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a balanced modulator can use any non linear device which has a response of the form:- i=a+ bv + cv2 +..... it generally utilises a push pull FET circuit or a pair of identical diodes. the modulating voltage is tapped in between and with RF in series is fed to both source of FET. the gate of both FET gets AF and RF, AF tapped from either side of secondary coil makes it 180 deg out of phase. the drain outcome is added by which the phase opp carrier cancells leaving sidebands and modulating freq, which also can be filtered with tuned secondary at load.
What else can I help you with?
AM-DSB-SC signal which detector is used?
WE CAN use the balanced modulator & also the double balanced modulator(DBM) THANKS. ASMA
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What is the maximum power efficiency of an AM modulator?
50%
Difference between varactor modulator and reactance modulator?
A varactor modulator uses a varactor diode, which changes its capacitance with varying voltage, to modulate signals, typically in frequency modulation applications. In contrast, a reactance modulator alters the reactance of a circuit using various components (like capacitors or inductors) to achieve modulation, often in amplitude modulation schemes. While both techniques modify the reactive properties of a circuit to achieve modulation, the varactor modulator specifically relies on the tunable capacitance of the varactor diode for its operation.
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Why balanced modulator is called balanced modulator?
the output from a balanced modulator consists of modulating freq also. this can be eliminated in a diode modulator by adding two more diodes, making a diode ring. therefore called ring modulator
Why balanced modulator is called ring modulator?
the output from a balanced modulator consists of modulating freq also. this can be eliminated in a diode modulator by adding two more diodes, making a diode ring. therefore called ring modulator
How is balanced modulator different from diode bridge modulator?
A diode bridge modulator is one kind of balanced modulator.
What does a balanced modulator produce?
Please answerin the case of communication , a balanced modulator is used to suppress the carrier from a conventional amplitude modulated signal
AM-DSB-SC signal which detector is used?
WE CAN use the balanced modulator & also the double balanced modulator(DBM) THANKS. ASMA
What is a diode modulator?
A diode modulator is a type of AM modulator constructed using diodes. One type of diode modulator is the ring modulator shown in the image.
Could a balanced modulator be used as a synchronous detector?
yes
Is there a seal at the end of the vacuum modulator?
There should be an o-ring where the modulator is inserted into the transmission. There should be no fluid where the vacuum line attaches, if so the modulator is bad.
Block diagram of amplitude modulation?
The basic block diagram consists of a modulator which may be a product modulator or a balanced modulator. The audio input signal is fed to the input of the modulator and there it is being multiplied by the carrier signal which is generated by using a oscillator. This block diagram in its crude form is given by:
How do you replace the vacuum modulator on a 1967 mustang?
Jack up and support the rear of the car to minimize fluid loss. Remove vacuum hose from modulator. Remove bolt and retaining clip from under modulator. Remove modulator by pulling straight out. Install new modulator with new o-ring, replace clip and bolt and vacuum hose.
Which transistor is used in internal structure of LM 1496 balanced modulator demodulator IC?
A 2N3904 is the one in this package.
How do you remove the modulator on a 1967 Chevy truck?
Assuming this is a PowerGlide or Turbo-350 automatic transmission vacuum modulator, to minimize fluid loss jack up the rear of the truck and support with suitable jack stands, place a drip pan under the modulator, pull off the vacuum line from the modulator, remove the small bolt and clamp holding the modulator in place, gently twist and pull the modulator out taking care not to lose the small actuator pin inside. Keep the dirt from entering the opening. Install the new modulator with a new o-ring.
