Doc. No: Unex-HDG-20-001 Document Number Revision Authors Unex-HDG-20-001 0.3 Nidor Huang Quick Start Guide for VTX-301 Reviewers Department Name Acceptance Date PD Nidor Huang 2020/4/7 RD JY Ou Note Modification History Revision Date Originator Comment 0.1 2020/1/31 Nidor Huang Creating document 0.2 2020/3/10 Nidor Huang Adding Operating Frequency 0.
Doc. No: Unex-HDG-20-001 TABLE OF CONTENTS 1. 2. 3. 4. 5. 6. 7. Objective ................................................................................................... 3 Reference ................................................................................................. 3 Safety Guideline ....................................................................................... 3 FCC Compliance and Advisory Statement ................................................ 3 4.1.
Doc. No: Unex-HDG-20-001 1. Objective The purpose of this document is to provide you with information necessary to install, set and customize settings, including troubleshooting of the VTX-301 start-up. To ensure safe installation and operation of the equipment, read the safety guidelines at the beginning of this manual and follow the procedures outlined in the following chapters before connecting power to the motherboard or to the I/O cable of VTX-301.
Doc. No: Unex-HDG-20-001 (2) This device must accept any interference received, including interference that may cause undesired operation. 4.1. Information for the OEMs and Integrators The following statement must be included with all versions of this document supplied to an OEM or integrator, but should not be distributed to the end user. 1) This device is intended for OEM integrators only. 2) Please see the full Grant of Equipment document for other restrictions. 4.2.
Doc. No: Unex-HDG-20-001 • Consult the dealer or an experienced radio/ TV technician for help. CAUTION: Any changes or modifications not expressly approved by the grantee of this device could void the user’s authority to operate the equipment. 4.4.
Doc. No: Unex-HDG-20-001 5. Product Appearance Figure 1. Appearance 6.
Doc. No: Unex-HDG-20-001 7. I/O Interfaces 7.1. Antenna Interfaces 7.1.1. Connectors The VTX-301 provides two 50 Ω RF connectors. Receptacle connectors are compatible with I-PEX MHF I 20279-001E-03 or HIROSE U.FL-R-SMT-1(10). For more information about mating connectors, visit the website https://www.i-pex.com/Products/detail/129 or http://www.hirose-connectors.com/ for more detail.
Doc. No: Unex-HDG-20-001 Figure 4: Antenna cable extraction tool 7.1.2. Operating Frequency VTX-301 can transmit/receive in U-NII-4 band (5850-5925 MHz). There are 7 available channels (172, 174, 176, 178, 180, 182, and 184) with 10 MHz bandwidth. If using U-NII-4 band is not allowed by local authorities, U-NII-3 (5725-5850 MHz) can be used as an alternative option. 7.2. Pinout Please note that the pinout listed here is seen from the VTX-301 side.
Doc. No: Unex-HDG-20-001 Pin Symbol Type Pull Drive Strength (mA) Description Power Domain 13 BOOT_IO13 I/O PU 4 Bootstrapping: Pull low with 3K Ohm to boot from NAND. Floating to boot form USB0. VDD_3.3V 14 RF1_COMP_TX_EN O PU 8 Tx/Rx control for the RF0 cable compensator VDD_3.3V 15 GND G - - Ground - 16 EX_RSTn I PU - Module reset, active LOW. VDD_3.3V 17 GND G - - Ground - 18 AO_GPIO4 I/O PD 2 General Purpose I/O.
Doc. No: Unex-HDG-20-001 Pin Symbol Type Pull Drive Strength (mA) Description Power Domain 56 UART4_RXD I PU 4 UART Interface, Receive input for RF0 cable compensator VDD_3.3V 57 S_GPIO15 I/O PU 4 General Purpose I/O VDD_3.3V 58 GND G - - Ground - - Output 32 kHz clock. RTC Clock source for external CPU VDD_3V3_A Ground - 59 M3_CLK32KOUT O - 60 GND G - Low voltage indicator (LVI).
Doc. No: Unex-HDG-20-001 Pin Symbol Type Pull Drive Strength (mA) Description Power Domain 93 N.C. - - - Non Connection - 94 N.C. - - - Non Connection - 95 GND G - - Ground - 96 GND G - - Ground - 97 GND G - - Ground - 98 VDD_5V P - - 5V Power Supply - 99 VDD_5V P - - 5V Power Supply - 100 VDD_5V P - - 5V Power Supply - 7.3.
