Blocking Oscillator....

[Rohit Chatterjee]

Why is a blocking oscillator called so???Is it because the BJT remains in cut-off for the major part of the cycle???

 

[ama_trig]

I guess because the oscillator blocks itself from oscillating

 

[crutschow]

I guess because the oscillator blocks itself from oscillating

Not even a close guess.

It's as Rohit says. It's because the amplifying element is cut-off (blocked) for most of the oscillating period.

 

[Rohit Chatterjee]

Thnx for replying to my doubt....got anothr question though....is it an oscillator or does it produce a pulse when a trigger is applied (monostable)????Of course since it is called "oscillator" it should produce a continuous series of pulses....but the text which i studied described it as a monostable multivibrator......

 

[crutschow]

It's usual configuration is a free ruinning (astable) state but I would imagine it can also be configured as a monostable.