Related Questions

In an LC oscillator, the frequency of oscillator is ___________ L or C.
A Proportional to square of
B Directly proportional to
C Independent of the values of
D Inversely proportional to square root of
In a radio receiver, we generally use ___________ oscillator as a local oscillator
A Crystal
B Wien-bridge
C Phase-shift
D Hartley
একটি সরল দোলকের সুতার দৈর্ঘ্য 99 cm এবং এর দোলনকাল 2 sec হলে দোলক পিন্ডের ব্যাসার্ধ নির্ণয় কর। (The length of the string and period of oscillation of a simple oscillator are 99 cm and 2 sec, respectively. Find the radius of the oscillator.)
A 1.29 cm
B 7 mm
C 3.18 mm
D 0.28 cm
E 2.15 mm
If the crystal frequency changes with temperature, we say that crystal has ___________ temperature coefficient
A Positive
B Zero
C Negative
D None of the above
The application where one would most likely find a crystal oscillator is ___________
A Radio receiver
B Radio transmitter
C AF sweep generator
D None of the above
An important limitation of a crystal oscillator is ___________
A Its low output
B Its high Q
C Less availability of quartz crystal
D Its high output
The local oscillator of a broadcast receiver is tuned to a frequency higher than the incoming frequency
A To help the image frequency rejection
B To permit easier tracking
C Because otherwise an intermediate frequency could not be produced
D To allow adequate frequency coverage without switching
What is the local oscillator (mixer) frequency of the satellite with an uplink frequency in GHz band?
A 3500 MHz
B 4500 MHz
C 2225 MHz
D 2555 MHz
In a phase shift oscillator, the frequency determining elements are ___________
A L and C
B R, L and C
C R and C
D None of the above
___________ is a fixed frequency oscillator
A Phase-shift oscillator
B Hartely-oscillator
C Colpitt's oscillator
D Crystal oscillator

Next steps