tcxo
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| — | tcxo [2018-08-26 17:51:49] (current) – created - external edit 127.0.0.1 | ||
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| + | ====== RTL-SDR TCXO mod ====== | ||
| + | * Buy [[http:// | ||
| + | * Desolder RTL-SDR xtal | ||
| + | |||
| + | < | ||
| + | / | ||
| + | | 1 3 | | ||
| + | | 2 4 | | ||
| + | | ||
| + | (top view) | ||
| + | </ | ||
| + | |||
| + | * Solder: | ||
| + | * 1 ... +3.3V (can be found e.g. on the IR receiver) | ||
| + | * 2 ... not connected | ||
| + | * For rtl-sdr that used the small rectangular oscillator: | ||
| + | * 3 ... R820T pin 8 (the second in the second row) | ||
| + | * For rtl-sdr that used the 2-pin THT xtal | ||
| + | * 3 ... the other pin than pin 8 that was connected to the xtal | ||
| + | * 4 ... GND | ||
| + | * Enjoy your 0.5ppm experience! | ||
| + | |||
| + | * When used in constant temperature, | ||
| + | * However, increasing the temperature from 28 to 48 °C means 0.14 ppm drift of the TCXO, but 3 ppm drift of the original oscillator. | ||
tcxo.txt · Last modified: by 127.0.0.1