1. Manuals
  2. Brands
  3. Quectel Manuals
  4. Computer Accessories
  5. UC20
  6. Manual

Quectel UC20 Manual

Umts/hspa module series
Hide thumbs Also See for UC20:
Table of Contents

Advertisement

Quick Links

Download this manual See also: User Manual
UC20
Hardware Design
UMTS/HSPA Module Series
Rev. UC20_Hardware_Design_V1.2
Date: 2014-01-13
www.quectel.com

Advertisement

Table of Contents
loading

Related Manuals for Quectel UC20

Summary of Contents for Quectel UC20

  • Page 1 UC20 Hardware Design UMTS/HSPA Module Series Rev. UC20_Hardware_Design_V1.2 Date: 2014-01-13 www.quectel.com...
  • Page 2 QUECTEL OFFERS THIS INFORMATION AS A SERVICE TO ITS CUSTOMERS. THE INFORMATION PROVIDED IS BASED UPON CUSTOMERS’ REQUIREMENTS. QUECTEL MAKES EVERY EFFORT TO ENSURE THE QUALITY OF THE INFORMATION IT MAKES AVAILABLE. QUECTEL DOES NOT MAKE ANY WARRANTY AS TO THE INFORMATION CONTAINED HEREIN, AND DOES NOT ACCEPT ANY LIABILITY FOR ANY INJURY, LOSS OR DAMAGE OF ANY KIND INCURRED BY USE OF OR RELIANCE UPON THE INFORMATION.

  • Page 3: About The Document

    AP_READY, UART upgrade function and Rx-diversity function. 2014-01-13 Mountain ZHOU Modified UC20-A frequency bands. Modified W_DISABLE# definition. Modified USIM pin’s electrical characteristics. 10. Modified GNSS sensitivity definition. 11. Modified turning on timing figure. 12. Updated the sleep application in Chapter 3.5.1 and airplane mode in Chapter 3.5.2.

  • Page 4: Table Of Contents

    UMTS/HSPA Module Series UC20 Hardware Design Contents About the Document ........................... 2 Contents ............................... 3 Table Index ..............................6 Figure Index ..............................7 Introduction ............................9 1.1. Safety Information........................10 Product Concept ..........................11 2.1. General Description ......................... 11 2.2.
  • Page 5 UMTS/HSPA Module Series UC20 Hardware Design 3.10. UART Interface ........................38 3.11. USIM Card Interface ........................ 42 3.11.1. USIM Card Application ....................42 3.11.2. Design Considerations for USIM Connector ..............44 3.12. USB Interface .......................... 46 3.13. PCM and I2C Interface ......................47 3.14.
  • Page 6 UMTS/HSPA Module Series UC20 Hardware Design 8.2. Manufacturing and Welding ..................... 74 8.3. Packaging ..........................75 Appendix A Reference ........................77 UC20_Hardware_Design Confidential / Released 5 / 84...
  • Page 7 UMTS/HSPA Module Series UC20 Hardware Design Table Index TABLE 1: UC20 SERIES FREQUENCY BANDS ....................11 TABLE 2: UC20 KEY FEATURES ........................13 TABLE 3: IO PARAMETERS DEFINITION ......................19 TABLE 4: PIN DESCRIPTION ........................... 19 TABLE 5: OVERVIEW OF OPERATING MODES ..................... 25 TABLE 6: VBAT AND GND PINS ........................
  • Page 8 FIGURE 37: DIMENSIONS OF THE UF.L-R-SMT CONNECTOR (UNIT: MM) ........62 FIGURE 38: MECHANICALS OF UF.L-LP CONNECTORS ..............63 FIGURE 39: SPACE FACTOR OF MATED CONNECTOR (UNIT: MM) ........... 63 FIGURE 40: UC20 TOP AND SIDE DIMENSIONS ................... 69 FIGURE 41: UC20 BOTTOM DIMENSIONS (BOTTOM VIEW) ..............70 UC20_Hardware_Design...
  • Page 9 UMTS/HSPA Module Series UC20 Hardware Design FIGURE 42: BOTTOM PADS DIMENSIONS (BOTTOM VIEW) ............... 71 FIGURE 43: RECOMMENDED FOOTPRINT (TOP VIEW) ..............72 FIGURE 44: TOP VIEW OF THE MODULE ....................73 FIGURE 45: BOTTOM VIEW OF THE MODULE ..................73 FIGURE 46: LIQUIDS TEMPERATURE ....................

  • Page 10: Introduction

    UMTS/HSPA Module Series UC20 Hardware Design Introduction This document defines the UC20 module and describes its hardware interface which are connected with your application and the air interface. This document can help you quickly understand module interface specifications, electrical and mechanical details.

  • Page 11: Safety Information

    If not so, Quectel does not take on any liability for customer failure to comply with these precautions.

  • Page 12: Product Concept

      With a tiny profile of 32.0mm × 29.0mm × 2.5mm, UC20 can meet almost all requirements for M2M application such as automotive, metering, tracking system, security solutions, routers, wireless POS, mobile computing devices, PDA phone and tablet PC, etc..

  • Page 13: Fcc Statement

    20cm from the radio antenna of UC20 module depending on the Mobile status. Note: If a portable device (such as PDA) uses UC20 module, the device needs to do permissive change and SAR testing. The following list of antenna is indicating the maximum permissible antenna gain.

  • Page 14: Table 2: Uc20 Key Features

    UMTS/HSPA Module Series UC20 Hardware Design Table 2: UC20 Key Features Feature Details Supply voltage: 3.4V~4.3V Power Supply Typical supply voltage: 3.8V UC20-A: UMTS850/1900 Frequency Bands HSPA R6: Max 14.4Mbps (DL)/Max 5.76Mbps (UL) UMTS R99: Max 384kbps (DL)/Max 384kbps (UL) Transmission Data CSD: 14.4kbps...
  • Page 15 Rx-diversity Support UMTS Rx-diversity Gen8 of Qualcomm GNSS engine (GPS and GLONASS) GNSS Features Protocol: NMEA 0183 Compliant with 3GPP TS 27.007, 27.005 and Quectel enhanced AT AT Commands commands. Real Time Clock Implemented Two pins including NET_MODE and NET_STATUS to indicate Network Indication network connectivity status.

  • Page 16: Functional Diagram

    UMTS/HSPA Module Series UC20 Hardware Design 2.4. Functional Diagram The following figure shows a block diagram of UC20 and illustrates the major functional parts.  Power management  Baseband  DDR+NAND flash  Radio frequency  Peripheral interface --UART interface...

  • Page 17: Evaluation Board

    Figure 1: Functional Diagram 2.5. Evaluation Board In order to help you to develop applications with UC20, Quectel supplies an evaluation board (EVB), RS-232 to USB cable, USB data cable, power adapter, earphone, antenna and other peripherals to control or test the module. For details, please refer to document [2].

  • Page 18: Application Interface

    Application Interface 3.1. General Description UC20 is equipped with a 72-pin 1.3mm pitch SMT pads plus 40-pin ground pads and reserved pads that connect to cellular application platform. Sub-interfaces included in these pads are described in detail in the following chapters: ...

  • Page 19: Pin Assignment

    UMTS/HSPA Module Series UC20 Hardware Design 3.2. Pin Assignment The following figure shows the pin assignment of the UC20 module. WAKEUP_IN AP_READY SLEEP_IND W_DISABLE# NET_MODE NET_STATUS ANT_MAIN VDD_EXT ANT_GNSS USIM_GND ADC0 DBG_RXD ADC1 DBG_TXD RESERVED USIM_PRESENCE I2C_SDA USIM_VDD I2C_SCL USIM_DATA...

  • Page 20: Pin Description

    UMTS/HSPA Module Series UC20 Hardware Design 3.3. Pin Description The following tables show the UC20’s pin definition. Table 3: IO Parameters Definition Type Description Bidirectional input/output Digital input Digital output Power input Power output Analog input Analog output Open drain...
  • Page 21 UMTS/HSPA Module Series UC20 Hardware Design Power supply for Provide 1.8V for Vnorm = 1.8V VDD_EXT external GPIO’s pull up external circuit. max = 20mA circuits. Power supply for Provide 2.85V for Vnorm = 2.85V external GNSS LNA, VDD_2V85 external circuit.
  • Page 22 UMTS/HSPA Module Series UC20 Hardware Design Vmax = 5.25V USB_VBUS USB detection. Vmin = 3.0V Vnorm = 5.0V Compliant with USB USB differential data Require differential USB_DP 2.0 standard bus. impedance of 90Ω. specification. Compliant with USB USB differential data...
  • Page 23 UMTS/HSPA Module Series UC20 Hardware Design For 1.8V USIM: max = 0.22V min = 1.44V Reset signal of USIM_RST USIM card. For 3.0V USIM: max = 0.36V min = 2.4V min = -0.3V USIM_PRE USIM card insertion max = 0.6V 1.8V power domain.
  • Page 24 UMTS/HSPA Module Series UC20 Hardware Design min = -0.3V max = 0.6V Receive data. 1.8V power domain. min = 1.2V max = 2.0V Debug UART Interface Pin Name Pin No. Description DC Characteristics Comment max = 0.45V DBG_TXD Transmit data.
  • Page 25 UMTS/HSPA Module Series UC20 Hardware Design Reserved for analog If unused, connect AGND Ground. ground. this pin to ground. I2C Interface Pin Name Pin No. Description DC Characteristics Comment External pull-up I2C_SCL I2C serial clock. resistor is required. 1.8V only.

  • Page 26: Operating Modes

    Operating voltage (connected to VBAT_RF and VBAT_BB) remains applied. 3.5. Power Saving 3.5.1. Sleep Mode UC20 is able to reduce its current consumption to a minimum value during the sleep mode. The following section describes UC20’s power saving procedure. UC20_Hardware_Design Confidential / Released...

  • Page 27: Uart Application

    UMTS/HSPA Module Series UC20 Hardware Design 3.5.1.1. UART Application If application processor communicates with module via UART interface, the following preconditions can let the module enter into the sleep mode.  Execute AT command AT+QSCLK=1 to enable the sleep mode.

  • Page 28: Usb Application Without Suspend Function

    UMTS/HSPA Module Series UC20 Hardware Design Processor Module USB_VBUS USB_DP USB_DP USB_DM USB_DM GPIO AP_READY EINT Figure 4: USB Application with Suspend Function When the processor’s USB bus returns to resume state, the module will be woken up. 3.5.1.3. USB Application without Suspend Function...

  • Page 29: Airplane Mode

    UMTS/HSPA Module Series UC20 Hardware Design Module Processor GPIO Power USB_VBUS Switch USB_DP USB_DP USB_DM USB_DM EINT GPIO AP_READY Figure 5: USB Sleep Application without Suspend Function Supply power to USB_VBUS will wake up the module. In sleep mode, module can still receive paging, voice call and SMS from network, but the UART port is not accessible.

  • Page 30: Power Supply

    ESR. Three ceramic capacitors (100nF, 33pF, 10pF) are recommended to be applied to the VBAT pins. The capacitors should be placed close to the UC20’s VBAT pins. The following figure shows star structure of the power supply.

  • Page 31: Reference Design For Power Supply

    UMTS/HSPA Module Series UC20 Hardware Design VBAT VBAT_RF VBAT_BB 100nF 33pF 10pF 100uF 100nF 33pF 10pF 100uF 5.1V Module Figure 6: Star Structure of the Power Supply Please pay special attention to the power supply design for applications. Make sure the input voltage will never drop below 3.4V.

  • Page 32: Monitor The Power Supply

    = 500mV When UC20 is in power down mode, it can be turned on to normal mode by driving the PWRKEY pin to a low level at least 100ms. It is recommended to use an open drain/collector driver to control the PWRKEY.

  • Page 33: Figure 9: Turn On The Module Using Keystroke

    UMTS/HSPA Module Series UC20 Hardware Design PWRKEY Close to S1 Figure 9: Turn on the Module Using Keystroke The turn on scenarios is illustrated as the following figure. UC20_Hardware_Design Confidential / Released 32 / 84...

  • Page 34: Turn Off Module

    UMTS/HSPA Module Series UC20 Hardware Design VBAT ≥ 100ms ≥ 1.3V PWRKEY ≤ 0.5V RESET_N 1.3 ~ 1.9s STATUS (OD) ≥ 5s Inactive UART Active ≥ 5s Inactive Active Figure 10: Timing of Turning on Module NOTES Make sure that VBAT is stable before pulling down PWRKEY pin. The time between them is recommended 30ms.

  • Page 35: Turn Off Module Using At Command

    UMTS/HSPA Module Series UC20 Hardware Design VBAT ≥ 0.6s Log off network about 1s to 60s PWRKEY STATUS (OD) Module Power-down procedure RUNNING Status Figure 11: Timing of Turning off Module During power-down procedure, module will send out URC “NORMAL POWER DOWN” via URC port first, then log off network and save important data.

  • Page 36: Reset The Module

    UMTS/HSPA Module Series UC20 Hardware Design The uncritical voltage is 3.4V to 4.3V, If the voltage > 4.3V or < 3.4V the module would automatically shut down itself. If the voltage < 3.4V, the following URC will be presented: +QIND: “vbatt”,-2 If the voltage >...

  • Page 37: Figure 12: Reference Circuit Of Reset_N By Using Driving Circuit

    UMTS/HSPA Module Series UC20 Hardware Design RESET_N ≥ 150ms 4.7K Reset pulse Figure 12: Reference Circuit of RESET_N by Using Driving Circuit RESET_N Close to S2 Figure 13: Reference Circuit of RESET_N by Using Button The reset scenario is illustrated as the following figure.

  • Page 38: Rtc Backup

    UMTS/HSPA Module Series UC20 Hardware Design NOTE Use the RESET_N only when turning off the module by the command AT+QPOWD and the PWRKEY pin failed. 3.9. RTC Backup The RTC (Real Time Clock) can be powered by an external power source through the pin VRTC when the module is powered down and there is no power supply for the VBAT.

  • Page 39: Uart Interface

    UMTS/HSPA Module Series UC20 Hardware Design VRTC Core Large Capacitance Capacitor Module Figure 17: RTC Supply from Capacitor 3.10. UART Interface The module provides two UART interfaces: main UART interface and debug UART interface. The following shows the different features.

  • Page 40: Table 10: Pin Definition Of The Debug Uart Interface

    0.45 1.35 UC20 provides 1.8V UART interface. A level translator should be used if your application is equipped with a 3.3V UART interface. A level translator TXB0108PWR provided by Texas Instruments is recommended. The following figure shows the reference design of the TXB0108PWR.

  • Page 41: Figure 18: Reference Circuit With Translator Chip

    Figure 19: Reference Circuit with Transistor Circuit The following figure is an example of connection between UC20 and PC. A voltage level translator and a RS-232 level translator chip must be inserted between module and PC, since these two UART interfaces do not support the RS-232 level, while support the 1.8V CMOS level only.

  • Page 42: Figure 20: Rs232 Level Match Circuit

    UMTS/HSPA Module Series UC20 Hardware Design 3.3V VDD_EXT VCCA VCCB DCD_1.8V DCD_3.3V DIN1 DOUT1 TXD_1.8V TXD_3.3V DIN2 DOUT2 CTS_1.8V CTS_3.3V DIN3 DOUT3 DIN4 DOUT4 RI_1.8V RI_3.3V DIN5 DOUT5 R1OUTB RXD_1.8V RXD_3.3V ROUT1 RIN1 ROUT2 DTR_1.8V DTR_3.3V RIN2 ROUT3 RTS_1.8V RTS_3.3V...

  • Page 43: Usim Card Interface

    UMTS/HSPA Module Series UC20 Hardware Design 3.11. USIM Card Interface 3.11.1. USIM Card Application The USIM card interface circuitry meets ETSI and IMT-2000 SIM interface requirements. Both 1.8V and 3.0V USIM cards are supported. Table 12: Pin Definition of the USIM Interface Pin Name Pin No.

  • Page 44: Figure 23: Reference Circuit Of The 6 Pin Usim Card

    Some AT commands are invalid when USIM card is not applied. UC20 supports USIM card hot-plugging via the USIM_PRESENCE pin. For details, refer to document [1] about the command AT+QSIMDET. If you do not need the USIM card detection function, keep USIM_PRESENCE unconnected.

  • Page 45: Design Considerations For Usim Connector

    UMTS/HSPA Module Series UC20 Hardware Design 3.11.2. Design Considerations for USIM Connector For 8-pin USIM connector, it is recommended to use Molex 91228. Please visit http://www.molex.com for more information. Figure 24: Molex 91228 USIM Connector Table 13: Pin Description of Molex USIM Connector...

  • Page 46: Table 14: Pin Description Of Amphenol Usim Connector

    UMTS/HSPA Module Series UC20 Hardware Design For 6-pin USIM connector, it is recommended to use Amphenol C707 10M006 512 2. Please visit http://www.amphenol.com for more information. Figure 25: Amphenol C707 10M006 512 2 USIM Card Connector Table 14: Pin Description of Amphenol USIM Connector...

  • Page 47: Usb Interface

    UC20 Hardware Design 3.12. USB Interface UC20 contains one integrated Universal Serial Bus (USB) transceiver which complies with the USB 2.0 specification and supports high speed (480 Mbps), full speed (12 Mbps) and low speed (1.5 Mbps) mode. The USB interface is primarily used for AT command, data transmission, GNSS NMEA sentences output, software debug and firmware upgrade.

  • Page 48: Pcm And I2C Interface

    PWRKEY Figure 27: Test Points of Firmware Upgrade 3.13. PCM and I2C Interface UC20 provides one Pulse Code Modulation (PCM) digital interface for audio design, which supports the following modes:  Primary mode (short sync, works as both master and slave) ...

  • Page 49: Figure 28: Primary Mode Timing

    128kHz PCM_CLK and an 8kHz, 50% duty cycle PCM_SYNC only. UC20 supports 8-bit A-law and μ-law, and also 16-bit linear data formats. The following figures show the primary mode’s timing relationship with 8kHz PCM_SYNC and 2048kHz PCM_CLK and auxiliary mode’s timing relationship with 8kHz PCM_SYNC and 128kHz PCM_CLK.

  • Page 50: Table 16: Pin Definition Of Pcm And I2C Interface

    Clock and mode can be configured by AT command, and the default configuration is master mode using short sync data format with 2048kHz PCM_CLK and 8kHz PCM_SYNC. In addition, UC20’s firmware has integrated the configuration on NAU8814 application with I2C interface. Refer to document [1] about the command AT+QDAI for details.

  • Page 51: Adc Function

    It is recommended to reserved RC (R=22Ω, C=22pF) circuit on the PCM lines, especially for PCM_CLK. UC20 work as a master device pertaining to I2C interface. 3.14. ADC Function The module provides two analog-to-digital converters (ADC) to digitize the analog signal to 15-bit digital data such as battery voltage, temperature and so on.

  • Page 52: Network Status Indication

    UMTS/HSPA Module Series UC20 Hardware Design The following table describes the characteristic of the ADC function. Table 18: Characteristic of the ADC Parameter Min. Typ. Max. Unit ADC0 voltage range ADC1 voltage range ADC resolution bits Offset error Gain error 3.15.

  • Page 53: Operating Status Indication

    UMTS/HSPA Module Series UC20 Hardware Design A reference circuit is shown in the following figure. VBAT Module 2.2K 4.7K Network Indicator Figure 31: Reference Circuit of the Network Indicator 3.16. Operating Status Indication 3.16.1. STATUS The STATUS pin is an open drain output for indicating the module operation status. You can connect it to a GPIO of DTE with pulled up, or as LED indication circuit as below.

  • Page 54: Sleep_Ind

    UMTS/HSPA Module Series UC20 Hardware Design VBAT VDD_MCU 2.2K STATUS MCU_GPIO STATUS Module Module Figure 32: Reference Circuit of the STATUS 3.16.2. SLEEP_IND The SLEEP_IND is an indicated pin for judging whether the module is in sleep mode or not. When the module enters into the sleep mode, the SLEEP_IND will output a logic high level.

  • Page 55: Behavior Of The Ri

    UMTS/HSPA Module Series UC20 Hardware Design A reference circuit is shown in the following figure. VBAT Module 2.2K 4.7K SLEEP_IND Figure 33: Reference Circuit of the SLEEP_IND 3.17. Behavior of the RI You can use command AT+QCFG=“risignaltype”, “physical” to configure RI behavior: No matter which port URC is presented on, URC will trigger the behavior on RI pin.

  • Page 56: Gnss Receiver

    UC20 supports standard NMEA-0183 protocol, and outputs NMEA sentences with 1Hz via USB interface by default. By default, UC20 GNSS engine is switched off, it has to be switched on with AT command. For more details about GNSS engine technology and configurations, refer to document [7].

  • Page 57: Gnss Performance

    UMTS/HSPA Module Series UC20 Hardware Design 4.2. GNSS Performance The following table shows UC20 GNSS performance. Table 24: GNSS Performance Parameter Description Conditions Typ. Unit Autonomous -144 Cold start With LNA -147 Autonomous -154 Sensitivity Reacquisition (GNSS) With LNA -159...

  • Page 58: Layout Guideline

    UMTS/HSPA Module Series UC20 Hardware Design 4.3. Layout Guideline The following layout guideline should be taken into account in your design.  Maximize the distance between the GNSS antenna and the main UMTS antenna.  Noisy digital circuits such as the USIM card, USB interface, Camera module, Display connector and SD card should be away from the antenna.

  • Page 59: Antenna Interface

    UMTS/HSPA Module Series UC20 Hardware Design Antenna Interface UC20 antenna interface includes a main UMTS antenna, an optional UMTS Rx-diversity antenna, which is used to improve UMTS’s receiving performance, and a GNSS antenna. The antenna interface has an impedance of 50Ω.

  • Page 60: Gnss Antenna Interface

    UMTS/HSPA Module Series UC20 Hardware Design Main antenna ANT_MAIN Diversity antenna ANT_DIV Module Figure 34: Reference Circuit of Antenna Interface NOTE Keep a proper distance between main antenna and diversity antenna to improve the receiving sensitivity. 5.2. GNSS Antenna Interface The following tables show the GNSS antenna pin definition and frequency specification.

  • Page 61: Reference Design For Passive Antenna

    UMTS/HSPA Module Series UC20 Hardware Design active antenna. Table 28: GNSS Frequency Type Frequency Unit 1575.42± 1.023 GLONASS 1597.5~1605.8 5.2.1. Reference Design for Passive Antenna Passive 56pF RFOUT ANT_GNSS antenna MCU_GPIO /SHDN 100pF 6.8nH RFIN VDD_2V85 MAX2659 Module 220nF 33pF...

  • Page 62: Reference Design For Active Antenna

    UMTS/HSPA Module Series UC20 Hardware Design 5.2.2. Reference Design for Active Antenna Active 0.1uF antenna 47nH 100pF ANT_GNSS Module Figure 36: Reference Circuit of GNSS Active Antenna NOTES You can choose the corresponding reference circuit above according to your demands on antenna circuit design.

  • Page 63: Install The Antenna With Rf Connector

    UMTS/HSPA Module Series UC20 Hardware Design Table 29: Antenna Requirements Type Requirements Frequency range: 1565~1607 MHz Polarization: RHCP or linear VSWR: < 2 (Typ.) Passive antenna gain: > 0dBi GNSS Active antenna noise figure: < 1.5dB Active antenna gain: > -2dBi Active antenna embedded LNA gain: 20dB (Typ.)

  • Page 64: Figure 38: Mechanicals Of Uf.l-Lp Connectors

    UMTS/HSPA Module Series UC20 Hardware Design Figure 38: Mechanicals of UF.L-LP Connectors The following figure describes the space factor of mated connector Figure 39: Space Factor of Mated Connector (Unit: mm) For more details, please visit http://www.hirose.com. UC20_Hardware_Design Confidential / Released...

  • Page 65: Electrical, Reliability And Radio Characteristics

    UMTS/HSPA Module Series UC20 Hardware Design Electrical, Reliability Radio Characteristics 6.1. Absolute Maximum Ratings Absolute maximum ratings for power supply and voltage on digital and analog pins of module are listed in the following table: Table 30: Absolute Maximum Ratings Parameter Min.

  • Page 66: Power Supply Ratings

    UMTS/HSPA Module Series UC20 Hardware Design 6.2. Power Supply Ratings Table 31: The Module Power Supply Ratings Parameter Description Conditions Min. Typ. Max. Unit Voltage must stay within the VBAT_BB and VBAT min/max values, including voltage VBAT_RF drop, ripple and spikes.

  • Page 67: Table 33: The Module Current Consumption

    UMTS/HSPA Module Series UC20 Hardware Design Table 33: The Module Current Consumption Parameter Description Conditions Min. Typ. Max. Unit OFF state Power down supply current Sleep (USB disconnected) @ DRX=6 Sleep (USB disconnected) @ DRX=7 WCDMA supply Sleep (USB disconnected) @ DRX=8...

  • Page 68: Rf Output Power

    UMTS 1900 22.5dBm+1/-1dB <-50dBm UMTS 850 22.5dBm+1/-1dB <-50dBm 6.6. RF Receiving Sensitivity The following table shows the conducted RF receiving sensitivity of UC20 module. Table 35: Conducted RF Receiving Sensitivity Frequency Receive Sensitivity (Typ.) UMTS 1900 -110dBm UMTS 850 -110dBm 6.7.

  • Page 69: Table 36: Electrostatics Discharge Characteristics

    UMTS/HSPA Module Series UC20 Hardware Design Table 36: Electrostatics Discharge Characteristics Tested Points Contact Discharge Air Discharge Unit VBAT, GND ± 5 ± 10 All antenna interfaces ± 4 ± 8 Other interfaces ± 0.5 ± 1 UC20_Hardware_Design Confidential / Released...

  • Page 70: Mechanical Dimensions

    UC20 Hardware Design Mechanical Dimensions This chapter describes the mechanical dimensions of the module. All dimensions are measured in mm. 7.1. Mechanical Dimensions of the Module (32+/-0.15) Figure 40: UC20 Top and Side Dimensions UC20_Hardware_Design Confidential / Released 69 / 84...

  • Page 71: Figure 41: Uc20 Bottom Dimensions (Bottom View)

    UMTS/HSPA Module Series UC20 Hardware Design Figure 41: UC20 Bottom Dimensions (Bottom View) NOTE “XXXX” in pink on above figure is the PCB board code in the exposed copper. UC20_Hardware_Design Confidential / Released 70 / 84...

  • Page 72: Figure 42: Bottom Pads Dimensions (Bottom View)

    UMTS/HSPA Module Series UC20 Hardware Design Figure 42: Bottom Pads Dimensions (Bottom View) UC20_Hardware_Design Confidential / Released 71 / 84...

  • Page 73: Footprint Of Recommendation

    UMTS/HSPA Module Series UC20 Hardware Design 7.2. Footprint of Recommendation 22.1 3.45 6.45 Figure 43: Recommended Footprint (Top View) NOTES Keep out the area below the test point (circular area on the above figure) in the host PCB. In order to maintain the module, keep about 3mm between the module and other components in the host PCB.

  • Page 74: Top View Of The Module

    UMTS/HSPA Module Series UC20 Hardware Design 7.3. Top View of the Module Figure 44: Top View of the Module 7.4. Bottom View of the Module Figure 45: Bottom View of the Module UC20_Hardware_Design Confidential / Released 73 / 84...

  • Page 75: Storage And Manufacturing

    Storage and Manufacturing 8.1. Storage UC20 is stored in the vacuum-sealed bag. The restriction of storage condition is shown as below. Shelf life in sealed bag is 12 months at < 40º C / 90%RH. After this bag is opened, devices that will be subjected to reflow solder or other high temperature process must be: ...

  • Page 76: Packaging

    º C Time Figure 46: Liquids Temperature 8.3. Packaging UC20 is packaged in the tap and reel carriers. One reel is 11.53m length and contains 250pcs modules. The figure below shows the package details, measured in mm. UC20_Hardware_Design Confidential / Released...

  • Page 77: Figure 47: Carrier Tape

    UMTS/HSPA Module Series UC20 Hardware Design 44.00 ±0.1 0.35±0.05 2.00 ±0.1 ±0.1 4.00 32.5 ±0.15 ±0.15 ±0.15 33.5 ±0.15 32.5±0.15 33.5±0.15 48.5 Cover tape Direction of feed +0.20 44.5 -0.00 Figure 47: Carrier Tape UC20_Hardware_Design Confidential / Released 76 / 84...

  • Page 78: Appendix A Reference

    UC20_AT_Commands_Manual UC20 AT Commands Manual UC20_EVB_User_Guide UC20 EVB User Guide UC20_Reference_Design UC20 Reference Design UC20&M10_Reference_Design UC20 and M10 Compatible Reference Design UC20&M10_Compatibilty_Design UC20 and M10 Compatibility Design Specification Module_Secondary_SMT_User_Guide Module Secondary SMT User Guide UC20_GNSS_AT_Commands_Manual UC20 GNSS AT Commands Manual...
  • Page 79 UMTS/HSPA Module Series UC20 Hardware Design Data Communications Equipment (typically module) Data Terminal Equipment (typically computer, external controller) Data Terminal Ready Discontinuous Transmission Enhanced Full Rate Electrostatic Discharge Full Rate GLObalnaya NAvigatsionnaya Sputnikovaya Sistema, the Russian Global GLONASS Navigation Satellite System...
  • Page 80 UMTS/HSPA Module Series UC20 Hardware Design Printed Circuit Board Protocol Data Unit Point-to-Point Protocol Phase Shift Keying Quadrature Amplitude Modulation QPSK Quadrature Phase Shift Keying Radio Frequency RHCP Right Hand Circularly Polarized Root Mean Square (value) Real Time Clock Receive...
  • Page 81 UMTS/HSPA Module Series UC20 Hardware Design Minimum Input High Level Voltage Value Maximum Input Low Level Voltage Value Minimum Input Low Level Voltage Value Absolute Maximum Input Voltage Value Absolute Minimum Input Voltage Value Maximum Output High Level Voltage Value...
  • Page 82 UMTS/HSPA Module Series UC20 Hardware Design UC20_Hardware_Design Confidential / Released 81 / 84...
  • Page 83 UMTS/HSPA Module UC20 Hardware Design UC20_Hardware_Design Confidential / Released 82 / 84...

Table of Contents