Peregrine Semiconductor Corporation UltraCMOS SP6T User manual

Multi-throw Count RF Switch
EVK User’s Manual
Page ii DOC-82458-1 – (02/2017)
www.psemi.com
Copyright and Trademarks
©2017, Peregrine Semiconductor Corporation. All rights reserved. The Peregrine name, logo, UTSi and
UltraCMOS are registered trademarks and HaRP, MultiSwitch and DuNE are trademarks of Peregrine Semicon-
ductor Corp.
Disclaimers
The information in this document is believed to be reliable. However, Peregrine assumes no liability for the use
of this information. Use shall be entirely at the user’s own risk. No patent rights or licenses to any circuits
described in this document are implied or granted to any third party. Peregrine’s products are not designed or
intended for use in devices or systems intended for surgical implant, or in other applications intended to support
or sustain life, or in any application in which the failure of the Peregrine product could create a situation in which
personal injury or death might occur. Peregrine assumes no liability for damages, including consequential or
incidental damages, arising out of the use of its products in such applications.
Patent Statement
Peregrine products are protected under one or more of the following U.S. patents: patents.psemi.com
Sales Contact
Corporate Headquarters
9369 Carroll Park Drive, San Diego, CA, 92121
858-731-9400

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Multi-throw Count RF Switch
EVK User’s Manual
Table of Contents
Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -1
Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1
Application Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Evaluation Kit Contents and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Kit Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Software Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Hardware Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Evaluation Board Assembly - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -3
SP6T Evaluation Board Assembly Overview - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3
SP8T Evaluation Board Assembly Overview - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4
SP12T Evaluation Board Assembly Overview - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5
Quick Start Guide - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -7
Quick Start Overview - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7
Software Installation - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7
USB Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
EVK Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Hardware Configuration - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 10
USB Interface Board Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Evaluation Board Overview (SP6T, SP8T, SP12T) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
SP6T Evaluation Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
SP6T EVB Connection to USB Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
SP6T Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
SP6T EVB Functional Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
SP6T Hardware Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
SP6T Digital Control Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
SP6T Control Logic Truth Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
SP8T EVB Connection to USB Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
SP8T Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

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EVK User’s Manual
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SP8T EVB Functional Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
SP8T Hardware Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
SP8T Digital Control Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
SP8T Control Logic Truth Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
SP12T EVB Connection to USB Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
SP8T Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
SP12T EVB Functional Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
SP12T Hardware Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
SP12T Digital Control Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
SP12T Control Logic Truth Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Using the Graphical User Interface - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 26
Graphical User Interface Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Device Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Switch 1 Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Switch 1 Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Switch 1 USB Board Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Controlling Multiple EVBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Switch 2 Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Switch 2 USB Board Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Software Version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Technical Resources - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -31
Technical Resources - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 31

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EVK User’s Manual
Introduction
The SP6T (PE42562, PE42462, PE426462), SP8T (PE42582, PE42482, PE426482) and SP12T (PE42512,
PE42412, PE426412) are HaRP™ technology-enhanced absorptive high throw count RF switches manufac-
tured on Peregrine’s UltraCMOS®process, a patented variation of silicon-on-insulator (SOI) technology.
These products deliver high port-to-port isolation, low insertion loss and fast switching time, making them ideal
for filter bank switching and RF signal routing in test and measurement (T&M) and wireless applications up to
8 GHz. No blocking capacitors are required if DC voltage is not present on the RF ports.
Device versions are available in SP6T, SP8T and SP12T configurations with and without an external VSS pin for
bypassing the internal negative voltage generator for true spur-free performance. These products operate down
to 10 MHz, with special T&M versions available down to 9 kHz. The SP6T and SP8T devices are available in a
24-lead 4 × 4 mm QFN package. SP12T devices are available in a 32-lead 5 × 5 mm QFN package.
Each evaluation kit (EVK) includes all hardware required to control and evaluate the functionality of the multi-
throw count RF switches. The Multi-throw Count RF Switch evaluation software can be downloaded at
www.psemi.com and requires a PC running the Windows®operating system to control the RF switch via the USB
interface board.
Application Support
For any technical inquiries regarding the evaluation kit or software, please visit applications support at
www.psemi.com (fastest response) or call (858) 731-9400.
Introduction

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EVK User’s Manual
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Evaluation Kit Contents and Requirements
Kit Contents
The Multi-throw Count RF Switch EVK includes the following hardware required to evaluate the high throw count
RF switches.
Software Requirements
The Multi-throw Count RF Switch evaluation software will need to be installed on a computer with the following
minimum requirements:
• PC compatible with Windows XP, Vista, 7, 8 or 10
• Mouse or other pointing device
• USB port
• Web browser with internet access (for downloading software)
• User account with administration privileges (for installing software)
Hardware Requirements
To evaluate the performance of the evaluation board, a network analyzer is recommended. A signal generator
and spectrum analyzer are required for harmonic measurements. Linearity measurements may require an
additional signal generator and additional filtering to reduce the fundamental signal delivered to the spectrum
analyzer in order to resolve the low level intermodulation tones.
Caution: The Multi-throw Count RF Switch EVK contains components that might be damaged by exposure to
voltages in excess of the specified voltage, including voltages produced by electrostatic discharges. Handle the
board in accordance with procedures for handling static-sensitive components. Avoid applying excessive
voltages to the power supply terminals, RF ports, and digital inputs.
Table 1 • Multi-throw Count RF Switch Evaluation Kit Contents
Quantity Description Device Part Number
1 Multi-throw Count RF Switch evaluation board assembly
PE42562 PRT-66070
PE42462 PRT-65914
PE426462 PRT-66739
PE42582 PRT-66238
PE42482 PRT-65969
PE426482 PRT-66791
PE42512 PRT-66122
PE42412 PRT-66018
PE426412 PRT-66843
1 Peregrine USB interface board assembly ALL PRT-50866
1 USB 2.0 type A to type B mini cable ALL PRT-58894

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Multi-throw Count RF Switch
EVK User’s Manual
Evaluation Board Assembly
SP6T Evaluation Board Assembly Overview
The SP6T evaluation board (EVB) is assembled with the PE42562, PE42462 or PE426462, test headers and
SMA connectors. The RF traces from each SMA connector to the RF switch are equal length, easing the task of
de-embedding. The PCB includes an additional RF "thru" trace that can be measured and used to remove the
PCB loss when de-embedding. The length of the "thru" trace is twice the length of an RF trace connected to the
RF switch.
Figure 1 • SP6T RF Switch Evaluation Board Assembly

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SP8T Evaluation Board Assembly Overview
The SP8T EVB is assembled with the PE42582, PE42482 or PE426482, test headers and SMA connectors. The
RF traces from each SMA connector to the RF switch are equal length, easing the task of de-embedding. The
PCB includes an additional RF "thru" trace that can be measured and used to remove the PCB loss when de-
embedding. The length of the "thru" trace is twice the length of an RF trace connected to the RF switch.
Figure 2 • SP8T RF Switch Evaluation Board Assembly

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SP12T Evaluation Board Assembly Overview
The SP12T EVB is assembled with the PE42512, PE42412 or PE426412, test headers and SMA connectors.
The RF traces from each SMA connector to the RF switch are equal length, easing the task of de-embedding.
The PCB includes an additional RF "thru" trace that can be measured and used to remove the PCB loss when
de-embedding. The length of the "thru" trace is twice the length of an RF trace connected to the RF switch.
Figure 3 • SP12T RF Switch Evaluation Board Assembly

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EVK User’s Manual
Quick Start Overview
The EVB was designed to ease customer evaluation
of the multi-throw count RF switches. This chapter will
guide the user through the software installation,
hardware configuration and using the graphical user
interface (GUI).
Software Installation
USB Driver
The latest USB interface board drivers are available
via Microsoft Windows update. Internet connectivity is
required to download the drivers. Connect the USB
interface board to the PC and select the Windows
Update option to obtain and install the drivers
(Figure 4).
If Windows Update is not available; the USB interface
board driver can be downloaded directly from the
manufacturer at www.ftdichip.com/Drivers/D2XX.htm
and selecting the link for the Windows operating
system driver. It is recommended to select the "Setup
Executable" option when choosing the driver to
download.
A USB interface board (Figure 14) is included with
the evaluation kit, and must be connected and driver
installation completed prior to installing the Multi-
throw Count RF Switch evaluation software.
EVK Software
To evaluate the Multi-throw Count RF Switch perfor-
mance, the application software should be installed on
your computer. The USB interface and Multi-throw
Count RF Switch application software are compatible
with computers running Windows®XP, Vista, 7, 8 or
10 in 32- or 64-bit configuration. This software is
available directly from Peregrine’s website at
www.psemi.com.
To install the Multi-throw Count RF Switch evaluation
software, unzip the archive and execute “setup.exe”
(Figure 5).
Figure 4 • USB Driver Installation (Detecting)
Figure 5 • Multi-throw Count RF Switch Evaluation
Software Setup
Quick Start Guide

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When executed, the installation application will
display a welcome screen. It is strongly recommended
that all programs be closed prior to continuing. Click
the “Next>” button to proceed.
Review the license agreement, then click the “IAgree”
radio button followed by the “Next>” button.
For most users the default install location for the
program files is sufficient. If a different location is
desired, the install program can be directed to place
the program files in an alternate location. The
software is installed for “Everyone” by default. Once
the desired location is selected click “Next>.”
In the Confirm Installation window, click “Next>” to
proceed with the software installation.
Figure 6 • Multi-throw Count RF Switch Evaluation
Software Setup
Figure 7 • License Agreement
Figure 8 • Select Installation Folder
o
Figure 9 • Confirm Installation

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As the software files are installed, a progress indicator
will be displayed. On slower computers, installation of
the software may proceed for a few moments.
If prompted to confirm the installation of the appli-
cation, click “Yes” to confirm that the verified publisher
is "Peregrine Semiconductor Corporation."
Once the evaluation software is installed, click “Close”
to exit.
A new Start Menu item under Peregrine Semicon-
ductor will appear in the start menu of your computer.
Select “Switch Evaluation Software” to launch the
evaluation software (Figure 13).
Figure 10 • Progress Indicator
Figure 11 • Confirming the Installation
Figure 12 • Installation Complete
Figure 13 • Multi-throw Count RF Switch Evaluation
Software Launch

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Hardware Configuration
USB Interface Board Overview
The USB interface board (Figure 14) is included in the evaluation kit. This board allows the user to control the
digital input signals at the RF switch by using Peregrine software running the Windows®operating system. To
install the software, see “Software Installation” on page 7.
Figure 14 • USB Interface Board

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Evaluation Board Overview (SP6T, SP8T, SP12T)
The evaluation boards are designed to ease customer evaluation of Peregrine’s multi-throw count RF switches.
The board contains:
1) Standard 0.1-inch headers for power supply, digital control signals and USB interface board.
2) SMA connectors for RF performance verification and for connecting the THRU trace to calibrate board trace
loss.
The schematic and evaluation board outline are provided in this user manual.
SP6T Evaluation Board
SP6T EVB Connection to USB Board
The SP6T EVB and the USB interface board mate with a 14-pin connector. This feature allows the USB interface
board (socket) to connect directly to the EVB (pin) on the front side (Figure 15). Use caution when making the
connection to ensure the USB interface board is aligned and connected to both rows of pins properly.
Figure 15 • USB Interface Board Connected to the SP6T Evaluation Board

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SP6T Schematic
Figure 16 • SP6T Evaluation Board Schematic
NOTES:
1: Contains Parts and Assemblies susceptible
to damage by electrostatic discharge (ESD)
THRU LINE
50 OHM
50 OHM
50 OHM
50 OHM
50 OHM
50 OHM
50 OHM
50 OHM
GND
1
1
22
3
3
44
5
5
66
7
7
88
9
9
10 10
11
11
12 12
13
13
14 14
J9
HEADER2X7
J1
J2
J3 J4
J5
J6
J0
J7 J8
C1
0.1uF
C2
DNI
C3
100pF
C4
DNI
1
1A 3
2A 5
3A 7
4A
21B
42B
63B
84B
10 5B
12 6B
14 KEY 13
KEY
9
5A 11
6A
15
8A
16 8B 17
9A
18 9B
20 10B 19
10A
J10
PCB FINGER CONN. 20 PIN
1LS
2RF2
3GND
4RF3
5GND
6GND
7GND
8VDD
9V1
10 V2
11 V3
12 GND
13
GND
14
GND
15
RF4
16
GND
17
RF5
18
GND
19
RF6
20
NC
21
GND
22
RFC
23
GND
24
RF1
U1
PE42462
R1
0 OHM
R2
DNI
R3
DNI
R4
DNI
R5
DNI
R6
DNI
R7
DNI
R8
DNI
JP1
JP2
VSS/GND
VDD
V3
V1
V2

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SP6T Hardware Operation
Operation with USB Interface Board and Software Control
The guidelines for operating the SP6T evaluation board with the USB interface board are listed in this section.
Warning: Peregrine devices with external VSS supply voltage applied are not supported on the SP6T evaluation
board when the USB interface board is connected. The USB interface board will be damaged if external VSS
voltage is applied. Refer to the “Manual Operation with External Supplies and External Control Inputs
(External VSS)” section below for configuring and evaluating the device with an external VSS supply.
Follow these steps to configure the hardware for basic evaluation.
1) Remove any jumpers that are installed on JP1 and JP2.
2) Connect the USB interface board on J9, as shown in Figure 14. Note the correct orientation.
3) Calibrate board trace loss with THRU trace between J7 and J8. THRU calibration is sufficient for initial mea-
surements. If more accurate results are desired, a full vector de-embedding can be done with the THRU trace.
Manual Operation with External Supplies and External Control Inputs (External VSS)
The guidelines for operating the SP6T evaluation board with no software and external supplies (Including
external VSS for spur-free performance) to control device are listed in this section.
Follow these steps to configure the hardware for external supply evaluation.
1) Disconnect the USB interface board from the evaluation board.
2) Install a jumper on JP1 if a logic low is desired on Logic State input. Removing JP1 presents a logic high on
Logic State (internal pull-up resistor)
3) Remove any jumper that may be installed on JP2.
4) Connect an external VDD power supply lead (3.3V) to J9–1 and ground to J9–2.
5) If supported by the device, connect an external VSS power supply lead (–3.0V) to J9–3 and ground to J9–4.
6) For V1–V3, connect an external power supply positive lead (3.3V) to J9–11, J9–9 and J9–7 respectively if a
logic level high is desired. Ground may be connected at J9–12, J9–10 or J9–8. Refer to Table 3 for the SP6T
truth table for V1–V3 logic level port mapping
7) Calibrate board trace loss with THRU trace between J7 and J8. THRU calibration is sufficient for initial mea-
surements. If more accurate results are desired, a full vector de-embedding can be done with the THRU trace.
SP6T Digital Control Pin Descriptions
Table 2 • SP6T Digital Control Pin Descriptions
Pin Name Description
LS Logic Select-used to determine the definition for V1, V2 and V3 pins
V1 Digital control logic input 1
V2 Digital control logic input 2
V3 Digital control logic input 3

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SP6T Control Logic Truth Table
Table 3 • Truth Table for SP6T
LS(1) V3 V2 V1 RFC–RF1 RFC–RF2 RFC–RF3 RFC–RF4 RFC–RF5 RFC–RF6
0000 ON OFF OFF OFF OFF OFF
0100 OFF ON OFF OFF OFF OFF
0010 OFF OFF ON OFF OFF OFF
0110 OFF OFF OFF ON OFF OFF
0001 OFF OFF OFF OFF ON OFF
0101 OFF OFF OFF OFF OFF ON
1101 ON OFF OFF OFF OFF OFF
1001 OFF ON OFF OFF OFF OFF
1110 OFF OFF ON OFF OFF OFF
1010 OFF OFF OFF ON OFF OFF
1100 OFF OFF OFF OFF ON OFF
1000 OFF OFF OFF OFF OFF ON
X(2) 0 1 1 OFF OFF OFF OFF OFF OFF
Notes:
1) LS has an internal 1 MΩpull-up resistor to logic high. Connect LS to GND externally to generate a logic 0. Leaving LS floating will generate a
logic 1.
2) LS = don’t care, V3 = 0, V2 = V1 = 1, all ports are terminated to provide an all isolated state.

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SP8T EVB Connection to USB Board
The SP8T EVB and the USB interface board mate with a 14-pin connector. This feature allows the USB interface
board (socket) to connect directly to the EVB (pin) on the front side (Figure 18). Use caution when making the
connection to ensure the USB interface board is aligned and connected to both rows of pins properly.
Figure 18 • USB Interface Board Connected to the SP8T Evaluation Board
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