20MHz Arbitrary Waveform Dual Channel DDS Function Signal Generator + 2.4"LCD 20MHz Arbitrary Waveform Dual Channel DDS Function Signal Generator + 2.4"LCD Product Description 20MHz DDS Function Signal Generator Module Arbitrary Wave TTL Output with Sweep Fuction Manual &sofware Download http://www.sendspace.com/file/r6z55l Introduction of the instrument: The instrument uses a large-scale high-speed FPGA + ARM microprocessor, display with 2.4-inch TFT color LCD display. The instrument has dual DDS signal output waveform output has sine, square, triangle, pulse, linear frequency sweep, logarithmic frequency scanning signal generating function, and can achieve arbitrary waveform generation function of the signal, the highest frequency sinusoidal signal to 20MHz, frequency resolution up 10uHz. In addition TTL sync input waveform output and SYNC is the same terminal, take advantage of this feature allows multiple signal generator phase synchronization, enabling multi-channel signal generator functions. Measurement, the instrument has a frequency measurement, period measurement, positive pulse, negative pulse width measurement and counting functions. This instrument is an electronics engineer, electronics laboratories, production lines and teaching, research and the ideal test, measurement equipment. The main features: 1 direct digital synthesis (DDS) technology , FPGA design , ultra-low power consumption ; 2 uses a single 5V power adapter , if the user has moved the power , but also to facilitate the achievement of field work ; 3 sine wave signal output frequency is 10uHz ~ 20MHz; 4 square wave, pulse wave , triangle wave output frequency is 10uHz ~ 1MHz; 5 contains an internal precision attenuator circuit, the small-signal output is more accurate ; 6 waveform frequency resolution up to 10uHz; 7 with an arbitrary starting point, the end of the frequency setting , linear and logarithmic sweep sweep function ; 8 has a frequency measurement, period measurement , pulse width measurement and counting positive and negative features ; 9 has a control function of the number of output pulses can be controlled by the output pulses of 1 to 1,048,575 according to the setting function 10 All parametric equalizer can be done by an internal calibration procedure ; 11 interface using interactive menus , support Chinese and English language options , allowing users a glance ; 12 chassis compact shape, easy to carry , comfortable and flexible key operation . 13 can communicate with the PC , use the PC to control the instrument , and the ability to edit arbitrary waveforms on a PC to download to the instrument output waveform. Main technology data Waveform characteristics : Waveforms: sine, square , triangle , pulse , TTL wave, any wave Sine Wave Distortion : 0.3% (20Hz ~ 20KHz) Square wave rise and fall time : <20ns Frequency characteristics : Frequency range : 0 ~ 20MHz Resolution : 10uHz Frequency error : ± 5 x 10-6 Frequency stability : ± 1 x 10-6 Amplitude characteristics : Output impedance : 50? ± 10% Amplitude Range : 10mVp-p ~ 20Vp-p Amplitude resolution : 10mV Amplitude Stability : ± 0.5% (5 HOURS ) Amplitude errors : (± 1% +20 mV) ( frequency 1KHz, 20 Vp-p) The duty cycle of the square wave : Range: 0.1% to +99.9 % Resolution: 0.1% Phase characteristics : Range : 0 ~ 360deg Resolution : 1deg Sweep features: Sweep range : 10mHz ~ 20MHz Scan time : 1S ~ 99S Scanning mode: linear sweep , logarithmic sweep Frequency / Counter technical indicators : Frequency Measuring Range : 1Hz ~ 60MHz Minimum input voltage : 0.5Vp-p The maximum allowable input voltage : 20 Vp-p Counting capacity: 10 ( 10 hex ) Count : Manual Interface: USB interface . weight: about 0.45kg Package : DDS module x1 5V Power supply x1 1 x Signal Output Cable Our Working Time is as below (GMT+8): 9:30AM -- 6:00PM (Monday to Friday) Please allow us at least 24 hours to reply you when in the office, thanks! Shipping If you intend to bid for more than 1 item, then we can ship them together. The total shipping fee will be the sum of individual shipping fees. There is no further discount. We only ship to ebay registered address. So please be assure your address in ebay is Correct and Valid. Item will be shipped within 24 hours on payment received from Hong Kong using Airmail. Delivery time depends on destination and other factors, it may takes up to 30 business days. Optionally, Express Shipments with tracking service via EMS/DHL/UPS with a quoted delivery time of 5 to 7 business days is also available Here is the estimated time for your reference only: The delivery time may vary due to public holidays, countries, and customs etc. Thanks for your understanding! We ship item promptly and please rate us 5 star on shipping time according to ebay rules. http://pages.ebay.com/help/feedback/detailed-seller-ratings.html Feedback The delivery time may vary due to public holidays, countries, and customs etc. Thanks for your understanding! If you are considering giving a neutral or negative or a low DSR(4 star or below), do write to us and give us an opportunity to address your concerns first. We are always stand-by to help for any questions or concerns. Positive feedback is automatically left for you after you left to us positive feedback. Return Returns: We stand behind every product we sell. If you're not pleased with your purchase, please kindly contact our customer service representatives via email or ebay "Contact seller" for an authorized RMA number. Your returned product(s) will not be processed without a RMA. Buyer is responsible for return costs. Payment PayPal payment only. Any VAT or TAX are not counted. If buyer required to cancel bid for their mistake or any other personal reasons, 5% of the total price is charged for relisting and restocking fee. We didn't ship to Africa, Italy, China,HongKong, Macau,Taiwan due to cross-border express delivery and customs issue ,pls understand and pay your attention to it before bidding or buying. inkfrog terapeak i000000 On Sep-21-14 at 18:22:48 PDT, seller added the following information:
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