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Notice:   The new tracking number for  Yanwen Economic Air Mail can be traced only befor it arrive the airport of your country,please choose  Special Line-YW/China Post Air Mail or AliExpress Standard Shipping.if you want a full tracking info.The same product will arrive in 15 to 60 days.Tracking info of  Yanwen Economic Air Mail can be check here: www.17track.net/en Description:1. Chip board ENC28J60/SS.2. The board 25MHZ crystal.3. The network interface board HR911105A.4. 3.3V power supply pin.5. Size: 48.8 (mm) x 18.5 (mm).Description:1. Chip board ENC28J60/SS.2. The board 25MHZ crystal.3. The network interface board HR911105A.4. 3.3V power supply pin.5. Size: 48.8 (mm) x 18.5 (mm).
Module property:Non-isolation buckRectification mode:Non-synchronous rectifierInput voltage:3V-40VOutput voltage:1.3V-35VOutput current:Rated current is 2A,maximum 3A(Additional heatsink is required)Conversion efficiency:92%( highest )Switching frequency:65KHzOutput ripple:30mV( maximum )Load regulation:±0.5%Voltage regulation:± 2.5%Work temperature:-Minus 40 degrees - 85 degreesdimension:43mm*21mm*14mm(L*W*G)NOTE:This can't be used to step up VoltagePackage Include: 10x Step Down Module LM2596
description:1: input: dc 4.5 v 7 v input voltage must be more than to output voltage high 1 v above.)2: output: 3.3 v, 800 ma load current can't more than 800 ma)3: pcb size: 8.6 * 12.3 mmattention:1: boost or buck modules modules indicate the operating voltage, please donot exceed operating voltage, or it will be damaged easily.2: boost module output voltage can only be greater than or equal to the input voltage, cannot be less than the input voltage.3: buck module input voltage must be higher than output voltage of 1.5v or 2v, otherwise it can not output enough power.4: automatic adjustable boost or buck modules has start voltage and limit working voltage, please donot exceed them, or it will be damaged easily.5: cannot reverse polarity, or it will be short circuit, or will be born easil...
Features: 1. AD9850: 0-40MHz.2. 2 sine wave and 2 square wave output.3. After the 20-30MHz frequency harmonics increases, the waveform will be less and less clean.4. Square Wave: 0-1MHz.5. Low-pass filter with 70MHz, so the waveform better than SN.6. Parallel and serial data input can be selected via a jumper.7. DA produced the benchmark pin (PIN12) leads for easy adjustment to do the magnitude of the output waveform Application.8. Comparator reference input voltage generated by the variable resistor, the resistor can be adjusted duty cycle square wave of different.9. Active AD9850 125MHz crystal oscillator modules.10. Dimension:4.5cm x 2.6cm
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