Which type of circuit is best suited to provide precise timing pulses for pulse RADARs?

The choice of a single-swing blocking oscillator for providing precise timing pulses in pulse RADAR applications is grounded in its ability to generate short, well-defined pulses. This type of circuit operates by utilizing a feedback mechanism that allows it to produce a single output swing per trigger event, making it effective for generating pulses of very specific durations.

The performance characteristics of a single-swing blocking oscillator include its high stability and sharp rise and fall times of the output pulse, which are essential for accurate timing in RADAR systems. The output pulses it generates can be tailored in width by adjusting various components, allowing for precise control necessary in applications where timing is critical for distance measurement and target detection.

In contrast, while the other circuit types have their own unique benefits, they may not be as effective at producing the required sharp, short-duration pulses. For example, AFC controlled sinewave oscillators tend to produce sinusoidal outputs rather than rectangular pulses needed for precise timing. Non-symmetrical astable multivibrators can generate pulse signals but may not offer the same level of precision and control as the single-swing blocking oscillator. Triggered flip-flop type multivibrators are also capable of generating digital output, but may not provide the requisite timing characteristics necessary for