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SC5312A Operating & Programming Manual 

Rev 1.0.2 

 

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M P O R T A N T  

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N F O R M A T I O N

 

Warranty 

This product is warranted against defects in materials and workmanship for a period of three years from 
the date of shipment. SignalCore will, at its option, repair or replace equipment that proves to be defective 
during the warranty period. This warranty includes parts and labor. 
 
Before  any  equipment  will  be  accepted  for  warranty  repair  or  replacement,  a  Return  Material 
Authorization (RMA) number must be obtained from a SignalCore customer service representative and 
clearly marked  on  the  outside  of  the  return  package.  SignalCore  will  pay  all  shipping  costs  relating  to 
warranty repair or replacement. 
 
SignalCore strives to make the information in this document as accurate as possible. The document has 
been  carefully  reviewed  for  technical  and  typographic  accuracy.  In  the  event  that  technical  or 
typographical errors exist, SignalCore reserves the right to make changes to subsequent editions of this 
document  without  prior  notice  to  possessors  of  this  edition.  Please  contact  SignalCore  if  errors  are 
suspected. In no event shall SignalCore be liable for any damages arising out of or related to this document 
or the information contained in it. 

EXCEPT  AS  SPECIFIED  HEREIN,  SIGNALCORE,  INCORPORATED  MAKES  NO  WARRANTIES,  EXPRESS  OR 
IMPLIED,  AND  SPECIFICALLY  DISCLAIMS  ANY  WARRANTY  OF  MERCHANTABILITY  OR  FITNESS  FOR  A 

PARTICULAR PURPOSE. CUSTOMER’S RIGHT TO REC

OVER DAMAGES CAUSED BY FAULT OR NEGLIGENCE 

ON  THE  PART  OF  SIGNALCORE,  INCORPORATED  SHALL  BE  LIMITED  TO  THE  AMOUNT  THERETOFORE 
PAID BY THE CUSTOMER. SIGNALCORE, INCORPORATED WILL NOT BE LIABLE FOR DAMAGES RESULTING 
FROM LOSS OF DATA, PROFITS, USE OF PRODUCTS, OR INCIDENTAL OR CONSEQUENTIAL DAMAGES, 
EVEN IF ADVISED OF THE POSSIBILITY THEREOF

. This limitation of the liability of SignalCore, Incorporated 

will apply regardless of the form of action, whether in contract or tort, including negligence. Any action 
against  SignalCore,  Incorporated  must  be  brought  within  one  year  after  the  cause  of  action  accrues. 
SignalCore,  Incorporated  shall  not  be  liable  for  any  delay  in  performance  due  to  causes  beyond  its 
reasonable  control.  The  warranty  provided  herein  does  not  cover  damages,  defects,  malfunctions,  or 
service 

failures caused by owner’

s failure to follow SignalCore, Incorporated

’s 

installation, operation, or 

maintenance instructions; owner’s modification of the

 

product; owner’s abuse, misuse, or negligent acts; 

and  power  failure  or  surges,  fire,  flood,  accident,  actions  of  third  parties,  or  other  events  outside 
reasonable control. 

Copyright & Trademarks 

Under the copyright laws, this publication may not be reproduced or transmitted in any form, electronic 
or  mechanical,  including  photocopying,  recording,  storing  in  an  information  retrieval  system,  or 
translating, in whole or in part, without the prior written consent of SignalCore, Incorporated. 

SignalCore, Incorporated respects the intellectual property rights of others, and we ask those who use our 
products to do the same. Our products are protected by copyright and other intellectual property laws. 
Use of SignalCore products is restricted to applications that do not infringe on the intellectual property 
rights of others. 

Содержание SC5312A

Страница 1: ...SC5312A 400 MHz to 6 GHz IQ Demodulator PXI Express Interface Operating and Programming Manual 2013 2020 SignalCore Inc support signalcore com...

Страница 2: ...guring the SC5312A 4 RF Signal Connections 6 Baseband Connections 7 Indicator LED 7 SC5312A Theory of Operation 8 Overview 8 RF Input Section 8 LO Input Section 10 IF Output Section 11 SC5312A Program...

Страница 3: ...put Linearity of the IQ Demodulator 15 Storing the Startup State 15 Writing to the User EEPROM 16 Querying the SC5312A Writing to Request Registers 17 Reading the Device Temperature 17 Reading the Dev...

Страница 4: ...RT OF SIGNALCORE INCORPORATED SHALL BE LIMITED TO THE AMOUNT THERETOFORE PAID BY THE CUSTOMER SIGNALCORE INCORPORATED WILL NOT BE LIABLE FOR DAMAGES RESULTING FROM LOSS OF DATA PROFITS USE OF PRODUCTS...

Страница 5: ...materials and the categorical amount present in our products are shown below Model Name Lead Pb Mercury Hg Cadmium Cd Hexavalent Chromium Cr VI Polybrominated biphenyls PBB Polybrominated diphenyl eth...

Страница 6: ...SOFTWARE UNANTICIPATED USES OR MISUSES OR ERRORS ON THE PART OF THE USER OR APPLICATIONS DESIGNER ADVERSE FACTORS SUCH AS THESE ARE HEREAFTER COLLECTIVELY TERMED SYSTEM FAILURES ANY APPLICATION WHERE...

Страница 7: ...e specifications The SC5312A is designed to be sufficiently cooled in either all PXIe chassis or PXIe hybrid chassis PXI Express chassis with traditional PXI slots However certain environmental factor...

Страница 8: ...v 1 0 2 5 The SC5312A is a PXIe based IQ demodulator with all I O connections and indicators located on the front face of the module as shown below Each location is discussed in further detail below F...

Страница 9: ...trapped inside the connector may take several days to fully evaporate and may degrade measurement performance until fully evaporated Tighten all SMA connections to 5 in lb max 56 N cm max RF Signal C...

Страница 10: ...ration it is recommended to terminate the other half of the differential pair using a 50 terminator All baseband connectors are MCX female Indicator LED The SC5312A provides visual indication of impor...

Страница 11: ...d high signal amplitude or too soft low signal amplitude When the device is driven hard nonlinear effects dominate the system When driven too softly signal to noise dynamic range suffers A general rul...

Страница 12: ...ocm Variable Diff Amp Vocm Vocm Out Diff Amp IQ Demodulator Linearity Dac 90 0 i i 50W 50W RF Amp 1 RF Amp 3 RF Amp 2 9 Selectable RF Filters 9 Selectable LO Filters LO Amp 2 LO Amp 1 Gain Selectable...

Страница 13: ...situ equalization to remove IQ errors such as phase imbalance and quadrature gain offsets that are inherent to the device Providing this auxiliary path makes the task of characterizing the system with...

Страница 14: ...of the device This is not a hard requirement and the user will need to adjust the voltage levels to suit their specific requirements As an example setting to some other voltage may be required to opt...

Страница 15: ...t computer should identify the device and load the appropriate driver For more information please see the SC5312A_Readme txt file also located under the Win directory A LabVIEW API is provided and it...

Страница 16: ...Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 INITIALIZE 0x01 7 0 Mode SET_SYSTEM_ACTIVE 0x02 7 0 Enable SYS LED RF_FREQUENCY 0x10 7 0 MHz Frequency Word 7 0 15 8 MHz Frequency Word 15 8 23 16 MHz Frequen...

Страница 17: ...ta is sent as a 40 bit word with the LSB in Hz Setting RF Input RF Amplifiers RF_AMPLIFIER 0x12 This register enables or disables the RF amplifiers Setting bit 0 low 0 disables the RF amplifier Settin...

Страница 18: ...Offset in Differential Amplifiers DC_OFFSET_DAC 0x1A The DC offset between the and terminals of the differential amplifier output can be minimized by writing this DAC Varying the DAC value from 0 to 1...

Страница 19: ...EEPROM for the user to store data User data is sent one byte at a time and is contained in the last least significant byte of the three bytes of data written to the register The other two bytes contai...

Страница 20: ...st 14 bits 13 0 Bit 13 is the polarity bit indicating whether it is positive 0x0 or negative 0x1 For an ENDPOINT_IN transfer data is returned in 2 bytes with the MSB first The temperature value repres...

Страница 21: ...0x8000 will return data stored in address location 0x0000 The calibration EEPROM map is shown in Table 5 All calibration data whether floats unsigned 8 bit unsigned 16 bit or unsigned 32 bit integers...

Страница 22: ...M map EEPROM ADDRESS HEX NUMBER OF DATA POINTS TYPE DESCRIPTION 0 1 U32 Manufacturing Information 4 1 U32 Product serial number 8 1 U32 RF module number C 1 U32 Product manufacture date 24 1 F32 Firmw...

Страница 23: ...ce sc5312a_SetFrequency sc5312a_SetRfGain sc5312a_SetRfAmplifier sc5312a_SetRfPath sc5312a_SetLoOut sc5312a_SetRfAttenuation sc5312a_SetRfFilter sc5312a_SetLoFilter sc5312a_SetIfGainDac sc5312a_SetVco...

Страница 24: ...set the device active LED define RF_FREQUENCY 0x10 set the frequency define RF_AMPLIFIER 0x12 enable amplifiers define RF_ATTENUATION 0x13 set attenuation for digital step attenuators define RF_PATH...

Страница 25: ...rl H to assist with understanding the input and output parameters Function sc5312a_ListResources Definition int sc5312a_ListResources char visaResource unsigned int size Output char visaResource point...

Страница 26: ...r specified by the commandByte See the register map on Table 2 for more information Example To set the frequency to 2 GHz Declaring char visaResource char malloc sizeof char 10 10 devices unsigned int...

Страница 27: ...l mode set the mode of initialization Description sc5312a_InitDevice initializes resets the device Mode 0 resets the device to the default power up state Mode 1 resets the device but leaves it in its...

Страница 28: ...char attenuator unsigned char atten Input unsigned int deviceHandle handle to the opened device unsigned char attenuator selects the attenuator to program unsigned char atten attenuation value 0 31 d...

Страница 29: ...the differential amplifiers The default factory setting is 2008 Function sc5312a_SetDcOffsetDac Definition int sc5312a_SetDcOffsetDac unsigned int deviceHandle unsigned char channel unsigned short dac...

Страница 30: ...sc5312a_GetDeviceInfo unsigned int deviceHandle deviceInfo_t devInfo Input unsigned int deviceHandle handle to the opened device Output deviceInfo_t devInfo device info struct Description sc5312a_Get...

Страница 31: ...gned char byteData Input unsigned int deviceHandle handle to the opened device unsigned int memAdd EEPROM memory address Output unsigned char byteData the read back byte data Description sc5312a_ReadU...

Страница 32: ...receive a factory calibration The SC5312A is sold as a component and users will need to perform amplitude and IQ correction as part of their system which may minimally include a digitizer LO source an...

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