±10V (high impedance, attenuation 0dB) |
Offset Resolution | 20mVdc | |
Offset accuracy | ±(1% + 20mVdc) | |
SWEEP | 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 | |
Manual Sweep | Step/time | |
FM | Modulating signal | Internal or external waveforms |
FM depth | 0% ~ 20% | |
AM | Modulating signal | Internal or external waveforms |
FM depth | 0% ~ 120% | |
SHIFT KEYING | FSK | Free to set the hop frequency and the carrier frequency |
ASK | Free to set the hop amplitude and the carrier amplitude | |
PSK | Hop Phase: 0 ~ 360°, Max. resolution: 11.25° | |
Alternate rate | 10ms ~ 60s |
Output B Characteristics | ||
WAVEFORM | Waveform type | 32 kinds, such as sine, square, triangle, pulse etc |
Waveform length | 1024 points | |
Sample rate | 12.5 MSa / s | |
Amplitude resolution | 8 bits | |
Square duty cycle | 1% ~ 99% | |
FREQUENCY | Frequency range | 40mHz ~ 1MHz(sine) 10mHz ~100kHz (other waveforms) |
Frequency Resolution | 10mHz | |
Frequency Accuracy | ± (1×10-5 + 10mHz) | |
AMPLITUDE | Amplitude range | 50mVpp ~ 20Vpp (high impedance) |
Amplitude Resolution | 20mVpp | |
Output impedance | 50? | |
BURST | Channel | Channel B frequency is the harmonic wave of Channel A |
Channel B frequency | 40mHz ~ 1 MHz | |
Burst frequency | 30mHz ~ 50kHz | |
Burst count | 1~65000 cycles | |
Burst mode | Continuous burst and single burst |
TTL Output Characteristics | ||
TTL | Waveform | rise/fall time 20ns (square) |
Frequency | 40mHz ~ 1MHz | |
Amplitude | TTL,CMOS compatible, low level <0.3V,high level >4V |
GENERAL CHARACTERISTICS | |
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 |
Weight | 3.5kg |