What is the main difference between the Armstrong oscillator and the Hartley oscillator?

What is the main difference between the Armstrong  oscillator and the Hartley oscillator?
by

1 Answer

Answer :

Feedback coil. Armstrong uses a separate coil. Hartley uses a  tapped coil.
by

Related questions

What is the difference between the series-fed and the shunt-fed Hartley oscillator?

Description : What is the difference between the series-fed and the shunt-fed Hartley oscillator?

Last Answer : In the series-fed Hartley oscillator, dc flows through the tank circuit.

What is role of LC circuit in the hartley oscillator?

Description : What is role of LC circuit in the hartley oscillator?

Last Answer : Self-tuning feedback

One of the following is a high powered RF ac basic transmitter that has two or more stages, the oscillator stage which determines the frequency opereation and RF amplifier stage orstages that develop the high power output. The purpose of which is to develop a good frequency stability. A. Goldsmith B. MOPA C. Alexanderson D. Hartley

Description : One of the following is a high powered RF ac basic transmitter that has two or more stages, the oscillator stage which determines the frequency opereation and RF amplifier stage orstages that develop the ... to develop a good frequency stability. A. Goldsmith B. MOPA C. Alexanderson D. Hartley

Last Answer : B. MOPA

The stability of transmitted signal from a simple Hartley oscillator single transmitter which is coupled to and antenna wire affected by ______. A. Chirping of oscillator B. Closer coupling between the oscillator and the antenna. C. Location of antenna D. Material of antenna

Description : The stability of transmitted signal from a simple Hartley oscillator single transmitter which is coupled to and antenna wire affected by ______. A. Chirping of oscillator B. Closer coupling between the oscillator and the antenna. C. Location of antenna D. Material of antenna

Last Answer : B. Closer coupling between the oscillator and the antenna.

Draw and explain Hartley Oscillator circuit diagram.

Description : Draw and explain Hartley Oscillator circuit diagram.

Last Answer : Function of each component: 1. An NPN transistor connected in a common emitter configuration works as the active device in amplifier stage and CE configuration provides 180°phase shift. 2. R1 and R2 ... circuit to the base-emitter circuit.  The frequency of oscillation is given as-  

The basic Hartley oscillator uses:

Description : The basic Hartley oscillator uses: (1) One inductor and two capacitors (2) A centre tapped inductor and a capacitor (3) Two capacitors (4) Tickler coil 

Last Answer : The basic Hartley oscillator uses: A centre tapped inductor and a capacitor

A Hartley Oscillator is used for generating

Description : A Hartley Oscillator is used for generating (A) very low frequency Oscillation (B) radio-frequency Oscillation (C) microwave Oscillation (D) audio-frequency Oscillation

Last Answer : A Hartley Oscillator is used for generating radio-frequency Oscillation

In a heterodyne-type frequency meter, what is the difference between the oscillator frequency and the unknown frequency?

Description : In a heterodyne-type frequency meter, what is the difference between the oscillator frequency and the unknown frequency?

Last Answer : Beat frequency.

What component in a blocking oscillator controls pulse width?

Description : What component in a blocking oscillator controls pulse width?

Last Answer : Transformer.

What signal is used to synchronize the coherent oscillator to a fixed phase relationship with the transmitted pulse?

Description : What signal is used to synchronize the coherent oscillator to a fixed phase relationship with the transmitted pulse?

Last Answer : Coho lock pulse.

What is the primary advantage of power-amplifier transmitters over keyed-oscillator transmitters?

Description : What is the primary advantage of power-amplifier transmitters over keyed-oscillator transmitters?

Last Answer : Frequency stability.

Name a disadvantage of sine-wave oscillator synchronizers.

Description : Name a disadvantage of sine-wave oscillator synchronizers.

Last Answer : It requires additional shaping circuits.

What basic circuits meet the requirements of an externally synchronized master oscillator?

Description : What basic circuits meet the requirements of an externally synchronized master oscillator?

Last Answer : Sine-wave oscillator, single-swing blocking oscillator, and master trigger (astable) multivibrator.

What is the primary advantage of power-amplifier transmitters over keyed-oscillator transmitters?

Description : What is the primary advantage of power-amplifier transmitters over keyed-oscillator transmitters?

Last Answer : Frequency stability.

Name a disadvantage of sine-wave oscillator synchronizers.

Description : Name a disadvantage of sine-wave oscillator synchronizers.

Last Answer : . It requires additional shaping circuits.

What basic circuits meet the requirements of an externally synchronized master oscillator?

Description : What basic circuits meet the requirements of an externally synchronized master oscillator?

Last Answer : Sine-wave oscillator, single-swing blocking oscillator, and master trigger (astable) multivibrator.

What type of multivibrator can be used as a radar master oscillator?

Description : What type of multivibrator can be used as a radar master oscillator?

Last Answer : Free-running.

What transmission method uses a stable cw reference oscillator, which is locked in phase with the transmitter frequency?

Description : What transmission method uses a stable cw reference oscillator, which is locked in phase with the transmitter frequency?

Last Answer : Pulse-Doppler.

When a transmitter uses a high-power oscillator to produce the output pulse, what switches the oscillator on and off?

Description : When a transmitter uses a high-power oscillator to produce the output pulse, what switches the oscillator on and off?

Last Answer : High-voltage pulse from the modulator.

What is the polarity of the first alternation of the tank circuit in an emitter-loaded npn pulsed oscillator?

Description : What is the polarity of the first alternation of the tank circuit in an emitter-loaded npn pulsed oscillator?

Last Answer : Negative

Why is a high-gain transistor used in the phase-shift oscillator?

Description : Why is a high-gain transistor used in the phase-shift oscillator?

Last Answer : Because of the losses encountered in the RC networks.

Which components provide the regenerative feedback signal in the phase-shift oscillator?

Description : Which components provide the regenerative feedback signal in the phase-shift oscillator?

Last Answer : Resistor-capacitor networks.

What is the identifying feature of a Colpitts oscillator?

Description : What is the identifying feature of a Colpitts oscillator?

Last Answer : Split capacitors.

Which oscillator uses tapped capacitors for feedback?

Description : Which oscillator uses tapped capacitors for feedback?

Last Answer : Colpitts.

Which oscillator uses a tapped inductor for feedback?

Description : Which oscillator uses a tapped inductor for feedback?

Last Answer : Hartley.

Which oscillator uses a tickler coil for feedback?

Description : Which oscillator uses a tickler coil for feedback?

Last Answer : Armstrong.

What characteristic of a gunn oscillator is inversely proportional to the transit time of the domain across the semiconductor?

Description : What characteristic of a gunn oscillator is inversely proportional to the transit time of the domain across the semiconductor?

Last Answer : The frequency.

Why is the tunnel diode loosely coupled to the cavity in a tunnel-diode oscillator?

Description : Why is the tunnel diode loosely coupled to the cavity in a tunnel-diode oscillator?

Last Answer : To increase the stability.

What determines the frequency of a tunnel-diode oscillator?

Description : What determines the frequency of a tunnel-diode oscillator?

Last Answer : The tuned circuit or cavity frequency.

In an fm transmitter, when does an oscillator generate only a steady frequency?

Description : In an fm transmitter, when does an oscillator generate only a steady frequency?

Last Answer : When no modulation is present.

What is the function of the oscillator in a cw transmitter?

Description : What is the function of the oscillator in a cw transmitter?

Last Answer : It generates an rf carrier at a given frequency within required limits.

Name two methods of oscillator keying.

Description : Name two methods of oscillator keying.

Last Answer : Plate keying and cathode keying.

How many children does Justin Hartley have?

Description : How many children does Justin Hartley have?

Last Answer : Justin Hartley has 1 child

Does Justin Hartley smoke?

Description : Does Justin Hartley smoke?

Last Answer : Justin Hartley is a well known actor that is known for his rolein Smallville. It is not known if he smokes in private. He hasnever been photographed smoking in public.

Does Justin Hartley have kids?

Description : Does Justin Hartley have kids?

Last Answer : Yes, Justin Hartley has 1 kids

What is Mariette Hartley known for?

Description : What is Mariette Hartley known for?

Last Answer : Mariette Hartley is an American actress. She is well known for her supporting role in Alfred Hitchcock's Marnie in 1964 and her role in Marooned in 1969.

What theorem sets a limit on the maximum capacity of a channel with a given noise level? A. Nyquist theorem B. Hartley law C. Shannon-Hartley theorem D. Shannon theorem

Description : What theorem sets a limit on the maximum capacity of a channel with a given noise level? A. Nyquist theorem B. Hartley law C. Shannon-Hartley theorem D. Shannon theorem

Last Answer : C. Shannon-Hartley theorem

______ sets the limit on the maximum capacity of a channel with a given noise level. A. Hartley theorem B. Shannon-hartley theorem C. Nyquist theorem D. Shannon theorem

Description : ______ sets the limit on the maximum capacity of a channel with a given noise level. A. Hartley theorem B. Shannon-hartley theorem C. Nyquist theorem D. Shannon theorem

Last Answer : B. Shannon-hartley theorem

________ sets a limit on the maximum capacity of a channel with a give noise level. A. Hartley theorem B. Shannon-Hartley theorem C. Nyquist theorem D. Shannon theorem

Description : ________ sets a limit on the maximum capacity of a channel with a give noise level. A. Hartley theorem B. Shannon-Hartley theorem C. Nyquist theorem D. Shannon theorem

Last Answer : B. Shannon-Hartley theorem

The Hartley Law states that

Description : The Hartley Law states that

Last Answer : The Hartley Law states that The maximum rate of information transmission depends on the Channel Bandwidth

The main advantage of crystal oscillator is that its output is:

Last Answer : The main advantage of crystal oscillator is that its output is: A Constant frequency range

What did Neil Armstrong say when he landed on the moon?

Description : What did Neil Armstrong say when he landed on the moon?

Last Answer : I’d like to think it was exactly as The Onion showed.

How many other professional bike racers were doping in the Lance Armstrong era?

Description : How many other professional bike racers were doping in the Lance Armstrong era?

Last Answer : I suspect the answer to the title question is all of them. Many of those who came in second, third, or fourth to Armstrong have already been connected to of doping, and most of them have already ... more use of the drugs than others. So maybe the results would have been the same, but maybe not.

What do you think of Oprah's interview with Lance Armstrong so far?

Description : What do you think of Oprah's interview with Lance Armstrong so far?

Last Answer : Well, he definitely comes across as being totally ARROGANT.

Would you like to see Lance Armstrong come clean?

Description : Would you like to see Lance Armstrong come clean?

Last Answer : answer:And this is more important than anything that actually has an effect on your life because ..? Seriously though, have you never had a long fight that just would not let up? Do you really know what ... part of valor. I don't care about the PES, but the politicization of this makes me sick.

Neil Armstrong has died. What did the astronauts and NASA do for you?

Description : Neil Armstrong has died. What did the astronauts and NASA do for you?

Last Answer : As a young girl, I wanted to be an astronaut. I have spent my entire life in awe of the universe, and on the simplest level NASA has been my connection to exploring that. I have to admit, I ... to feel in our last moments. That we did something that matters, that we lived our lives to the fullest.

I can't figure out how to wire the thermostat, transformer, fan/limit switch, and an electrical cut off (to pilot light) in my 1945 Armstrong Furnace. Help!

Description : I can't figure out how to wire the thermostat, transformer, fan/limit switch, and an electrical cut off (to pilot light) in my 1945 Armstrong Furnace. Help!

Last Answer : You may wish to talk to an electrical contractor, if you need to be up to code. Where I live, it would not be legal for the layman to do this kind of work. Your laws may vary, but it’s worth checking them out.

Did Neil Armstrong land really hard on the moon in 1969?

Description : Did Neil Armstrong land really hard on the moon in 1969?

Last Answer : Not you too, Dave. Please tell me this isn’t another moon landing hoax post.

Did Neil Armstrong really land on moon in 1969?

Description : Did Neil Armstrong really land on moon in 1969?

Last Answer : There are a lot of discrepancies with the video footage and the logistics, but they still insist that it was real. I don’t think that it matters any longer. It is probably as real at the alien autopsy.

Neil Armstrong.

Description : Neil Armstrong.

Last Answer : Who refused to give up her bus seat, sparking national civil rights protests?