SIGNALCORE SC5317A Hardware Manual Download Page 6

 

©2018 

Rev 1.1

 

General Information 

 

“SignalCore”, “signalcore.com”, and the phrase “preserving signal integrity” are r

egistered trademarks 

of SignalCore, Incorporated. Other product and company names mentioned herein are trademarks or 
trade names of their respective companies. 

 

International Materials Declarations 

SignalCore,  Incorporated  uses  a  fully  RoHS  compliant  manufacturing  process  for  our  products. 
Therefore, SignalCore hereby declares that its products do not contain restricted materials as defined 
by  European  Union  directive  2002/95/EC  (EU  RoHS)  in  any  amounts  higher  than  limits  stated  in  the 
directive. This statement assumes reliable information and data provided by our component suppliers 
and may not have been independently verified through other means. For products sold into China, we 

also  comply  with  the  “Administrative  Measure  on  the  Control  of  Pollution  Caused

  by  Electronic 

Information Products” (China RoHS). In the current stage of this legislation, the content of six hazardous 

materials must be explicitly declared. Each of those materials, and the categorical amount present in 
our products, are shown below: 

               

Lead        

(Pb) 

       

Mercury 

(Hg) 

     

Cadmium  

(Cd) 

六价

  

Hexavalent 

Chromium 

(Cr(VI)) 

联苯

 

Polybrominated 

biphenyls                 

(PBB) 

 

Polybrominated 

diphenyl ethers   

(PBDE) 

 

 

 

 

 

 

 

 

indicates  that  the  hazardous  substance  contained  in  all  of  the  homogeneous  materials for  this 

product is below the limit requirement in SJ/T11363-2006. An  

X

  indicates that the particular hazardous 

substance contained in at least one of the homogeneous materials used for this product is above the 
limit requirement in SJ/T11363-2006. 

 

CE European Union EMC & Safety Compliance Declaration 

The European Conformity (CE) marking is affixed to products with input of 50 - 1,000 Vac or 75 - 1,500 
Vdc  and/or  for  products  which  may  cause  or  be  affected  by  electromagnetic  disturbance.  The  CE 
marking symbolizes conformity of the product with the applicable requirements. CE compliance is a 

manufacturer’s self

-declaration allowing products to circulate freely within the European Union (EU). 

SignalCore products meet the essential requirements of Directives 2004/108/EC (EMC) and 2006/95/EC 
(product  safety)  and  comply  with  the  relevant  standards.  Standards  for  Measurement,  Control  and 
Laboratory Equipment include EN 61326 and EN 55011 for EMC, and EN 61010-1 for product safety.  

 

Warnings Regarding Use of SignalCore Products 

(1)  PRODUCTS FOR SALE BY SIGNALCORE, INCORPORATED ARE NOT DESIGNED WITH COMPONENTS NOR TESTED 

FOR  A  LEVEL  OF  RELIABILITY  SUITABLE  FOR  USE  IN  OR  IN  CONNECTION  WITH  SURGICAL  IMPLANTS  OR  AS 
CRITICAL COMPONENTS IN ANY LIFE SUPPORT SYSTEMS WHOSE FAILURE TO PERFORM CAN REASONABLY BE 
EXPECTED TO CAUSE SIGNIFICANT INJURY TO A HUMAN. 

   

Summary of Contents for SC5317A

Page 1: ...2018 SignalCore Inc All Rights Reserved Hardware Manual SC5317A SC5318A 6 GHz to 26 5 GHz RF Downconverter www signalcore com SC5317A Coming Soon...

Page 2: ...7 Signal Connections 7 Device LED Indicators 7 Communication and Supply Connection 8 Mini USB Connection 9 Reset Button Pin Hole 9 3 Functional Description 9 Overview 9 The Signal Chain 10 The RF Inpu...

Page 3: ...NTH_SELF_CAL 21 Query Registers 21 Register 0x30 GET_DEVICE_PARAM 22 Register 0x31 GET_TEMPERATURE 22 Register 0x32 GET_DEVICE_STATUS 23 Register 0x33 GET_DEVICE_INFO 24 Register 0x34 CAL_EEPROM_READ...

Page 4: ...rial Bridge 5 Writing to the Device 5 Reading from the Device 6 6 Calibration 6 Calibration EEPROM Map 6 Absolute Conversion Gain 7 Absolute Gain of the RF Conversion Path 8 Gain Through the Bypass RF...

Page 5: ...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 P...

Page 6: ...PBDE A indicates that the hazardous substance contained in all of the homogeneous materials for this product is below the limit requirement in SJ T11363 2006 An X indicates that the particular hazardo...

Page 7: ...ORPORATED IN A SYSTEM OR APPLICATION INCLUDING WITHOUT LIMITATION THE APPROPRIATE DESIGN PROCESS AND SAFETY LEVEL OF SUCH SYSTEM OR APPLICATION 2 Physical Description Unpacking All SignalCore products...

Page 8: ...eaning is necessary use lint free swabs and isopropyl alcohol to gently clean inside the connector barrel and the external threads Do not mate connectors until the alcohol has completely evaporated Ex...

Page 9: ...to the SC5318A is provided through a a rectangular connector from Samtec whose part number is TFM 115 01 L D RA It also serves as the digital connector interface for RS232 SPI trigger and other digita...

Page 10: ...hole is the reset button only available on the SC5318A Using a pin to lightly depress this momentary action push button switch will cause a hard reset to the device putting it back to its default sett...

Page 11: ...ter accuracy and stability the synthesizer can lock to an external reference of higher precision The Signal Chain The conversion module contains the mixers filters amplifiers and attenuators used to c...

Page 12: ...itchable RF amplifier that can be switched into the signal path to improve the device sensitivity effectively lowering the device noise figure In other words the effective input noise level of the dev...

Page 13: ...isolation lowering the LO leakage at the RF input port to 90 dBm The frequency relationship between the three ports of the mixer is given as From the above equation the IF output spectrum is inverted...

Page 14: ...aintaining low phase noise The reference signal for the generation of the LO signal comes from an internal temperature controlled crystal oscillator TCXO Figure 5 Block diagram of the local oscillator...

Page 15: ...t of hardware registers of the downconverter may be divided into a configuration set and a query set the configuration registers are write only registers to set up the states of the device while the q...

Page 16: ...6 31 24 Frequency Word Hz 31 24 39 32 Frequency Word Hz 39 32 47 40 Frequency Word Hz 47 40 55 48 Frequency Word Hz 55 48 LO_FREQUENCY 0x12 7 0 Frequency Word Hz 7 0 15 8 Frequency Word Hz 15 8 23 16...

Page 17: ...oscillator synthesizers It also enables or disables faster tuning of the YIG based oscillator of LO1 Bytes written 2 Bytes read 1 Bits Type Name Width Description 1 0 WO Loop Gain 2 0 low loop gain i...

Page 18: ...rd in milli Hz mHz mHz used for future compatibility 7 0 R Read back byte 8 Read 1 byte back is required for PXIe and RS232 Register 0x12 LO_FREQUENCY This register sets the final IF value Bytes writt...

Page 19: ...value 8 In 0 25 dB LSB for IF 1 dB LSB for RF 10 8 W The target attenuator 3 The attenuator number 0 RF Atten 1 RF Atten 23 11 W Unused 13 Set to zeros 7 0 R Read back byte 8 Read 1 byte back is requ...

Page 20: ...written 2 Bytes read 1 Bits Type Name Width Description 7 0 W Unused 8 Set to zeros 7 0 R Read back byte 8 Read 1 byte back is required for PXIe and RS232 Register 0x19 DEVICE_STANDBY This register s...

Page 21: ...zeros 7 0 R Read back byte 8 Read 1 byte back is required for PXIe and RS232 Register 0x1B REFERENCE_DAC This register makes adjustments to the 10 MHz TCXO accuracy via DAC to its tuning port Bytes w...

Page 22: ...isters may require instruction data to specify the type of data to return while others do not need any For example the register GET_DEVICE_PARAM 0x30 returns the RF Frequency IF1 Frequency IF3 Frequen...

Page 23: ...er to query from the device Bytes written 2 Bytes read 8 Bits Type Name Width Description 3 0 W Parameter 1 0 Returns current RF frequency 1 current IF frequency 2 current LO frequency 3 current Other...

Page 24: ...The coarse tuning PLL of LO 2 R Pll status LO1 fine 1 The fine tuning PLL of LO 3 R Pll status VCXO 1 100 MHz VCXO 4 R Pll status TCXO 1 TCXO only valid when lock to external reference is enabled 6 5...

Page 25: ...device 22 R autoAmpEnable 1 Only reflects the software setting for gain calculation does not affect device 63 23 R Invalid data 29 Ignore Register 0x33 GET_DEVICE_INFO Write to this register to query...

Page 26: ...8 Zeros 63 0 R Data 64 8 bytes of data LSB is the byte at the start address Register 0x36 SERIAL_OUT_BUFFER Writing to this register only provides the 64 clock edges Reg 7 data bytes to transfer seri...

Page 27: ...ertz Attenuator values Each attenuator value is returned as one byte and the lsb is in 0 25 dB Divide each byte by 4 to obtain the result in dB Signal Chain Configuration The signal chain configuratio...

Page 28: ...vision Information The first 4 bytes represent the hardware revision and last 4 bytes represent the firmware revision of the device These 4 bytes encompass a 32 bit floating point number so the data n...

Page 29: ...2018 SignalCore Inc All Rights Reserved Section 2 Communication Interfaces and Calibration...

Page 30: ...ollowing 1 Frequency is sent in 1000th of Hertz so the data that represents the frequency is 12 000 000 000 000 milli Hertz 2 This number can be represented by a 64 bit unsigned long and in Hexadecima...

Page 31: ...rthermore pin must be asserted low for the entire duration of a register transfer Once a full transfer has been received the device will proceed to process the command and de assert low the SRDY pin T...

Page 32: ...es depends on the register being targeted The first byte sent is the register address and subsequent bytes contain the data associated with the register As data from the host is being transferred to t...

Page 33: ...is pulled low or grounded the rate is set to 115200 upon reset or power up Data bits The number of bits in the data is fixed at 8 Parity Parity is 0 zero Stop bits 1 stop bit Flow control 0 zero or no...

Page 34: ...en 0x00 and 0xFF from BAR0 which is memory mapped A kernel level driver for the operating system is needed to access this memory address A simple driver using IO controls should be sufficient to read...

Page 35: ...at later received data are not corrupted Section 5 5 3 1 describes how a byte read cycle is performed Reading from the Device Device data is passed back to the host via the bridge chip byte by byte so...

Page 36: ...xF08 83 332 Float_32 RF invert abs gain each rf cal freq 0x1240 83 332 Float_32 Rf rel amplifier gain each rf cal freq 0x1578 2490 9960 Float_32 RF atten 1 30 dB 1 dB step for each freq a1_f0 a1_f1 a1...

Page 37: ...m the absolute reference values made over various RF frequencies These relative values are either subtracted attenuation or added gain to the absolute gain value to determine the gain of the relative...

Page 38: ...rence is computed using 1 1 0 1 2 0 2 is the gain correction 1 1 and 1 2 are the first and second order temperature gain coefficients respectively for RF band 1 and and 0 are the current temperature a...

Page 39: ...A SC5318A Hardware Manual SignalCore Inc 10 SC5317A SC5318A Hardware Manual Revision Table Revision Revision Date Description 0 1 6 19 18 Document Created 1 0 9 12 18 Initial Release 1 1 9 24 18 Edite...

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