NuWaves NUPOWER XTENDER VU4GX01 Bedienungsanleitung

USER MANUAL

NUPOWER XTENDER VU4GX01

BIDIRECTIONAL VHF/UHF AMPLIFIER

PART NUMBER:

NW-BA-VU-4-GX01

NuWaves Engineering

132 Edison Drive

Middletown, Ohio 45044

PH: 513-360-0800

FAX: 513-539-8782

www.nuwaves.com

product.sales@nuwaves.com

NuPower Xtender™ VU4GX01 User Manual

Rev 1.1

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™ VU4GX01 User Manual

Rev 1.1

2NUPOWER XTENDER VU4GX01 OVERVIEW

The NuPower Xtender™ VU4GX01 Bidirectional VHF/UHF Amplifier module is a small, lightweight, and

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

transceivers running high peak-to-average waveforms such as OFDM or LTE. The bidirectional amplifier

generates 4 watts of linear RF transmit power (-33 dBc ACPR) from 225 to 512 MHz in transmit mode

and the integrated low-noise amplifier provides 15 dB of gain in receive mode.

Based on the latest Gallium Nitride (GaN) technology, NuPower’s high-efficiency and 3.8 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.

Figure 1: NuPower Xtender VU4GX01 Functional Diagram

NuPower Xtender™ VU4GX01 User Manual

Rev 1.1

2.1 PRELIMINARY SPECIFICATIONS

The subsequent tables in this section outline the NuPower Xtender VU4GX01’s performance

specifications.

Table 1: NuPower Xtender VU4GX01 Electrical Specifications

Parameter

Specification

Frequency Range

225 to 512 MHz

RF Output Power, Linear

4 Watts @ -33 dBc ACPR (TBR)

RF Output Power, Psat

10 Watts

Transmit RF Gain

31 dB (typ)

Nominal Input Drive Level

+5 dBm

Maximum Input Drive Level

+30 dBm

Receive RF Gain

15 dB (min)

Receive Noise Figure

2.5 dB (typ)

T/R Mode

Manual T/R Line

T/R Switch Time

2 µS

Supply Voltage

28 VDC (+10 to +32 VDC in final product)

Transmit Current Consumption

1.1 A @ +28 VDC (typ) @ Pout = 4 W

1.6 A @ +28 VDC (typ) @ Pout = 1- W

Receive Current Consumption

100 mA @ +28 VDC (typ)

Table 2: NuPower Xtender VU4GX01 Environmental Specifications

Operating Conditions

Specification

Operating Temperature

(100% transmit duty cycle)

-40 to +85 oC (baseplate)

Storage Temperature

-55 to +85 oC

NuPower Xtender™ VU4GX01 User Manual

Rev 1.1

2.1.1 MECHANICAL SPECIFICATIONS

Figure 2: NuPower Xtender VU4GX01 Mechanical Outline

Table 3: NuPower Xtender VU4GX01 Mechanical Specifications

Parameter

Specification

RF Connectors

SMA (female)

Control / Power Interface Connector

15 Pin Micro-D (socket)

Dimensions (L x W x H)

2.34” x 2.34” x 0.7”

Weight

1.92 oz.

NuPower Xtender™ VU4GX01 User Manual

Rev 1.1

2.2 AS9100:2016 REV D AND ISO 9001:2015 CERTIFIED HEAT SINKING

The NuPower Xtender VU4GX01 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™ VU4GX01 User Manual

Rev 1.1

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 VU4GX01, 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

+28 VDC with greater than 2 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 (225 to 512 MHz).

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 VU4GX01 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™ VU4GX01 User Manual

Rev 1.1

4HARDWARE INTERFACE

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

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

•The pin-out definitions for the 15 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 VU4GX01 features a 15 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

3, 4, 5, 6, 12, 13

V Supply

Primary Power (+28 VDC)

1, 7, 8, 10, 11, 14, 15

GND

Signal and Power Ground

Temp

Over Temperature Flag

TR_EN

Transmit / Receive Enable

The standard interface cable harness is comprised of 15 wires, includes a Micro-D connector with pins,

and mates directly to the NuPower Xtender interface connector.

4.2 DC POWER

The nominal supply voltage for the NuPower Xtender VU4GX01 is +28 VDC.

4.3 GROUND

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

NuPower Xtender™ VU4GX01 User Manual

Rev 1.1

4.4 OVER TEMPERATURE FLAG

This signal is an output to indicate an over-temperature condition in the NuPower Xtender VU4GX01. A

logic high (+5 VDC) indicates normal operation, while a logic low (0 VDC) indicates an over-temperature

condition. The NuPower 13G05A incorporates internal logic circuitry that turns off the DC bias to the RF

transistors.

Caution: The amplifier should be shut down and allowed to cool off when the over-

temperature flag is set low to avoid damage to the module.

4.5 TRANSMIT/RECEIVE (T/R) ENABLE

The Xtender transmit and receive switching is a manual control function. Applying a logic low (0 V or

GND) to the T/R line places the VU4GX01 in transmit mode. Likewise applying either a logic high (+5 V)

to the T/R line, or leaving it float (NC), places the VU4GX01 in receive mode.

NuPower Xtender™ VU4GX01 User Manual

Rev 1.1

5PRODUCT DISPOSAL – END-OF-LIFE

Safety is a guiding principle of NuWaves RF Solutions. We ensure safe production and operation of our

products, as well as end-of-life disposal. Improper disposal can adversely affect the environment,

wildlife and human health. Please follow these guidelines when disposing of a NuWaves product:

•Do not remove the cover or any hardware

•Do not remove components from the circuit card assembly

•Do not incinerate

•Do not crush or shred

•Do not dispose of as unsorted municipal waste

•Do not export e-waste outside of the original destination country for recycling

•Utilize an e-Steward or ISO14001 certified e-waste recycler

•Consider export controls during recycler selection

•If a NuWaves product is incorporated into a larger system or sub-system, ensure that these

guidelines are followed at system end-of-life

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