# Search results

1. ### How to calculate inductance for non-RF use of on-die/on-pack

Inductor Formula Hello Everyone, What Inductor formula should I use to calculate Inductance for non-RF applications on-die/on-package? Inductor I have to design should be able to take 4Amp and it's value should be arond 2uH. Will appreciate for an early reply... Regards, Chanchi
2. ### How to calculate inductance for non-RF use of on-die/on-pack

Inductor Formula Hello Everyone, What Inductor formula should I use to calculate Inductance for non-RF applications on-die/on-package? Inductor I have to design should be able to take 4Amp and it's value should be arond 2uH. Will appreciate for an early reply... Regards, Chanchi
3. ### Very Low Jitter PLL Design

Hello, I have been assigned a task to do a competitive study on very low jitter PLL's. The PLL has tight specs of 25ps peak-to-peak jitter in 0.13u digital CMOS process. 1)How feasible is it? If I use ring-oscillator based VCO, can I meet these specs? How much we can achieve by using a...
4. ### Large i/p Bandwidth Sigma-Delta ADC

Hello Everyone, Is is possible to design a Sig-Del ADC(probably switch-cap based) with following specs? 1. I/P Signal Bandwidth = 2.2Mhz 2. Conversion Rate = 8Mhz 3. Linearity = 16 bit Process 0.13u TSMC or 0.18u TSMC. Regards, Chanchal
5. ### Test of DC/DC Converters

Hello Everyone, Can anyone let me know how to test a DC/DC converter when NO load is present? Regards, Chanchg
6. ### Suggest me good references/books on designing Class D Amps

Class D Amplifiers Hello Everyone, Can I suggest me good references/books on designing Class D Amplifiers? Regards, Chanchg
7. ### Standard table for resistors with tolerance from 0.1%-10%

table of resistors Hello Everyone, I need to choose a precise a value of resistor from the datasheet of a vendor. That vendor has provided the resistor range with % tolerance. I need to choose an exact value but somehow the detail table is missing, especially for 2% tolerance. Can anyone...
8. ### Single Turn/Multi-Turn Potentiometers/Trimmers

How different are Single Turn and Multi-Turn Potentiometer/Trimmers? Regards, Chanchg
9. ### Spice Models of Power Mosfet

Can anyone help me out with Spice Models of a power mosfet? How can we test/characterisize a power mosfet using it's spice model? Regards, chanchg
10. ### DDR RAM performance based on Voltage Regulators

Hello Everybody, Can anyone explain the affect of voltage regulators on the performance of DDR/DDR-II type of DRAM's? In other words, how the variation in power supply affects the performance of DRAM's? Regards,
11. ### Why Latched-Comparator are not preferred in PWM applications

Hello Everybody, Why Latched-Comparator is not preferred in PWM block of a Switching Regulator? In other words, what is the advantage of OPAMP Comparator and Latch Comparator over each other? Regards,
12. ### What is SSTL_18 I/O Interface

sstl_18 Can anyone enlighten me about SSTL_18 I/O Interface? Regards,
13. ### Voltage Regulator Designs for DDR DRAMS

ddr ldo site:edaboard.com Hello Everybody, Where can I get basic specs for designing Voltage Regulators for moderns DRAMS? Any link, any article will be helpful.. Regards,
14. ### How challenging is it to design a PLL with 50ps Jitter and 100MHz clock output?

Hello Everybody, How challenging is to design a PLL with 50ps Jitter and 100MHz clock output? Process could be either 0.18u or 0.35u. Regards,
15. ### Inductor as Energy Transfer Element in Buck/Boost Converter

Hello, Can anyone explain(if possible with voltage-current waveforms) that how an Inductor is used to transfer energy in Buck/Boost Converters? Regards
16. ### Inductor as Energy Storage/Transfer Element

Hello, How an Inductor is used as Energy transfer/storage element? Can any one explain usage of Inductor(along with current/voltage waveforms wrt time) for transfer of energy between 2 voltage sources? Regards, Chanchal
17. ### Analyze the comparator Circuit

I am attaching a non-CMOS based Comparator circuit. Can anyone analyze it and lemme know it's functioning? Can we replace this circuit with CMOS based topology? It is a very high speed comparator with latch n hysterisis added.. Regards
18. ### High-Speed Comparator

I have to design a fully-differential high speed comparator with following specs 1. CMIR 1.2V to 2.5V 2. Overdrive Voltage 0.3V 3. Propagation Delay of 0.6ns. 4. Less than 1ns rise and fall time when terminated with 300Ohm at 5V. 5. Input signal freq varies from Dc to 220Mhz Process is 0.35u...
19. ### CMFB circuit in Comparator

Hello I have to design a very high-speed fully-differential output comparator. If my design strategy is to use 2-stage open-loop millter OTA, then do I have to use some kind of Common-mode Feedback Circuit for this type of comparator. I can design a track-latch comparator(which doesn't need...
20. ### Link/List of application for different ratings of power supp

Hello I am looking for list of application for power supply design. For eg, microprocessor requires a supply with 100A, 0.8-1.5V output. A laptop adapter needs to genearote 5-7A, 13-18V from 85-220VAC. Similarly I need list of other application with their power supply requirements. An early...