Wadley Loop
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Wadley Loop circuit was designed by Dr. Trevor Wadley in the 1940s and was first used for a stable Wavemeter.In a traditional superheterodyne radio receiver, most oscillator drift and instability occurs in the first frequency converter stage, because it is tunable and operating at a high frequency. In theory, if one can eliminate this drift, the receiver will be stable.Unlike other drift-reducing techniques (such as crystal control or frequency synthesis), the…mehr

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Wadley Loop circuit was designed by Dr. Trevor Wadley in the 1940s and was first used for a stable Wavemeter.In a traditional superheterodyne radio receiver, most oscillator drift and instability occurs in the first frequency converter stage, because it is tunable and operating at a high frequency. In theory, if one can eliminate this drift, the receiver will be stable.Unlike other drift-reducing techniques (such as crystal control or frequency synthesis), the Wadley Loop does not attempt to stabilize the oscillator. Instead, it cancels the drift mathematically.