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Electronics

Electronics are a branch of technology and science that deals with the control of the flow of electrons.

3,725 Questions

What is the definition of instrumentation?

An instrumental is a musical composition or recording without lyrics or any other sort of vocal music; all of the music is produced by musical instruments.

In other words, this is just the music music, without singing or rapping.

OHms you are familiar with but what is meant by MHOS in Electronics parlance?

ohm (ōm)

n. A unit of electrical resistance equal to that of a conductor in which a current of one ampere is produced by a potential of one volt across its terminals.

mho (mō)

The SI derived unit of electrical conductance, equal to one ampere per volt. It is equivalent to the reciprocal of the ohm unit. Also called siemens.

Answer

The mho is an obsolete unit of measurement for conductance, which is the reciprocal of resistance. It has been replaced, in SI, by the siemens (symbol: S).

I have an old bell and howell receiver with ONLY one left and one right rca speaker outputs how do you connect regular speakers to them that use standard speaker wire?

Replace the speaker wire with ones that have RCA type male plugs on one end and loose ends on the other. The loose ends are sometimes called PIG TAILS.

What is use of nand gate in transmitter circuit?

A NAND gate can be used as an oscillator or as an amplifier in a very rudimentary transmitter. (If both inputs of a NAND gate are tied together, it inverts the incoming signal. Chain two NANDs together with the outputs fed back through a crystal and you have a quick, easy oscillator. Chain another NAND or two or three with the inputs tied together and the output right into another NAND and you have a simple low power amplifier.)

How much is a Minolta hi-matic 5 camera worth?

Depends on the condition (Lens, viewfinder, etc). I have seen them online for "parts" around $15.00...If the camera is in working order in "Good" condition you are looking at a price around $50.00-$75.00.

Which distortion in produce in class a amplifier?

The so-called "Class-A" amplifier is the configuration with the least distortion.

Active stages are biased to operate within the linear portion of their characteristics,

and drive is controlled to avoid saturation or cutoff. Any remaining distortion is due

exclusively to unavoidable non-linearities in components.

What is a Darlington IC?

Darlington circuit is voltage follower circuit with high input impedance and low output impedance.Darlington IC must have this ciruit integrated on it..

Will using a Dell power cord for a Compaq laptop be okay.. or will it cause your Compaq computer problems in the long run?

look at the tag on your old power adapter it will tell you voltage output example 14.2 volts out dc and then match the ampere rating ex 1.4 ampere/hr if they match your good replacement ok but make sure plug is tight, loose connection can cause pc problems

How do you determine the value of the feedback capacitor connected between the emitter and collector of the output transistor in an FM transmitter?

This is a vague question. Which transistor, and what is the make of the FM trasmitter? What do you really want to do, design an FM transmitter or repair an existing one?

What is the formula for gain in a power amplifier that has a step down transformer?

A: there is no formula the gain of the amp is just reduced by the transformer turn ratio minus efficiency or loss. the transformer is for isolation and impedance matching

What is the count sequence for a BCD down-counter?

The count sequence of a BCD down counter is as follows:

1001,1000,0111,0110,0101,0100,0011,0010,0001,0000,1001. . . . . . .

How do you use ic 7432 as an 8 to 3 bit encoder?

if you want to use 8*3 encoder than you must the design the circuit according to variable and with the help of k-map and you can not construct the circuit of 8*3 encoder using 7432 (which is or gate ic) only. you need AND gate 7408 and may be NOT 7404 gate according to design.

I recently got a new phone the LG Cosmos 2 even when I dont touch anything something called the Daily Scoop pops up and I think it costs money Do you know how to get rid of it?

To get rid of it try following these steps:

• Launch Daily Scoop

• Select 'Menu->Verizon Msgs'

• Choose 'Off' and 'Save'.

• Repeat the same procedure for 'Menu->Bonus Msgs'

What is electronic fraud?

It's fraud that is done by the internet, through email or websites.

What is the alpha of the bipolar junction transistor?

The change of collector current with respect to emitter current.

Typically 0.95 to 0.995. So a transistor with alpha of 0.95 might have an emitter current of 10 mA, collector current 9.5 mA.

The "missing" current becomes base current and does not reach the collector.

The more commonly used figure for current gain is beta, the ratio of collector current to base current, typically 50 to 500.

In CB MODE

It is called the common base, short-ckt, amplification factor.

I have a 15 pin to rgb cable can I use this to connect my laptop with 15 pin output to my tv with only the white yellow and red inputs?

A 15 PIN cable is a VGA cable and the yellow, white and red RCA connectors are for composite video and 2 channel audio.

Converting VGA to composite needs more than a cable adaptor and will always substantially reduce the quality of the image.

Many modern televisions have red, green and blue inputs with one or two synchronizing inputs. If the television has a set of connectors like this it may well handle VGA signals. There are some converters that will combine the two sync signals in a VGA signal into a single signal that most other RGB signals use. Note that you will need to send audio via a different input other than your VGA of course

Before investing in any hardware, read and study the manual for the television. Most will make reference to VGA signals and whether or not they can be used.

Another alternative is to use a DVI or HDMI dsplay output from the computer. Display ports that connect to a USB port can be purchased at a relatively low cost and they will provide a full quality interface to most televisions with an HDMI input. DVI is compatible with HDMI in that they carry the same video information. DVI does not carry audio so once again, a separate audio connection will be required if a DVI display port is used.

How do you increase an MP3 sound quality and volume without downloading anything if not what's the easiest and cheepest way to increase its quality and volume?

To increase clarity you need to change the bit rate of the song played and to increase volume you can amplify the signal using software such as Format Factory etc..

If you amplify the signal then the clarity will reduce.

Why is the capture range less than the phase locked range?

Once the PLL is in lock, what is the input (or VCO) frequency range for which it can keep itself locked is the lock range. When the PLL is initially not in lock, what frequency range can make the PLL lock is the capture range. Lock range is the parameter you should be interested in if you are looking for it's tracking behavior. But in CP PLLs, both the lock and capture ranges are the same.., limited only by the VCO's tuning range.

In modern PLLs capture range and lock range are the same. But by definition these are different and this relaxed usage in journals and books leads to these confusions.
Capture range and pull-in range are the same. Both refer to the ability of the system to acquire lock (from an unlocked state) to a frequency. Here the VCO is running at some arbitrary frequency and the disturbance required at the input to make it respond to the input disturbances thereafter is quantified as capture range.
While the VCO is responding to the input disturbance (in-lock), the amount of disturbance at the input that will cause the VCO to shun the input and run freely is quantified as lock range.
Always lock range is equal to or greater than the capture range.

Definitions from the web
Lock range is defined as the band of frequencies centered on the VCO's natural frequency over which a PLL can maintain frequency lock with an external input signal.

Capture range is defined as the band of frequencies centered around the VCO natural frequency where the PLL can initially establish or acquire frequency lock with an external input signal from an unlocked condition.

Proctor when talking about computers?

A clever or expert programmer who can gain unauthorized access to other computers