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| Title | Author | Views/Replies | Posted at |
 PLL design with 74HC9046So far I used 4046, and there are a few tutorials for design with steps: calculating the loop gain and evaluating stability etc. For a charge pump phase detector like in 74hc9046 what are the diffe... |
rickli | 8/1 | 2008/8/26 23:45 |
| class AB and class B amplifiers i want the circit diagram for class B amplifier and also class AB amplifier. how can we eleminate crossover distortion of class B amplifier . i am not able to eleminate it by using diodes in PSPICE ... |
ai8957382 | 8/3 | 2008/8/26 23:45 |
| I need B. Razavi, RF Microelectronics book I need this book B. Razavi, RF Microelectronics. Prentice-Hall, first ed., 1998. |
fusarium | 7/1 | 2008/8/26 23:45 |
| Stable Logarithminc Amplifier Hi, I need a design description document or white paper regarding logarithmic Amplifer. My application need to be able to work with couple of hundred volts also very accurate over temperature. Th... |
nnxd | 8/3 | 2008/8/26 23:45 |
| CMOS comparator for sigma delta ADC Can anyone suggest how to design a comparator for sigma delta ADC |
ken7976 | 8/4 | 2008/8/26 23:45 |
| TL431 Pspice model (TLVH431) What modifications are needed to convert C. Bassos TL431 Pspice model to a TLVH431 model? The TLVH431 is the Low Voltage low current version of the TL431. I tried the obvious switching the 2.495V... |
yvling | 7/2 | 2008/8/26 23:45 |
| Seeking critique for a Programmable Gain Peak Detector Colleagues, I need to detect the max amplitude of a signal within 1ms interval. The carrier is 230kHz. The bandwidth of the envelope is about 20kHz. The amplitude of the envelope decreases as a... |
fusarium | 6/0 | 2008/8/26 23:45 |
| Difference of 1p8 and 3p3 Hi all, does the 1p8 and 3p3 in nmos_1p8, nmos_3p3 refers to supply voltage? |
pdang | 9/1 | 2008/8/26 23:45 |
| Connecting 8ohm Speaker Without Wasting Signal Hi ... I have Audio Frequency Signal and I want to Play the Signal on 8-ohm Speaker . i use this signal in one other circuit too . if I connect the Speaker Directly to the Signal , because of it'... |
hgping | 16/4 | 2008/8/26 23:45 |
| linear regulator - high frequency (200kHz~10MHz) smoothing I am in trouble again. I have a SMPS regulator, which is then followed by a linear regulator (quasi LDO). The problem is the high frequency spikes (smps regulator has a nominal operating frequency ... |
btcdtc | 30/6 | 2008/8/26 23:45 |
| How to produce short pulses (comb generator) ? Hello, I need to make a comb generator (discrete) to produce marker frequencies with 10MHz spacing, with almost constant level to at least 1GHz. I will use a 10MHz crystall oscillator and a pulse ... |
398338 | 13/4 | 2008/8/26 23:45 |
| [Question]How to shut down a buffer? The topology of the buffer is like a basic inverter. A large capacitor is used to isolate DC in the input signal. Then the signal can be input in the inverter. In addition, a large resistor is employe... |
anuo2008 | 13/6 | 2008/8/26 23:45 |
| [Q] 24V to 100V DC-DC Converter Input : 24V Output : 100V 500mA I want DC-DC converter. Plz help me. |
pdang | 23/2 | 2008/8/26 23:45 |
| Question about the AC couple capacitor Hi, I am designing a LNA for a wideband use, but I met a problem about the AC couple capacitor in the input port. The simulation results which are with the AC couple capacitor and without it are qui... |
naoge | 15/1 | 2008/8/26 23:45 |
| Maximum voltage in a breadboad? Hello. What are the maximum specifications for a simple breadboard? Can I connect 220V to it? |
nnxd | 21/7 | 2008/8/26 23:45 |
| how to do 1/f noise characterization in Cadence? any suggestion? thanks |
naoge | 12/1 | 2008/8/26 23:45 |
| how to test the dc/dc converter's load regulation??? hi,all i need your help, about dc/dc test, when design a dc/dc converter, such as buck, we usually sim its' load regulation through change its' output loading current, but how to get the load re... |
ken7976 | 18/3 | 2008/8/26 23:45 |
| what is usage of PSRR in voltage reference? Hi Guys I found in a lot of papers, they mention PSRR, I believe it means power supply rejection ration, but what is the usage of it? Does this means you will have trouble for high frequency so you... |
pdang | 12/2 | 2008/8/26 23:45 |
| Mixed signal design issue Hi All, I am working on a Mixed signal design where AN IC needs bot Analog voltage and Digital voltage. I am using Switching power supply to generate digital voltage. I was wondering how can I g... |
nnxd | 14/2 | 2008/8/26 23:45 |
| 1 lead ECG hey there. I've been looking for some information on ECG over the forum but I can't find anything suitable for me on the subject... does anybody have any material on how to work with an 1 lead ecg? a... |
hualeyan | 12/1 | 2008/8/26 23:45 |
| voltage reference problem Hi Guys I found a paper as I attached, it seems to be a good voltage reference in the beginning, but when I used a short time step (1e-12 s) for a longer time, 100ns, then the volltage reference be... |
398338 | 19/3 | 2008/8/26 23:45 |
| design of comparator Please tell me 1.how to select ucox for a mosfet? Is it using tox?But is er and eo constant?wnt up and un constant? 2.is gm(transconductance )for a particular technology viz., 0.35um ,fixed for a... |
ai8957382 | 12/1 | 2008/8/26 23:45 |
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