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Analog PLL has a Multiplier type PD while digital one has PFD, JK or XOR circuit. nathan
Anyone can show me how to differentiate the Transistor NPN & PNP using Multi Tester (Analog & digital)? And how to ensure the Base, Collector & Emitter is correct using Multi Tester (Analog & digital)? Thanks & best regards, Keng Loong, Liew
"digital transmission" in current context usually means that the data that is actually being transported is digital. All (except optical may be) transmission schemes are analog, in the sense a square wave kind of signal is never sent in a communication system. So "digital voice" means that voice is first digitised before it is (...)
Hi friends!, I'm trying to decode FSK waveforms in a receiver using FPGA. At curr norm, I use "125MHz" DAC, but is clock at 40MHz only inorder to give 2 & 4 MHz sine at 20/10 samples. This is for the compatibility of 40MHz adc in RX module. Data Rate = 2MHz, F1 = 2MHz(20 samples for sine) 40MHz/20 sa => 2MHz F2 = 4MHz(10 sa
Why do we have to define a pin as a digital one for external interrupt ?? Is that to just differentiate the pin working in two different states high and low for a trigger ? Or is there any specific reason for doing this ??
MOSFET or Metal Oxide Semiconductor Field Effect Transistor is basically a transistor, generally used for amplification of switching of Electronic Signals. It generally has four pins, Source; Gate; Drain and Body , but in some devices the Body and Sources are interconnected to make it three pins. IC or integrated Circuit: by defination is manufa
Hi, Suppose we are getting to different frequencies on 1 line. Is there any way in digital to differentiate between the two. Its related to LFPS and SS data in USB3. How can digital differentiate between the two.?
My opinion of IT courses in UK are that the topics are more business oriented . The IT students do get taught basic electronics and programming but not advanced topics such as OS Concepts, RTOS, Advanced Analogue and digital Electronics. I'm not very sure how the IT courses are taught in other countries and if they are similar to the courses in
Interference is critical if the suspectibility of the receiver spec is violated by an agressor. That is common place for <130nm and long parallel lines in digital logic where the noise margins are 10-30% of the signal. In analog designs the margins as well as the signals could be much lower. In this cases more complex coupling mechanism than ind
it is mentioned as a problem in Schuam's sries meant for analog and digital communications..there it is mentioned as "it neither belongs to FM or PM" i am perplexed...
Hi guys, Im currently working on a digital oscilloscope with FPGA for a senior desing project. I was wondering if u guys have any suggestions on how to implement the triggering system. How to do the slope detection, and trigger level. Can i use a differentiator and comparator. differentiate the input signal, and check if the: output is pos
op-amps are analogue devices.modern world is known to be digitally oriented. still op amps are very famous.does this mean that there is a need for analogue circuitry for modern world.
I have separated my digital power & ground plane and analog power & ground plane by few inductors. Do you think what I have done is right? The value for those inductors should be how much? Thank you for your any suggestions.
Technical Details of CDMA CDMA which incorporates spread-spectrum technology works by digitizing multiple conversations. It attaches a code known only to the sender and receiver, and then dicing the signals into bits and reassembling them. The military loved CDMA because coded signals with trillions of possible combinations resulted in extremely s
Hi Guys, I found this paper, maybe can help you Compact Antenna for Radar-Based Breast Cancer Detection Yun, X.; Fear, E.C.; Johnston, R.H. Page(s): 2374- 2380 digital Object Identifier 10.1109/TAP.2005.852308 check it here :
Well this came from ATM (Asimetrical Transfer Mode) This transfer mode like MPLS allowed for QOS. in CBR the ATM swich reservs a constant amount of data for the trafic, VBR - variable bit rate there is no constant bit rate availoble to a switch, if the trafic is low a user can get more bit rate, and if the trafic is high less. ABR - averidge bit
PLL is analog, DCM is digital.
I would first differentiate by analogue and digital, though quite often boards today have both sections one one board. digital board layout will depend on the rise times of the signals as well as the ultimate clock frequency. Rise time increases as frequency increases, but where possible restricting the rise time makes layout less (...)
Designing a linear power amplifier its a more complex job than just increase the DC bias current. During the design, parameters as Gain, P1dB, IP3, AM-PM, ACPR (if use digital modulation), Noise Power, etc, should be measured. All of these parameters can differentiate a linear PA by a saturated PA. Most of the PA transistors mentioned in the datas
VHDL is NOT a programming language. It is a description language. Before you go anywhere near VHDL, you need to understand digital electronics.
Effective motor driving circuits can cause nasty harmonics and high current spikes. Not always best environment for high impedance digital signals.
Hi, I am new to controllers. What is CMOS compatible input. Whats the need for it in controllers especially in digital electronics. pls reply.
It helps if you have a very stable external reference voltage for the ADC. For the 10 bit converter, divide the ADC reference voltage by 1024 for the resolution, then multiply that by the ADC result for the value in volts. for example, if the ADC returns 500, Vin = (ADC_REF / 1024) * ADC_Result; Vin = (5 / 1024) * 500; Vin = 2.44 Volts
Response time is a typical parameter to specify components with digital output, e.g. a comparator. It's no commonly used term for OPs.
Spectrum Mask is a requirement, and not a behavior of a modulation spectrum. Not well designed systems can make the digital signal looks badly, and in this situation sometimes you cannot differentiate between modulation spectrum types.