Schematic for Fixed 45MHz Sine Wave Oscillator Design Recommendations

The discussion centers on designing a fixed 45 MHz sine wave oscillator. Initial requests seek schematic assistance for a stable, fixed-frequency oscillator at 45 MHz. Responses suggest options including building a custom oscillator circuit, referencing the ARRL Ham Radio Handbook for designs in the 1 to 50 MHz range, or purchasing low-cost, stable packaged oscillators from suppliers like DigiKey. A programmable oscillator module, the CSX-750P series, is proposed as an alternative, capable of frequencies up to 100 MHz; however, concerns arise regarding its output waveform being a square wave rather than a sine wave and unclear programming methods. Additional advice includes using private messaging for sharing detailed schematics and caution about file formats for circuit diagrams. Key design considerations highlighted include frequency stability, output waveform type, power output, supply voltage, and operating conditions.
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