SI5XX5X7-EVB

Si 5xx5x7- EVB E VALUATION B OARD FOR S i 53 X /5 5 X / 59 X XO S /VC XO S Description Features This document describes the operation of the Skyworks Si5xx5x7-EVB evaluation board to evaluate both Skyworks' Si55x and Si595 VCXOs and Si53x and Si590/591 XOs. The Si53x/55x/59x devices use Skyworks' advanced DSPLL® circuitry to provide a lowjitter clock at high frequencies. The Si55x/Si53x/59x ICbased device is factory configurable for a wide variety of user specifications including frequency, supply voltage, output, and tuning slope. Specific configurations are factory programmed into the Si55x/Si53x/59x at time of shipment, thereby eliminating the long lead times associated with custom oscillators. Si55x/Si53x/59x samples should be ordered at the same time as the Si5xx5x7-EVB since the EVB does not come with the device. This allows end users maximum flexibility. Skyworks can solder down samples when ordering an EVB; please specify when ordering. Evaluation of Skyworks' Si55x/53x/59x family AC-coupled differential output clocks Voltage control (VC) input port (for Si55x/595 devices) Jumper selection for multi-frequency outputs Jumper selection for output enable Functional Block Diagram Power Input Configuration Jumpers VC Input RC Filter (no-pop) Si5xx Device CLK+ Output Bias DC Block CLK– Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com Rev. 0.3 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 9, 2021 Si 5xx5x7 -E VB 1. Functional Description 1.1. Power Supply The Si5xx5x7-EVB provides access to all signals for configuring and operating the device. This board allows evaluation of the Si55x/595 VCXO device either by itself (open-loop) or within a prototype PLL (closed-loop). The performance of the Si53x/590/591 XO device can also be evaluated on this board (the Vc port is not used for XO devices). The Si55x/Si53x/59x devices support operation from nominal voltages of 1.8, 2.5, and 3.3 V. Review the device data sheet and part number for allowed configurations of output buffer type and device power supply. 1.2. Voltage Control for VCXOs Part Type JP1 JP2 JP3 JP4 Si530 N/A N/A OE N/A Si531 N/A N/A N/A OE Si532 N/A N/A OE Freq Sel Si533 N/A N/A Freq Sel OE The voltage control (VC) input of the Si55x/595 device is conveniently accessible through an SMA jack (J3) but can also be driven (and observed) through 100 milcentered posts (JP4). For prototyping purposes, two 0603 solder pads are located near the device VC input (R3 and C3). A traditional PLL might use these as a single-time-constant low-pass filter (RC filter). The EVB is shipped with a 0  resistor soldered at R3; C3 is left open. The voltage control input is not used for XO devices. OE N/A 1.3. Output Clock Because the Si55x/Si53x/59x devices can support an LVPECL buffer type (in addition to LVDS and CMOS), pulldown resistors (R1 and R2) are available for proper output biasing. For LVPECL buffers, biasing can be achieved through a variety of equivalent circuits; the Si5xx5x7-EVB allows for 130  pulldown resistors. After the output biasing, the high-speed outputs are dcblocked for connection to differently biased inputs, such as standard test equipment or a phase detector EVB. Please review “1.4. Preparing the EVB” for non-LVPECL devices. Table 1. Jumper Control Si534 Freq Sel1 Freq Sel2 Si550 N/A N/A OE VC Si552 N/A N/A Freq Sel VC OE VC Si554 Freq Sel1 Freq Sel2 Si590 N/A N/A OE N/A Si591 N/A N/A N/A OE Si595 N/A N/A OE VC Notes: 1. With jumper(s) installed, signal(s) are driven low. 2. With jumper(s) not installed, signal(s) are pulled high. 1.4. Preparing the EVB By default, the evaluation board is set up to accept LVPECL configured devices. This configuration uses 130  pull-down resistors to bias the LVPECL output stage. If an LVDS, CMOS, or CML based device is to be installed, the output biasing resistors, R1 and R2, should be removed. 2 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com Rev. 0.3 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 9, 2021 JP4 2 VDD C3 DNS High-order pole 0 R3 Alternate Vc input Place in-line with J3 Vc input J3 SMA EVB Power Input POS2 POS1 1 C6 DNS MKDSN 2,5/3-5,08 J4 C5 DNS F2 F1 VC OE OE 8 7 1 2 Si550 JP3 SN\ZRUNV VCXO 4 5 DNS DNS JP2 JP1 R2 R1 Frequency Select F2 F1 CLKOUT- CLKOUT+ Figure 1. Si5xx5x7-EVB Schematic Output Enable F2 F1 OE U1 VDD DNC 9 C4 DNS 6 VDD GND 3 VDD 0.1uF C2 0.1uF C1 SMA J2 SMA J1 Main output; route as differential pair Si5xx5x7-EVB 2. Schematics Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 3 Rev. 0.3 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 9, 2021 Si 5xx5x7 -E VB 3. Bill of Materials Table 2. Si5xx5x7-EVB Bill of Materials Item Qty Ref Description Mfr # Mfr 1 2 C1,C2 CAP,SM,0.1 µF, 16 V,20%,X7R,0402 C0402X7R160-104KNE Venkel 2 2 C5 CAP,SM,0.1 µF, 16 V,20%,X7R,0603 C0603X7R160-104KNE Venkel 3 1 C4 CAP,SM,10 µF, 10 V,10%,TANTALUM,3216 TA010TCM106KAR Venkel 4 1 C6 CAP,SM,100 pF, 50 V,10%,C0G,0603 C0603C0G500-101KNE Venkel 5 4 JP1,JP2, JP3,JP4 CONN,HEADER,2X1 TSW-150-07-T-D or TSW-150-07-T-S Samtec 6 3 J1,J2,J3 CONN,SMA SIDE MOUNT 901-10003 Amphenol 7 1 J4 CONN,POWER, 2 POSITION 1729018 Phoenix Contact 8 1 R3 RES,SM,0 ,0603 CR0603-16W-000T Venkel 9 2 R1,R2 RES,SM,150,1%,0603 CR0603-16W-1500FT Venkel 11 1 C3 CAP,SM,0.1 µF, 16 V,20%,X7R,0603 C0603X7R160-104KNE Venkel 10 1 U1 Si5xx - Not populated Si5xx Skyworks No Load 4 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com Rev. 0.3 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 9, 2021 Si5xx5x7-EVB 4. Layout Figure 2. Assembly Drawing Figure 3. Layer 1 Primary Figure 4. Layer 2 Secondary Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 5 Rev. 0.3 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 9, 2021 Si 5xx5x7 -E VB DOCUMENT CHANGE LIST Revision 0.13 to Revision 0.14 Updated "Bill of Materials‚" on page 4. Updated Figure 2, “Assembly Drawing,” on page 5. Revision 0.14 to Revision 0.2 Changed Si5xx-EVB to Si5xx5x7-EVB. Revision 0.2 to Revision 0.3 Changed instances of Si53x/590/591, Si55x, and Si53x to Si53x/55x/59x throughout. Updated 6 Table 1, “Jumper Control,” on page 2. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com Rev. 0.3 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 9, 2021 Si5xx5x7-EVB NOTES: Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 7 Rev. 0.3 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 9, 2021 ClockBuilder Pro Customize Skyworks clock generators, jitter attenuators and network synchronizers with a single tool. With CBPro you can control evaluation boards, access documentation, request a custom part number, export for in-system programming and more! www.skyworksinc.com/CBPro Portfolio SW/HW Quality Support & Resources www.skyworksinc.com/ia/timing www.skyworksinc.com/CBPro www.skyworksinc.com/quality www.skyworksinc.com/support Copyright © 2021 Skyworks Solutions, Inc. All Rights Reserved. Information in this document is provided in connection with Skyworks Solutions, Inc. (“Skyworks”) products or services. These materials, including the information contained herein, are provided by Skyworks as a service to its customers and may be used for informational purposes only by the customer. Skyworks assumes no responsibility for errors or omissions in these materials or the information contained herein. Skyworks may change its documentation, products, services, specifications or product descriptions at any time, without notice. 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