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Today, 20:48Dear All, I'm planning on using a transistor to drive a 75 Ohm coaxial line (RG6) with just a digital signal. From collector to VDD there will be...0 replies | 2 view(s) -
Today, 18:14I have done for you here a Half Bridge SMPS with vin =310vdc, and vout = 32v and iout = 20A. I did it in current mode, as current mode with slope...7 replies | 481 view(s)
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Today, 17:25Snehaanair started a thread Assigning a circuit(Schematic) to IC in PIPRO, ADS in Electromagnetic Design and SimulationHello, I am trying to do Power integrity analysis using PIPRO, Keysight ADS software. I have imported a layout in PIPRO setup. For PI_AC...0 replies | 6 view(s)
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Today, 17:24No, both transformers are audio and they're for impedance matching. But I was thinking to isolate them as they're on the other side of the board....8 replies | 196 view(s)
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Today, 17:24dick_freebird replied to a thread Negative power supply delay in bias sequencing circuit in Analog Circuit DesignAppears that both supplies have an externally asserted, hard turnoff (maybe the battery-drop, but maybe some other "feature" of the power supply...1 replies | 160 view(s)
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Today, 17:21Is this a spot welder?2 replies | 81 view(s) -
Today, 17:18schmitt trigger replied to a thread Transformers on a PCB in Hobby Circuits and Small Projects ProblemsAn LM386 is an audio amplifier, with significant gain. Your transformer appears to be a powerline 50/60 Hz device with an EI core. Such...8 replies | 196 view(s)
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Today, 16:35Yikes!!! You're right!!! Grrr... I have to change everything! Damn, I had everything correct on the prototype... and then screwed up the circuit...8 replies | 196 view(s)
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Today, 16:12Thanks. I've rebuilt the entire set of Xilinx libraries for Active-HDL with the -na all switch. It was easy, once I found the Vivado...13 replies | 1013 view(s)
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Today, 16:12Hi, No! Repeated: Klaus8 replies | 196 view(s)
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Today, 16:07Hi you missed the brackets: ((5V7-V_in-v_d1)*R2/(R1+R2))/R2 then you may simplify it: --> ((5V7-V_in-v_d1)*R2/(R1+R2))/R2 -->...4 replies | 115 view(s)
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Today, 15:50Thanks for the advice! Well, I've never done double layer yet... I thought I'd go with the single. I have to read something about via's, maybe I'd...8 replies | 196 view(s)
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Today, 15:42thank you for your answer, about I_R2 is it equal to ((5V7-V_in-v_d1)*R2/R1+R2)/R2??4 replies | 115 view(s)
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Today, 15:38Hi, We are talking about HF. Thus this still is far away from being a GND plane. All the traces have the same length as before ... and for HF...8 replies | 196 view(s)
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Today, 15:25hello klaus, sorry for the messing informations, for Vin it is varies from 0v to 2,5v and for R1=3320ohm and R2=510ohm, thank you for your answer,4 replies | 115 view(s)
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Today, 15:20Hi, hard to say without values. I guess 300 uA. No - joke aside. do you really want us to go give you a mathematical solution for all cases...4 replies | 115 view(s)
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Today, 15:16Thank you. I read couple of articles about this. So, here it is with the ground plane: Since I have a single layer board, can I make it better?8 replies | 196 view(s)
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Today, 14:51wwfeldman replied to a thread How to do power measurement in LT SpiceXVII in Software Problems, Hints and Reviewsmeasure the voltage and current on input and output use the "add a trace" function in graphical output display to find V * I on input and output ...1 replies | 69 view(s)
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Today, 14:40hello guys, i would be thankful if you help me to find how to calculate ib of this PNP ??4 replies | 115 view(s)
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Today, 14:13BigBoss replied to a thread ADS Simulation of Circuit -Help in Electromagnetic Design and SimulationYour Nonlinear model is not correct and this transistor is obsolete. If I were you, I use more recent part ( CE3512K2) for its equivalent and...4 replies | 196 view(s) -
Today, 14:11If the duty cycle respectively average power is low, I would suggest an analog output stage, powered by a capacitor bank. Take care that the output...2 replies | 81 view(s)
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Today, 13:56BPSK doesn't involve quadrature modulation, see https://en.wikipedia.org/wiki/Phase-shift_keying1 replies | 86 view(s)
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Today, 13:42andre_teprom replied to a thread [PIC] I wrote simple code buttons to rotary for PIC12F509, but it works only on simulation! in MicrocontrollersAs said above, yur code have a lot of blocking instructions that blinds the program for a while preventing from reading the actual encoder, for which...4 replies | 206 view(s) -
Today, 13:40Gnim started a thread Problems with HFSS patch antenna simulation. in Software Problems, Hints and ReviewsI'm trying tu simulate a resonant structure with fres = 2.87 GHz. The solution of my simulation yields the desired frequency, though when I look at...0 replies | 62 view(s)
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Today, 13:07volker@muehlhaus replied to a thread Need help with ADS momentum Co-simulation in Analog Circuit DesignYes, correct. This matches the mapping of layer "hole" that you showed above in your Momentum stackup. If you look at the 3D EM preview, which you...11 replies | 305 view(s)
