National semiconductor august 2005 rev f evaluation board instruction manual adc12040 12-bit, 40 msps, 5 volt, 380 mw a/d converter adc12010 12-bit, 10 msps, 5 volt, 160 mw a/d converter adc12020 12-bit, 20 msps, 5 volt, 185 mw a/d converter adc12l063 12-bit, 62 msps, 3.3 volt 354 mw a/d converter ©...
Table of contents 1.0 introduction.............................................................................................................................3 2.0 board assembly .....................................................................................................................3 3...
1.0 introduction in the computer mode evaluation is simplified by connecting the board to the wavevision digital interface board (order number wavevsn brd 3.0), which is connected to a personal computer through a serial communication port and running wavevision software, operating under microsoft wi...
3.0 quick start 2. Perform steps 2 and 3 of stand alone quick start,, above. Note: to develop the adc clock, the digital interface board divides its on-board clock. In doing so, jitter is introduced to the adc clock which degrades the observed performance of the adc12040. See section 6.0 obtaining b...
4.1.2 dual input must be the same as that provided from the digital interface board. To look at intermodulation performance, moving shorting jumpers of jp3 and jp4 to pins 2 and 3 of jp3. Connect different signals to j1 and j3 from 50-ohm sources. When looking at the adc output with two different si...
An appropriate bandpass filter as even the best signal generator available can not produce a signal pure enough to evaluate the dynamic performance of an adc. Adc12010 evaluation board, a 20 mhz oscillator for the adc12020 evaluation board, or a 60 mhz on the adc12l063 evaluation board). 3. Connect ...
If your data capture results in something similar to what is shown here in figure 3 or in figure 4 , take another sample. It may take a few trials to get good data. Figure 4 marginal data capture that results from trying to capture data that is near but not right at the point where the adc outputs a...
8.0 hardware schematic fi gu re 6 . A d c 1 20 40 e va lu at io n b oa rd s ch em at ic +v d 2 1n 40 01 d 3 1n 40 01 + c 14 33 uf + c 16 33 uf d 4 1n 40 01 c 18 + 3 3u f tp 8 +v tp 9 +5 v tp 10 -v +5 v -v p 1 p ow er c on ne ct or +v g n d +5 v -v 1 2 3 4 l3 c h o k e l4 c h o k e l5 c h o k e λ 1 2...
9.0 evaluation board bill of materials item qty reference part source 1 7 c1, c3, c6, c9, c10, c11, c12 1 uf type 1206 2 6 c2, c4, c5, c8, c15, c17 0.1 uf type 1206 3 1 c7 22 pf (330 pf for adc12010 / 12020) type 1206 4 1 c13 22 pf type 1206 5 2 c14, c16 33 uf, 6.3v type 7343 (d size) 6 - c18 not po...
Appendix a1.0 operating in the computer mode the adc12040 evaluation board is compatible with the wavevision digital interface board and wavevision software. When connected to the digital interface board, data capture is easily controlled from a personal computer operating in the windows environment...
Jp4 jumper - adc input select connect 1-2 select input j1 only connect 2-3 select mixed j1 & j3 inputs (must also have jp3 pins 2 & 3 shorted) j2 connector - adc data outputs - connection to wavevision digital interface board signal j2 pin number adc output d0 b16 adc output d1 c16 adc output d2 b17...
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