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Hi
I have designed an active bridge rectifier (see attached figure), with an active (PMOS) diode in the output controlled from a comparator, to generate a DC voltage. The circuit rectifies an AC input signal (1.5Vp) and generates 1.4V in the output
My question is related to the calculation of...
Hi
I have designed an integrated VCO, operating at 1.5GHz with 1.2V. The VCO is capable of driving a capacitive load (up to 500f) and not a low resistance value (e.g 50 Ohm), since it is fabricated to drive the gates of a MOS mixer. The problem is that i want to measure it as a standalone...
vista hspice
Try to install them using the XP compatibility mode. I had problems with many other tools (Orcad, Protel etc) not compatible with VISTA, and after install them with the specific mode they now operate properly.
multisim models
I believe that one of the the most critical questions, is how accurate is multisim compared to OrCAD in terms of simulation. For example i have created a simple bipolar amplifier and set the power supply to a very high value (40.000V). Even in this exotic case, multisim...
Hi
I design a PA with SiGE transistors. Is there any way to find out if a ballast resistor is requiired? If yes then how do we calculate the proper value of it
Thanks
ldo regulator design
I have created a simple LDO (the classicall topology with a PMOS as the pass device), using a behavioral model of the OPAMP.
In any case it seems that the AC and the PSRR response is not affected significantly by the bandwidth of the OPAMP. It is the size of the pass...
ldo regulator design
Hi
I want to design an LDO with the following specifications (with either MOS or bipolar):
Vdd=3V
Dropout voltage =70mV
Output Current=40uA
PSRR=-80db@10MHz , -35dB@10GHz
Do you think it is hard to satisfy the above mentioned specifications? Do you have to propose any...
bicmos7wl
Hi all
I am working in IBM BICMOS7WL technology. The purpose is to make a full-custom digital design with the cells from the CMOS7WL standard library. The problem is that i cannot get a correct LVS with this cells (problem with the GND connections).
If someone has a previous...
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