Catégorie : Technique
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Ref 10Mhz OCXO ( AliExpress )
Read More : Ref 10Mhz OCXO ( AliExpress )Voici une reference OCXO de 10Mhz stable . Il est necessaire de faire quelques modification pour la caler sur la reference 10Mhz GPSDO. Elle offre l’avantage d’etre autonome et stable. Achat : https://fr.aliexpress.com/item/1005004468962296.html?spm=a2g0o.detail.pcDetailTopMoreOtherSeller.1.14e5VA97VA97j3&gps-id=pcDetailTopMoreOtherSeller&scm=1007.40050.354490.0&scm_id=1007.40050.354490.0&scm-url=1007.40050.354490.0&pvid=21beaa87-134b-43db-b876-e3d38301c0ac&_t=gps-id:pcDetailTopMoreOtherSeller,scm-url:1007.40050.354490.0,pvid:21beaa87-134b-43db-b876-e3d38301c0ac,tpp_buckets:668%232846%238108%231977&isseo=y&pdp_npi=4%40dis%21EUR%2122.40%2112.77%21%21%2123.44%2113.36%21%40211b61a417194202282754433e1983%2112000029273040548%21rec%21FR%21907717511%21&utparam-url=scene%3ApcDetailTopMoreOtherSeller%7Cquery_from%3A Modification : Suppression R1 et CourtCircuit R3 + Ajuster la frequence avec une reference https://www.eevblog.com/forum/projects/cheap-chinese-ocxo-frequency-reference-modules
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Oscilateur COLPITS – LTSPICE
Read More : Oscilateur COLPITS – LTSPICEOscilateur Colpits en simulation sur LTSPICE – Frequence 12khz Lien : https://www.youtube.com/watch?v=bb5MMgNZ-OU&t=338s&ab_channel=Vocademy-ElectronicsTechnology
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PLUTO Clocker
Read More : PLUTO ClockerProjet de plioter la Ref Externe 40Mhz de l’Adalm Pluto et 25 Mhz LNB Lien : https://hf5l.pl/en/adalm-pluto-clocker-2/ https://github.com/cr1tbit/GNI-plutoclocker?tab=readme-ov-file
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ADF4351 Synth 35Mhz-4.4Ghz
code : /* ————————————————————————- * * Name : ADF4351 Controled Board 35Mhz-4.4Ghz with 10Mhz OCXO Reference * Author : Stéphane HELAIEM – F4IRX * Date : july 12, 2025 * Purpose: ADF 4351 Synth * Versions: * 1.0 : ARDUINO NANO * 1.1a : Change to ESP32 C3 ( 3.3v…
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ADF4351 controlled with ESP32
ref : https://github.com/Ryushane/ADF4351-ESP32 https://github.com/dfannin/adf4351 code test : #include « ADF4351.h » #include <SPI.h> #define clock 4 #define data 6 #define LE 7 #define CE 10 ADF4351 adf4351(clock,data,LE,CE); // declares object PLL of type ADF4351 void setup() { Serial.begin(115200); adf4351.begin(); // ref =25Mhz freq :41Mhz adf4351.WriteRegister(0x00580005); // R5 adf4351.WriteRegister(0xEC81FC); // R4 adf4351.WriteRegister(0x000004B3);…
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PICO VBAND
Ref : https://github.com/f4goh/pico_vband schema Code // SPDX-License-Identifier: MIT // // VBAND CW USB dongle based on a Pi Pico. // Also supports other key outputs for Vail and morsecode.me etc. // // Inspired from similar projects at: // https://github.com/sipsmi/vband_dongle/tree/main // https://github.com/mgiugliano/MorsePaddle2USB // https://github.com/nealey/vail-adapter // // There is also a PiPico circuit python implementation shown on…