Product Description
DDS Function Generator
Brand:GRATTEN
• D1irect 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)
PRODUCT DESCRIPTION
ATFXXB 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
• 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
TECHNICAL SPECIFICATIONS
Output A Characteristics | ||
WAVEFORM | Waveform type | 32 types 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 | Frequency range | 40mHz ~ max. frequency(sine) , 40mHz ~1MHz(other waveforms) |
Frequency Resolution | 40mHz | |
Frequency Accuracy | ± (50ppm+ 40mHz) | |
AMPLITUDE | 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 |
|
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 | 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 | |
FM | Carrier singal | 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 |
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 | Burst count | 1~65000 cycles |
Burst mode | internal, external, single |
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 |