Implemented ADC DAC 2 MSPS on Virtex II Pro FPGA. This is a 10 times higher in sampling rate compare to the previous post ADC DAC. The sampling rate is 2 MSPS and can go up to 4 MSPS.
So by using System Generator and a verilog blackbox I implemented an FIR high-pass filter and the result is very clean. high_pass_filter_scope_captures
Leave a Comment May 12, 2009
A simple app. using PIC18F4520 to display frequency and period measurement of an analog square wave input. Code is written in C, interrupts and internal timer1 are utilized. Display is on 2 lined LCD screen.
Schematic:
Leave a Comment March 18, 2009
DSB-SC modulation implemented using Analog Devices ADC DAC 200 ksps on Virtex 2 FPGA.
Leave a Comment February 21, 2009
Just got this microchip microcontroller sdk today. It’s the 18 series. I can’t wait to start playing with it.
2 Comments January 14, 2009
I was testing on this ADC DAC chipsets at the Lab. Analog sent two each with next day delivery for free. Otherwise those can run to about 200 bucks. Kudos to Analog.
Leave a Comment January 5, 2009
Analog is not old fashioned. I think analog is interesting and fun. If you are into electrical technical knowledge, then understanding analog design is a good point to start. In today’s world, analog and digital designs comes hand-in-hand. So to be good in both is a plus. I personally have the passion for the digital designs a lot more than the analog designs. One thing to know is that in real world, signals are in analog then digitized into today’s digital trends. The analog signals is known to be continuous and we could take these continuous signals and convert them into discrete digital signals. Digital design techniques are easier to design, data storage is much easier, much accurate, less noise and can be easily fabricated into Integrated Circuit chips. Analog design has always been a much involved process in compare to the digital design. In analog designs there are extra specifications to be taken care of such as the gain, bandwidth, signal distortion and noise. It tooks longer to master analog domain than the digital domain. More in-depth about analog designs which includes analog IC designs and can be easily simulated using Computer Aided Design software such as SPICE (Simulation Program with Integrated Circuit Emphasis). Also, more in-depth about digital designs which means TTL Gates (Transistor-Transistor Logic Gates), flip-flops, processor, CMOS, etc.
Leave a Comment May 13, 2006
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