6

RF Oscillators

The sources of the following circuits are contained in the Sources section, which begins on page 173. The figure number contained in the box of each circuit correlates to the source entry in the Sources section.

5-MHz VFO

Colpitts Oscillator

RF Oscillator

RF Genie

400-MHz Oscillator

2-MHz Oscillator

1.0-MHz Oscillator

Hartley Oscillator

500-MHz Oscillator

Low-Distortion Oscillator

Emitter-Coupled Big-Loop Oscillator

Wide-Range Oscillator

5-MHz VFO

image

Fig. 6-1 QST

A JFET (Q1) serves as the oscillator. D2 helps to stabilize the transistor by limiting positive sine wave peaks and stabilizing the bias. Output from Q1 is supplied ...

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