Latest threads in Electronics Computer-Aided Designshow only best voted threads
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LTC - .lib not recognized..?
LTC Switchercad, on a Vista Notebook: Strange problem, I made a new transistor: Version 4 SymbolType CELL LINE Normal 16 64 44 76 LINE Normal 44 76 36 84 LINE Normal 16 64 36 84 LINE Normal 40 80 64...
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16 years ago
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Maximum Power Dissipation Limits
How do I set the maximum power dissipation limits (power rating) for a resistor in a PSpice schematic? Thanks in advance.
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16 years ago
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pcad question
One question related to P-CAD (2004). Say you've created a small PCB board in P-CAD using copper pour for large ground and would like to multiply the board for stencil and pcb manufacturing. The...
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16 years ago
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PCAD schematic question
Hello. I'm trying to rotate/move the reference designator and the value of one part in the sechematic, but to no avail. I'm unable to find how it can be done without editing the library. In the PCB...
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16 years ago
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Altium Designer 6.8
I recently received an ad from Altium on their software package. But when I went to their website I found plenty of information but no price tag. I have used ORCAD and AUTOCAD in the past when I was...
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16 years ago
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Net List Name vs Port Name -- Newbie Protel DXP Question
I have a level shifter IC and 2 headers on a board.. So in the schematic I have a header with different port names for each pins. On the IC, Id like to connect to these header pins without drawing...
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16 years ago
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Gilbert cell help
Hi all Does any of you has a working Gilbert cell for 0.6 um technology? do you mind to give me your design? Is it really necessary to use a differential amplifier to get the differential output? Is...
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16 years ago
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how to make Balun in cadence?
Hi all Does anyone know how to make Balun in Cadence? If you happened to know, could you please give me some details? Thanks
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16 years ago
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Problem with input waveform (voltage) while using PSpice
I am constructing and simulating a full-wave rectifier circuit using the PSpice software. The circuit consists of an ac source, 4 BJTs in a bridge design, and a resistor and capacitor connected in...
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16 years ago
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Component librarys for mini-circuits
Hello Everyone Anyone on the list know if there are any component librarys for mini- circuits rf mixers like mcl SBL-3 double balanced mixer etc for use with protel I need it for a project for...
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16 years ago
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"MARTHA" RF/Microwave CAD Using APL -- Free!
"MARTHA" is a unique circuit analysis software package that was originally developed at MIT in the early 1970's. Rather than a "canned" analysis package that only performs pre-programmed circuit...
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16 years ago
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Please help with Altium compiler error message
Hello, All! I'm trying (again) to pick up with Altium. After some extensive library creation (I need wider footprints than what was given, and I've created new symbols), I decided it was time to move...
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16 years ago
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LTSpice/ LM7301
When I try to use the model for the LM7301 in LTSpice, I get "unknown subcircuit"- any ideas/ fixes anyone? PB
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16 years ago
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pcb pooling for BGAs
Guys In the uk we have easy access to PCB-pool and PCB train. These companies provide prototypes where the tooling is shared amongst multiple designs. However, neither service provides the design...
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16 years ago
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168 pin DIMM Standard Dimensions?
Hello, I am attempting to design my own 168 pin DIMM (with some minor modifications). Is there a standard mechanical drawling for how 168 pin DIMMs should be (a location for each notch and hole) if...
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16 years ago
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