Zakładka z wyszukiwarką danych komponentów
  Polish  ▼
ALLDATASHEET.PL

X  

ISLA212P25 Arkusz danych(PDF) 4 Page - Intersil Corporation

Numer części ISLA212P25
Szczegółowy opis  Ultra High Performance Broadband 12 to 16-Bit Data Acquisition Platform
Download  25 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Producent  INTERSIL [Intersil Corporation]
Strona internetowa  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISLA212P25 Arkusz danych(HTML) 4 Page - Intersil Corporation

  ISLA212P25 Datasheet HTML 1Page - Intersil Corporation ISLA212P25 Datasheet HTML 2Page - Intersil Corporation ISLA212P25 Datasheet HTML 3Page - Intersil Corporation ISLA212P25 Datasheet HTML 4Page - Intersil Corporation ISLA212P25 Datasheet HTML 5Page - Intersil Corporation ISLA212P25 Datasheet HTML 6Page - Intersil Corporation ISLA212P25 Datasheet HTML 7Page - Intersil Corporation ISLA212P25 Datasheet HTML 8Page - Intersil Corporation ISLA212P25 Datasheet HTML 9Page - Intersil Corporation Next Button
Zoom Inzoom in Zoom Outzoom out
 4 / 25 page
background image
Application Note 1837
4
AN1837.0
May 3, 2013
The analog input signal comes in through 2-MiniCircuits
transformers then into the ISL55210 then into an interstage
passive RLC filter to the ADC. The blue potentiometer in the
middle of the board is a common mode voltage adjustment for
the average DC voltage applied to the ADC inputs for this AC
coupled signal path. This board plugs into the KMB-001
motherboard to appear as in Figure 3.
Here, the input signal is connected and the 500MHz clock is
being applied through a TTE 500MHz Bandpass filter. The power
is being applied to the motherboard as shown by the active green
light just under the +5V power connector in the upper right.
Again, the +5V board connector is plugged in first, then the AC
plug inserted to the power allowing the power brick to filter the
+5V power up transient. Similarly on power down, unplug the +5V
power at the AC plug side.
While the full signal path schematic is shown in Figure 46, it is
best to break it into pieces for discussion of design, performance,
and options. In general, the board offers numerous optional
connections that are indicated in green on the schematic and/or
by DNP for the standard board build. The basic signal path is
intended to:
1. Terminate a single ended input with an AC-coupled,
broadband, 50Ω impedance. This is of course expecting the
source to also be a broadband 50Ω source and that
impedance does get reflected through the input transformers
to be part of the signal chain flatness characteristic.
2. Convert the single ended input to the required differential
signal at the ADC inputs centered within the converter’s
desired common mode voltage range.
3. Provide amplification from a nominal -7dBm (283mVP-P)
single tone input to a -2dBFS (2dB below the 2VP-P full scale
of the ADC) or 1.58VP-P at the ADC input pins with extremely
low noise and distortion. This 5.6V/V gain (15dB) gain is a
combination of the input transformer step up, ISL55210 gain,
and various insertion losses in the transformers and
interstage filter from the ISL55210 to the ADC.
4. As part of the interstage filter design, this board includes a
VCM control loop that senses the average DC voltage at the
two ADC inputs and servo’s a control voltage into the filter
design to match a reference voltage applied to the servo loop
op amp. The board is delivered set to 0.96V as that has shown
improved SFDR for the filter source impedance and the
ISLA214P50 ADC. Changing ADC selections and/or filter
designs in this board might benefit from a different nominal
VCM control target for best SFDR and the VCM adjust pot
allows and easy means to test that.
AMPLIFIER POWER SUPPLY DECOUPLING ISSUES
The portion of the signal path schematic of Figure 4 shows one
example of good power supply decoupling for this single 3.3V
supply amplifier. Where possible, a large valued capacitor
isolated towards this 4GHz amplifier with a high frequency ferrite
and then another 1µF element provides a PI filter on the board.
Right at the 2 device supply pins, X2Y capacitors are used to get
the best high frequency decoupling. These 0.1µF elements
actually are two capacitors connected in parallel to give 0.2µF
decoupling with much lower ESR and higher self resonant
frequency than typical ceramic SMD capacitors. Standard SMD
0.1µF ceramic capacitors can be used instead but may increase
the even order harmonics at higher frequencies as they go self
resonant. Those are provisioned on the board as optional
elements but not populated as shown in Figure 4 by the green
capacitors C1003 and C1008.
FIGURE 3. ISLA214P50-55210EV1Z DAUGHTERBOARD ON KMB-001 MOTHERBOARD


Podobny numer części - ISLA212P25

ProducentNumer częściArkusz danychSzczegółowy opis
logo
Intersil Corporation
ISLA212P25 INTERSIL-ISLA212P25 Datasheet
1Mb / 32P
   16-Bit, 250MSPS/200MSPS/130MSPS ADC
logo
Renesas Technology Corp
ISLA212P25 RENESAS-ISLA212P25 Datasheet
1Mb / 35P
   16-Bit, 250MSPS/200MSPS/130MSPS ADC
logo
Intersil Corporation
ISLA212P25 INTERSIL-ISLA212P25 Datasheet
1Mb / 37P
   14-Bit, 500MSPS ADC Programmable Built-in Test Patterns
ISLA212P25 INTERSIL-ISLA212P25 Datasheet
1Mb / 38P
   12-Bit, 500MSPS ADC Programmable Built-in Test Patterns
ISLA212P25 INTERSIL-ISLA212P25 Datasheet
963Kb / 34P
   High Performance 14-Bit, 125MSPS ADC
More results

Podobny opis - ISLA212P25

ProducentNumer częściArkusz danychSzczegółowy opis
logo
Analog Devices
AD1362 AD-AD1362 Datasheet
431Kb / 8P
   16-Channel,12-Bit Data Acquisition System
REV. A
logo
API Technologies Corp
HS9403 APITECH-HS9403 Datasheet
3Mb / 4P
   16-Channel, 12-Bit Data Acquisition System
logo
Analog Devices
AD1362 AD-AD1362_15 Datasheet
437Kb / 8P
   16 Channel 12 Bit Data Acquisition System
REV. A
AD363 AD-AD363 Datasheet
682Kb / 8P
   Complete 16-Channel,12-Bit Data Acquisition System
AD363 AD-AD363 Datasheet
6Mb / 16P
   COMPLETE 16 CHANNEL 12-BIT DATA ACQUISITION SYSTEMS
logo
Exar Corporation
MP3275 EXAR-MP3275 Datasheet
138Kb / 16P
   Fault Protected 16 Channel, 12-Bit Data Acquisition Subsystem
MP3276 EXAR-MP3276 Datasheet
170Kb / 16P
   Fault Protected 16 Channel, 12-Bit Data Acquisition Subsystem
logo
List of Unclassifed Man...
XE88LC05 ETC1-XE88LC05 Datasheet
1Mb / 39P
   16 10 bit Data Acquisition Ultra Low-Power Microcontroller
logo
Sipex Corporation
SP8121 SIPEX-SP8121 Datasheet
168Kb / 13P
   Monolithic, 12-Bit Data Acquisition System
logo
Texas Instruments
LM12454 TI1-LM12454 Datasheet
1Mb / 43P
[Old version datasheet]   12-Bit Sign Data Acquisition System
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25


Arkusz danych Pobierz

Go To PDF Page


Link URL




Polityka prywatności
ALLDATASHEET.PL
Czy Alldatasheet okazała się pomocna?  [ DONATE ] 

O Alldatasheet   |   Reklama   |   Kontakt   |   Polityka prywatności   |   Linki   |   Lista producentów
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com