NuWaves NuPower Xtender 12B04A Manuale utente

USER MANUAL

NUPOWER XTENDER 12B04A

BIDIRECTIONAL L- &S-BAND AMPLIFIER

PART NUMBER:

NW-BA-12B04A

NuWaves Engineering

132 Edison Drive

Middletown, Ohio 45044

PH: 513-360-0800

FAX: 513-539-8782

www.nuwaves.com

[email protected]om

NuPower Xtender™ 12B04A User Manual

Rev 3.2

1NUPOWER XTENDER™ PRODUCT LINE OVERVIEW

The NuPower Xtender family of solid state bidirectional RF amplifier modules, or “T/R modules,” is

designed to meet the demanding needs of the Aerospace & Defense, Industrial, and Commercial

markets. Based on the latest Gallium Nitride (GaN) technology, NuPower Xtender’s power efficiency and

miniature form factor make it ideal for size, weight, and power-constrained broadband RF telemetry and

tactical communications systems.

1.1 NUPOWER XTENDER™ PRODUCT LINE HIGHLIGHTS

•High Performance: Unique combination of broadband coverage, miniature form factors, and

high efficiency.

•Enclosures: The NuPower Xtender family of bidirectional amplifiers is housed in a nickel-plated

aluminum enclosure with mounting holes incorporated into the chassis.

•Completely Characterized: The NuPower Xtender family of solid state bidirectional amplifiers

has been completely characterized over temperature, voltage, and frequency. These high-

performance modules offer significant value for the OEM user or the Systems Integrator.

•User Friendly: Reverse-voltage and over-voltage protection and regulator thermal shutdown

provide defenses against user interface issues.

•High Reliability: NuWaves’ selection of conservatively rated components provides high

reliability. Each NuPower is inspected to IPC-A-610 Class II quality standards. NuWaves’ Quality

Management System is AS9100:2016 Rev D and ISO 9001:2015 certified.

•Applications: Unmanned Aircraft Systems (UAS) •Unmanned Ground Vehicles (UGV) •

Unmanned Surface Vehicles (USV) •Broadband RF Telemetry •RF Communication Systems •

Software Defined Radios • Test Labs

•Available Options:

oFan-cooled heat sink with North American AC/DC wall plug adapter

oLabeled interface cable with banana jack plugs

NuPower Xtender™ 12B04A User Manual

Rev 3.2

2NUPOWER XTENDER 12B04A OVERVIEW

The NuPower Xtender™ 12B04A Bidirectional L- & S-Band Amplifier module is a small, lightweight, and

power-efficient bidirectional amplifier (BDA) ideal for extending the communication range of half-duplex

L- or S-band transceivers running constant-envelope or near-constant-envelope waveforms. The

bidirectional amplifier generates at least 7 watts of RF transmit power (10 watts typical) from 1000 to

2500 MHz in transmit mode and the integrated low-noise amplifier provides a minimum of 13 dB of gain

in receive mode.

Based on the latest Gallium Nitride (GaN) technology, NuPower’s high-efficiency and 6.9 in.3form factor

make it ideal for SWaP-constrained applications. In addition, NuPower’s broadband frequency coverage

supports operational flexibility.

NuPower Xtender bidirectional amplifiers are designed with ruggedized chassis for high-reliability in

harsh environments.

Transceiver

L- & S- Band Xtender

Bidirectional Amplifier

9-Pin

Micro-D

(socket)

SMA(M)

ESD

Protection

Amp 1 Amp 2 Amp 3

SMA(F)

J2(MMBX)

P2(MMBX)

RFSW6124

SW2

GND

Bi-directional CCA

SOPA Assembly

T/R

Micro-

Controller

Digital

Attenuator

ANT

T/R

Auto Sense

+ 11 V

+32V

SMA(M)

SMA(F)

TX Threshold/

DAC

LNA

+0 dBm to +10 dBm

Input Power

RSSI

T/R

Directional

Coupler

Gain = 15 dB

TX DRV

Amp

SPDT SPDT

SPDT

Data

CLK

RESETIN

Data+/RX

Data-/TX

T/R Source or T/R Sink

T/R

Voltage

Select

T/R

Direction

Select

T/R

T/R Path Selection

Level Shifting

T/R

Direction

Select

+5V

digital

V_dc select

(+3.3 or +5)

3.3 V

REG

1.8 V

REG

Filter

Switching

Regulator

5 V Reg

+ 5.5 V

Switcher

Switching

Regulator

+ 5 V

Switcher + 5V output

amp

+28V

Boost

+ 28 V

+5V RF

+ 3.3 V

+ 1.8 V

+ 5 V

Dig

3.3 V

Reg/5V

pass thru

V_dc Select

(3.3 or 5V)

Micro T/R

voltage

select

Figure 1: NuPower Xtender Functional Diagram

NuPower Xtender™ 12B04A User Manual

Rev 3.2

2.1 PRELIMINARY SPECIFICATIONS

The subsequent tables in this section outline the NuPower Xtender 12B04A’s performance

specifications.

Table 1: NuPower Xtender Electrical Specifications

Parameter Specification

Frequency Range 1000 to 2500 MHz

RF Output Power 7 Watts (min), 10 Watts (typ)

Transmit RF Gain 35 dB (typ)

Nominal Input Drive Level +5 dBm

Maximum Input Drive Level +10 dBm

Receive RF Gain 13 dB (min)

Receive Noise Figure 3.5 dB (typ)

T/R Mode Automatic Sensing or Manual T/R Line

T/R Switch Time 1.5 µS (max)

Supply Voltage +11 to +32 VDC

Transmit Current Consumption 2.2 A @ +28 VDC (typ)

2.6 A @ +28 VDC (max)

Receive Current Consumption 100 mA @ +28 VDC (typ)

Table 2: NuPower Xtender Environmental Specifications

Operating Conditions Specification

Operating Temperature

(100% transmit duty cycle) -30 to +60 oC (baseplate)

Storage Temperature -40 to +85 oC

NuPower Xtender™ 12B04A User Manual

Rev 3.2

2.1.1 MECHANICAL SPECIFICATIONS

Figure 2: NuPower Xtender Mechanical Outline

Table 3: NuPower Xtender Mechanical Specifications

Parameter Specification

RF Connectors SMA (female)

Control / Power Interface Connector 9 Pin Micro-D (socket)

Dimensions (L x W x H) 3.00” x 2.00” x 1.16”

Weight 5.8 oz.

NuPower Xtender™ 12B04A User Manual

Rev 3.2

2.2 HEAT SINKING

The NuPower Xtender is offered as a stand-alone module, or as part of a kit, which also includes a fan-

cooled heat sink with an AC/DC adapter and an interface cable with banana jack plug terminations. The

fan-cooled heat sink provides sufficient cooling for operating the NuPower Xtender at room

temperature (25 °C), however higher ambient temperatures may require additional heat-sinking to

maintain a baseplate temperature below 60 °C at 100% transmit duty cycle.

Figure 3: The NuPower PA Kit offers “out-of-the-box” operation for the user. The fan-cooled heatsink

with an AC/DC adapter is shown with an example PA (NuPower Xtender not shown).

Caution: The use of external heat-sinking is required especially for those applications

requiring high duty cycle operation (e.g. continuous wave) or for extended on-time testing.

Operation without a proper heat sink under these conditions will cause permanent damage

to the product and will void the product warranty.

NuPower Xtender™ 12B04A User Manual

Rev 3.2

3SETUP AND OPERATION

This section provides specific details for proper operation of the NuPower Xtender module. Following

these guidelines will prevent damage to the bidirectional amplifier or external equipment.

3.1 POWER SUPPLY REQUIREMENTS

To operate the NuPower Xtender, ensure that the power supply has adequate overhead to source the

current demand of the RF amplifier. The power supply source must provide a voltage of +11 to +32 VDC

with greater than 4 amps capability.

3.2 CONNECTING A PROPER LOAD TO THE ANTENNA TERMINAL

To prevent damage to the amplifier module, the antenna terminal must be terminated into a 50 Ωload.

Examples of a proper load include:

•Directly connecting to an antenna specified for the frequency range (1.0 to 2.5 GHz). Connecting

to an inappropriate antenna may result in damage to the amplifier module.

•Connecting to a proper antenna through a 50 Ωtransmission line or coaxial cable. Avoid using

damaged cables or corroded connectors while attaching the unit to an antenna.

•Terminating the antenna terminal into a 50 Ωpower attenuator with minimum 20 dB

attenuation.

•Connecting to a 50 Ωload capable of dissipating the RF power from the amplifier module. Loads

capable of handling 30 Watts (min) are recommended.

3.3 POWERING-UP THE NUPOWER XTENDER

The NuPower Xtender must be terminated into a proper load before power is applied. Refer to Section

3.2 for the specifications of the proper load. After the amplifier is properly terminated, the interface

cable can be connected to the unit and power can be applied. The amplifier is now ready for operation.

NuPower Xtender™ 12B04A User Manual

Rev 3.2

4HARDWARE INTERFACE

•The transceiver interface connector, “XCVR,” is SMA (female).

•The antenna connector, “ANT,” is SMA (female).

•The pin-out definitions for the 9 pin Micro-D socket connector, “CTRL/PWR,” are provided in

Table 4. In a typical installation, the amplifier module is mated to a host controller board via a

cable harness.

The ANT SMA connector is the antenna connection. This connection should always

be loaded into 50 Ω, otherwise the amplifier could be damaged.

4.1 INTERFACE CONNECTOR

The NuPower Xtender features a 9 pin Micro-D interface connector for control, power, and ground

connections.

Table 4: NuPower Xtender Interface Pin-Out Definitions

Socket No. Name I/0 Description

1, 2, 9 V Supply I Primary Power (+11 to +32 VDC)

3, 4, 5 GND I Signal and Power Ground

6 Data -/TX O RS-485 Data Transmit

7 Data +/RX I RS-485 Data Receive

8 T/R I/O Transmit/Receive (T/R)Source or

Sink

Figure 4: Micro-D Socket Locations

The standard interface cable harness is comprised of 9 wires, includes a Micro-D connector with pins,

and mates directly to the NuPower Xtender interface connector.

NuPower Xtender™ 12B04A User Manual

Rev 3.2

4.2 DC POWER

The nominal supply voltage for the NuPower Xtender is +28 VDC. The amplifier module is able to

support operation over a supply voltage range of +11 to +32 VDC with minimal performance

degradation.

4.3 GROUND

The signal and power grounds are tied together in the amplifier module.

4.4 RS-485 SERIAL COMMUNICATIONS

These signals are for the RS-485 serial communications with the NuPower Xtender. This interface is

described in Section 5.

4.5 TRANSMIT/RECEIVE (T/R) SOURCE OR SINK

The T/R Source or Sink line is configurable as either an output (source) or an input (sink). When the T/R

line is configured in source mode, the Xtender transmit and receive switching occurs automatically,

based on the T/R level setting and the transceiver’s transmit state. The Xtender sources a logic signal to

indicate the mode (transmit or receive) of the BDA. A logic high indicates the Xtender is in transmit

mode, while a logic low indicates the Xtender is in receive mode.

When the T/R line is configured in sink mode, the transmit and receive switching is under manual

control. Applying a logic high to the T/R line places the Xtender in transmit mode. Likewise, applying a

logic low to the T/R line places the Xtender in receive mode.

T/R line levels can be configured to +3.3 VDC or +5 VDC logic levels.

This I/O line is described in Section 5.

NuPower Xtender™ 12B04A User Manual

Rev 3.2

5SERIAL INTERFACE

The NuPower Xtender includes an RS-485 serial interface for adjusting linearization parameters via a

serial terminal program, such as Termite.

The serial port must be configured with the following attributes:

•Baud rate: 9600 bps

•Data bits: 8

•Stop bits: 1

•Parity: None

This section provides the user with the command syntax necessary to properly configure the

bidirectional amplifier module for use. All commands have the following attributes:

•A command consists of a string of characters, followed by a terminating Carriage Return

character, ¿(hex 0D).

•Command processing is not case sensitive.

•Spaces are always allowed and always ignored.

•After receiving and processing a command, the NuPower Xtender sends a Carriage Return

terminated string as a notification that the command was completed.

5.1 SERIAL COMMANDS

Serial commands are outlined in the table below.

Table 5: NuPower Xtender Serial Commands

5.1.1 Configuration Storage

The “CONSTO” command is used to store current Xtender settings to the EEPROM. If a value is changed

and the CONSTO command is not entered, the Xtender will return to the last stored setting upon unit

power cycling, and the changes will be lost.

The “CONDEF” command is used to return the Xtender to the factory default settings.

Command Function ICD Section

CONSTO Store settings to EEPROM 5.1.1

CONDEF Return unit to factory default values 5.1.1

TRLVLxxxx Set Transmit Threshold Control value 5.1.2

TRMODExSet T/R Mode 5.1.3

TRVOLTxSet T/R Voltage 5.1.3

STAT? Display Status 5.1.4

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