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AD9833 DDS module with programmable attenuator A Direct Digital Synthesis module using the AD9833 IC and a 25MHz crystal oscillator. As described in the El Cheapo Asian Electronics Modules article in the April 2017 issue. This is the version with the onboard programmable gain amplifier. The SMA and header connectors may be supplied pre-soldered. Cat No SC4205. Price: AUD $25.00 1  Add to trolley (available until stock is exhausted) In stock: yes (5 available). Estimated dispatch time: 1-3 days Related to: Feature: El Cheapo Modules, Part 6: Direct Digital Synthesiser (April 2017 [print issue] [online issue]) Project: Micromite BackPack Touchscreen DDS Signal Generator (April 2017 [print issue] [online issue]) Project: Dead simple radio IF alignment with DDS (September 2017 [print issue] [online issue]) Circuit Notebook: Combining DDS and IF alignment circuits (March 2020 [print issue] [online issue]) Other items relevant to these projects: Combining DDS and IF alignment circuits: Micromite LCD BackPack V2 complete kit ($70.00) Add to trolley (with default options) Firmware (HEX) file and BASIC source code for the Micromite-based Radio IF Alignment [DDSIFAlign.HEX] (Free) Add to trolley Dead simple radio IF alignment with DDS: Micromite LCD BackPack PCB [2.8-inch version) [07102122] ($5.00) Add 1 to trolley PIC32MX170F256B-50I/SP programmed for the Micromite-based radio IF alignment with DDS [DDSIFAlign.HEX] ($15.00) Add to trolley MCP1700 3.3V LDO (TO-92) ($2.00) Add 1 to trolley CP2102-based USB/TTL serial converter with 5-pin header and 30cm jumper cable ($5.00) Add to trolley Matte/Gloss Black UB3 Lid for 2.8-inch Micromite LCD BackPack ($5.00) Add to trolley Clear UB3 Lid for 2.8-inch Micromite LCD BackPack ($5.00) Add 1 to trolley Gloss Black UB3 Lid for 2.8-inch Micromite LCD BackPack ($4.00) Add to trolley Micromite LCD BackPack PCB patterns (PDF download) [07102121/2] (Free) Add to trolley Micromite LCD BackPack/Ultrasonic sensor lid cutting diagrams (download) (Free) Add to trolley Micromite BackPack Touchscreen DDS Signal Generator: PIC32MX170F256B-50I/SP programmed for the Micromite-based DDS Signal Generator [SigGeneratorFull.HEX] ($15.00) Add to trolley Software for the Micromite-based Touchscreen DDS Signal Generator [SigGeneratorFull.HEX] (Free) Add to trolley El Cheapo Modules, Part 6: Direct Digital Synthesiser: AD9833 DDS module without attenuator ($15.00) Add to trolley Software for El Cheapo Modules: AD9833 DDS (Free) Add to trolley