STM Development board
$15.99
{"id":4619617009751,"title":"DDS Signal Generator Module Development Board AD9850 AD9851 2 Sine Wave 2 Square Wave","handle":"dds-signal-generator-module-development-board-ad9850-ad9851-2-sine-wave-2-square-wave","description":"\u003cdiv\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\n\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eDirect Digital Synthesizer (DDS) is actually a frequency divider: divide the system clock (SYSTEM CLOCK) by programming the frequency control word to generate the required frequency. DDS has two outstanding features. On the one hand, DDS works in the digital domain. Once the frequency control word is updated, the output frequency will change accordingly and its frequency hopping rate is high. Higher), high frequency resolution. The internal structure of DDS is mainly divided into 3 parts: phase accumulator, phase amplitude conversion, digital-to-analog converter (DAC).\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eFeatures:\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eThe module can output sine wave and square wave, 2 sine wave and 2 square wave output.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eAD9850: 0-40MHz\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eAD9851: 0-70MHz\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eAfter the frequency is 20-30MHz, the harmonic becomes larger and larger, and the waveform will become more and more unclean.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eSquare wave: 0-1MHz\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eUses a 70MHz low-pass filter to make the waveform's SN ratio better\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003e10-bit DAC, 32-bit frequency control word\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eThe comparator's reference input voltage is generated by a variable resistor. Adjusting this resistor can get different duty cycle square waves.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eNote: In the case of outputting a sine wave, connect to the IO port of the square wave output and directly adjust\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eThe blue potentiometer can output a square wave.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eAD9850 module uses 125MHz active crystal, AD9851 module uses 30MHZ active crystal\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eAD9850 and AD9851 main differences:\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eThe clock frequency of AD9850 is up to 125MHz, and the clock frequency of AD9851 is up to 180MHz (30MHz * 6). The highest output frequency AD9851 is higher than AD9850.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eAD9850 does not have a 6 octave, AD9851 does\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cimg alt=\"360截图16280715579239\" src=\"https:\/\/ae01.alicdn.com\/kf\/Hc5daa92d026048708c71209229ab52aad.jpg\" style='box-sizing: border-box; border-style: none; vertical-align: middle; max-width: 100%; color: rgb(0, 0, 0); font-family: \"times new roman\", times, serif; font-size: 18px; text-align: center;'\u003e\u003cimg alt=\"1\" src=\"https:\/\/ae01.alicdn.com\/kf\/Hdc75e794585348f2a81d4dbd756d13693.jpg\"\u003e\u003cimg alt=\"2\" src=\"https:\/\/ae01.alicdn.com\/kf\/H5956e16a57ae4f67821e648e22a4a5f27.jpg\"\u003e\u003cimg alt=\"YX__65320\" src=\"https:\/\/ae01.alicdn.com\/kf\/He8d3deeefcca4cb99c074b715112fa9fG.jpg\"\u003e\u003cimg alt=\"YX__65325\" src=\"https:\/\/ae01.alicdn.com\/kf\/H99c6587935704d5f856712cceae8a545d.jpg\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cscript\u003ewindow.adminAccountId=116191644;\u003c\/script\u003e\n\u003c\/div\u003e\n","published_at":"2020-09-19T13:56:05+08:00","created_at":"2020-09-19T13:56:14+08:00","vendor":"DIYTECH","type":"STM Development board","tags":[],"price":1599,"price_min":1599,"price_max":1899,"available":true,"price_varies":true,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":32351318310999,"title":"AD9851 Module","option1":"AD9851 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class=\"detailmodule_html\"\u003e\n\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eDirect Digital Synthesizer (DDS) is actually a frequency divider: divide the system clock (SYSTEM CLOCK) by programming the frequency control word to generate the required frequency. DDS has two outstanding features. On the one hand, DDS works in the digital domain. Once the frequency control word is updated, the output frequency will change accordingly and its frequency hopping rate is high. Higher), high frequency resolution. The internal structure of DDS is mainly divided into 3 parts: phase accumulator, phase amplitude conversion, digital-to-analog converter (DAC).\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eFeatures:\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eThe module can output sine wave and square wave, 2 sine wave and 2 square wave output.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eAD9850: 0-40MHz\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eAD9851: 0-70MHz\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eAfter the frequency is 20-30MHz, the harmonic becomes larger and larger, and the waveform will become more and more unclean.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eSquare wave: 0-1MHz\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eUses a 70MHz low-pass filter to make the waveform's SN ratio better\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003e10-bit DAC, 32-bit frequency control word\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eThe comparator's reference input voltage is generated by a variable resistor. Adjusting this resistor can get different duty cycle square waves.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eNote: In the case of outputting a sine wave, connect to the IO port of the square wave output and directly adjust\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eThe blue potentiometer can output a square wave.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eAD9850 module uses 125MHz active crystal, AD9851 module uses 30MHZ active crystal\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eAD9850 and AD9851 main differences:\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eThe clock frequency of AD9850 is up to 125MHz, and the clock frequency of AD9851 is up to 180MHz (30MHz * 6). The highest output frequency AD9851 is higher than AD9850.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style='font-family: \"times new roman\", times, serif;'\u003eAD9850 does not have a 6 octave, AD9851 does\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cimg alt=\"360截图16280715579239\" src=\"https:\/\/ae01.alicdn.com\/kf\/Hc5daa92d026048708c71209229ab52aad.jpg\" style='box-sizing: border-box; border-style: none; vertical-align: middle; max-width: 100%; color: rgb(0, 0, 0); font-family: \"times new roman\", times, serif; font-size: 18px; text-align: center;'\u003e\u003cimg alt=\"1\" src=\"https:\/\/ae01.alicdn.com\/kf\/Hdc75e794585348f2a81d4dbd756d13693.jpg\"\u003e\u003cimg alt=\"2\" src=\"https:\/\/ae01.alicdn.com\/kf\/H5956e16a57ae4f67821e648e22a4a5f27.jpg\"\u003e\u003cimg alt=\"YX__65320\" src=\"https:\/\/ae01.alicdn.com\/kf\/He8d3deeefcca4cb99c074b715112fa9fG.jpg\"\u003e\u003cimg alt=\"YX__65325\" src=\"https:\/\/ae01.alicdn.com\/kf\/H99c6587935704d5f856712cceae8a545d.jpg\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cscript\u003ewindow.adminAccountId=116191644;\u003c\/script\u003e\n\u003c\/div\u003e\n"}
$5.49
{"id":4518058197079,"title":"STM32F103C8T6 ARM STM32 Minimum System Development Board Module For Arduino","handle":"stm32f103c8t6-arm-stm32-minimum-system-development-board-module-for-arduino","description":"\u003cp\u003e\u003cstrong\u003eFeature:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eModel: STM32F103C8T6.\u003cbr\u003eCore: ARM 32 Cortex-M3 CPU.\u003cbr\u003eDebug mode: SWD.\u003cbr\u003e72MHz work frequency.\u003cbr\u003e64K flash memory, 20K SRAM.\u003cbr\u003e2.0-3.6V power, I\/O.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eReset(POR\/PDR).\u003cbr\u003e4-16MHz crystal.\u003cbr\u003eMicro USB connector , you can give the board power supply and USB communication.\u003cbr\u003eSize:5.3cm x 2.2cm.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePackage Included:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e1 x STM32F103C8T6 ARM STM32 Minimum System Development Board Module For Arduin\u003c\/p\u003e","published_at":"2020-05-20T03:01:49+08:00","created_at":"2020-05-20T03:01:52+08:00","vendor":"DIYTECH","type":"STM Development board","tags":["Arduino","For Arduino","STM32"],"price":549,"price_min":549,"price_max":1628,"available":true,"price_varies":true,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":32179576897623,"title":"3pcs","option1":"3pcs","option2":null,"option3":null,"sku":"DT198-03","requires_shipping":true,"taxable":false,"featured_image":null,"available":true,"name":"STM32F103C8T6 ARM STM32 Minimum System Development Board Module For Arduino - 3pcs","public_title":"3pcs","options":["3pcs"],"price":549,"weight":18,"compare_at_price":null,"inventory_management":null,"barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":32179576930391,"title":"10pcs","option1":"10pcs","option2":null,"option3":null,"sku":"DT198-10","requires_shipping":false,"taxable":false,"featured_image":null,"available":true,"name":"STM32F103C8T6 ARM STM32 Minimum System Development Board Module For Arduino - 10pcs","public_title":"10pcs","options":["10pcs"],"price":1628,"weight":60,"compare_at_price":null,"inventory_management":null,"barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/diytech.cc\/cdn\/shop\/products\/1495434274_9092.jpg?v=1592420084"],"featured_image":"\/\/diytech.cc\/cdn\/shop\/products\/1495434274_9092.jpg?v=1592420084","options":["Batch"],"media":[{"alt":"STM32F103C8T6 ARM STM32 Minimum System Development Board Module For Arduino","id":6257516511319,"position":1,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/diytech.cc\/cdn\/shop\/products\/1495434274_9092.jpg?v=1592420084"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/diytech.cc\/cdn\/shop\/products\/1495434274_9092.jpg?v=1592420084","width":500}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003e\u003cstrong\u003eFeature:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eModel: STM32F103C8T6.\u003cbr\u003eCore: ARM 32 Cortex-M3 CPU.\u003cbr\u003eDebug mode: SWD.\u003cbr\u003e72MHz work frequency.\u003cbr\u003e64K flash memory, 20K SRAM.\u003cbr\u003e2.0-3.6V power, I\/O.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eReset(POR\/PDR).\u003cbr\u003e4-16MHz crystal.\u003cbr\u003eMicro USB connector , you can give the board power supply and USB communication.\u003cbr\u003eSize:5.3cm x 2.2cm.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePackage Included:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e1 x STM32F103C8T6 ARM STM32 Minimum System Development Board Module For Arduin\u003c\/p\u003e"}
