USER MANUAL NUPOWER TM MINI MULTI
Contents
1. e Connecting to a load capable of dissipating the RF power from the PA module Loads capable of handling 20 Watts min are recommended 3 3 POWERING UP THE MINI MOPA The NuPower Mini MOPA must be terminated to a proper load before power is applied Refer to Section 3 2 for the specifications of the proper load After the PA is properly terminated the interface cable can be connected to the unit and power can be applied The PA is now ready for operation 3 4 TRANSMIT TURN ON TIME Caution Do not apply transmit data until the PA module is at full power This will prevent loss of data at the beginning of a message The NuPower Mini MOPA is at full power approximately 500 uS after the RF Enable line goes low ground Therefore transmit data can be applied to the input after 500 uS without loss of data 3 5 RF OUTPUT POWER VS SUPPLY VOLTAGE Although the NuPower Mini MOPA was designed for 28 VDC operation the module is capable of providing suitable RF power output over a broad range of supply voltages 9 VDC to 32 VDC 3 6 POWER BACK OFF MODE The NuPower Mini MOPA is designed to allow the user to reduce or back off the output power in support of linear waveform operation or to trade off output power in exchange for lower power consumption The amount of power back off is assuming a 0 dBm drive level to the PA module Pins 7 amp 9 on the CTRL PWR interface connector are designated to allow such operation Table 5 depicts2. the pin configurations to achieve low medium and high back off settings where N C is an indication to leave the pin floating i e not connected since the pin is tied high internally and where GND means grounding the pin Due to the broadband nature of the unit the amount of attenuation is an approximation for each respective setting as shown in Table 5 dependant on operational frequency and other factors including unit to unit power variation Document A6027 1000 1201 Rev 1 2 6 NuWaves S oe NuPower Mini Multi Octave PA User Manual Engineering Table 5 Power Back off Settings Attenuation Settings Pin 7 Pin 9 Full power No attenuation N C N C 6 dB low GND GND 9 dB med GND N C 12 dB high N C GND 4 HARDWARE INTERFACE e The RF Input connector is SMA female e The RF Output connector is SMA female e The pin out definitions for the 9 pin Micro D socket connector are provided in Table 6 In a typical installation the PA module is mated to a host controller board via a cable harness The RF Out SMA connector is the antenna connection This connection should always be loaded into 50 Q otherwise the PA could be damaged 4 1 INTERFACE CABLE HARNESS The cable harness that connects the host controller to the 9 pin Micro D connector of the NuPower Mini MOPA is made up of 9 wires Table 6 NuPower Mini MOPA Interface Pin Out Definitions
3. condition in the NuPower Mini MOPA A logic high 5 VDC indicates normal operation while a logic low 0 VDC indicates an over temperature condition The NuPower Mini MOPA 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 high to avoid damage to the module Document A6027 1000 1201 Rev 1 2 8 NuWaves oe NuPower Mini Multi Octave PA User Manual Engineering 5 GETTING HELP APPLICATIONS ENGINEERING NuWaves Engineering offers technical support for basic configuration help and troubleshooting Monday through Friday 8 a m to 5 p m Eastern Time Technical Assistance and Application Engineering Mir Kevin Harrison 513 360 0800 Ext 313 FAX 513 539 8782 Email kevin harrison nuwaves com Sales Mir Bam Huon 513 360 0800 Ext 322 FAX 513 539 8782 Email bam huon nuwaves com NuWaves Home Page www nuwaves com Product Warranty http nuwaves com wp content uploads 2011 04 NuWaves Warranty Repair pdf 5 1 GENERAL INFORMATION Copyright 2006 2013 NuWaves Ltd All rights reserved The information contained in this user manual is copyright protected NuWaves reserves the right to make periodic modifications and product improvements to the NuPower product line and the associated documentation Document A6027 1000 1201 Rev 1 2 9
4. 5 4 8 VDC PWR GOOD SE Ue BIASI IAS ee BIAS2 YOE oW RF OUT 40dBm RF IN 225 MHz to 2600 MHz O OdBm EQUALIZER Gain 14dB Figure 1 NuPower Mini MOPA Functional Diagram 2 1 NUPOWER MINI MULTI OCTAVE PA SPECIFICATIONS The subsequent tables in this section outline the NuPower Mini MOPA s performance specifications Table 1 NuPower Mini MOPA Electrical Specifications Parameter Specification Frequency Range 225 MHz to 2 6 GHz RF Output Power 10 Watts typ 7 Watts min RF Gain 40 dB min 2 Harmonic lt 13 dBc Supply Voltage 11 to 32 VDC Current Consumption 1 4 A 28 VDC typ Nominal Input Drive Level 0 dBm Document A6027 1000 1201 Rev 1 2 2 NuWaves TM eee SSS NuPower Mini Multi Octave PA User Manual Engineering Maximum Input Drive Level 10 dBm No damage Power Amplifier Enable GND On Impedance 50 Q The NuPower Mini MOPA will provide 10 watts minimum RF output power across 225 MHz to 2 6 GHz with an input drive level of 3 dBm Table 2 NuPower Mini MOPA Environmental Specifications Operating Conditions Specification Operating Temperature for 30 to 55 C ambient Continuous Operation 30 to 60 C baseplate gt 5 minutes Operating Temperature for 20 30 to 60 C ambient Duty Cycle 30 to 65 C baseplate Storage Temperature 40 to 85 C Table 3 NuPower Mini MOPA Mean Time Between Failure M
5. Pin No Pin Name 1 0 Description 1 2 V Supply Primary Power 28 VDC 3 4 GND Signal and Power Ground 5 RF Enable Transmit Control 6 N C N A 7 Power Back off Power Back off mode see Table 5 8 Temp Flag 0 Over temp Indicator 9 Power Back off Power Back off mode see Table 5 Document A6027 1000 1201 Rev 1 2 7 NuWaves TM SS NuPower Mini Multi Octave PA User Manual Engineering Micro DB9 Socket Socket Socket Socket g 6 Figure 4 Micro D Socket Locations 4 2 DC POWER The nominal supply voltage for the NuPower Mini MOPA is 28 VDC however the amplifier module is able to support operation over a supply voltage range of 9 to 32 VDC 4 3 GROUND The signal and power grounds are tied together in the PA module 4 4 RF ENABLE This signal is the logic control input that designates whether the unit is in transmit or standby mode The RF Enable line is pulled high internally placing the PA module in standby mode If the pin is left floating i e not connected the unit will default to standby mode Grounding the pin i e a voltage below 0 2 VDC places the unit in transmit mode The user can either connect the RF Enable line to pins 3 amp 4 on the CTRL PWR interface connector or an open drain logic line capable of sinking 500 uA to place the unit in transmit mode 4 5 TEMP FLAG This signal is an output to indicate an over temperature
6. TBF Conditions Hours Ground Benign GB 126 690 Airborne Inhabited Cargo AIC 14 800 Airborne Inhabited Fighter AIF 10 650 Airborne Uninhabited Cargo AUC 8 400 Airborne Uninhabited Fighter AUF 5 800 ean Document A6027 1000 1201 Rev 1 2 3 NuWaves TM ana SS NuPower Mini Multi Octave PA User Manual Engineering 2 2 NUPOWER MINI MULTI OCTAVE PA MECHANICAL SPECIFICATIONS Figure 2 NuPower Mini MOPA Mechanical Outline Table 4 NuPower Mini MOPA Mechanical Specifications Parameter Specification RF Connectors SMA female Control Power Interface Connector 9 Pin Micro D socket Dimensions L x W x H 2 340 x 1 960 x 0 425 Weight 2 OZ Document A6027 1000 1201 Rev 1 2 4 NuWaves peo oe NuPower Mini Multi Octave PA User Manual Engineering 2 3 HEAT SINKING The NuPower Mini MOPA is offered as a stand alone module or with a kit which also includes a fan cooled heatsink with an AC DC adapter and an interface cable 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 Mini MOPA 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 pe
7. USER MANUAL NUPOWER MINI MULTI OCTAVE POWER AMPLIFIER PART NUMBER NW SSPA MINI 10W 0 225 2 6 NuWaves Engineering Trusted RF Solutions NuWaves Engineering 132 Edison Drive Middletown Ohio 45044 PH 513 360 0800 FAX 513 539 8782 WWwW nuwaves com product sales nuwaves com NuWaves SS NuPower Mini Multi Octave PA User Manual Engineering 1 NUPOWER PRODUCT LINE OVERVIEW The NuPower family of solid state RF power amplifier PA modules is designed to meet the demanding needs of the Aerospace amp Defense Industrial and Commercial markets Based on the latest gallium nitride GaN technology NuPower 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 PRODUCT LINE HIGHLIGHTS High Performance Unique combination of broadband coverage miniature form factors and high efficiency Enclosures The NuPower family of power amplifiers is housed in a silver nickel plated aluminum enclosure with mounting holes incorporated into the chassis Completely Characterized The NuPower family of solid state power 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 amp Over Voltage protection and regulator thermal shutdo
8. rmanent damage to the product and will void the product warranty The external heatsink thermal resistance requirements are e lt 0 35 C W for operation up to 40 C ambient e lt 0 20 C W for operation up to 55 C ambient 3 SETUP AND OPERATION This section provides specific details for proper operation of the NuPower Mini MOPA module Following these guidelines will prevent damage to the power amplifier or external equipment 3 1 POWER SUPPLY REQUIREMENTS To operate the NuPower Mini MOPA ensure that the power supply has adequate overhead to source the current demand of the RF power amplifier The power supply source must provide a typical voltage of 28 VDC with greater than 3 amps capability Document A602 7 1000 1201 Rev 1 2 5 NuWaves aa or NuPower Mini Multi Octave PA User Manual Engineering 3 2 CONNECTING A PROPER LOAD TO THE ANTENNA TERMINAL To prevent damage to the PA the antenna terminal must be terminated into a 50 Q load Examples of a proper load include e Directly connecting to an antenna specified for the frequency range 225 MHz to 2 6 GHz Connecting to an inappropriate antenna may result in damage to the PA module e Connecting to a proper antenna through a 50 Q transmission line or coaxial cable Avoid using damaged cables or corroded connectors while attaching the unit to an antenna e Terminating the antenna terminal into a 50 Q power attenuator with minimum 20 dB attenuation
9. wn 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 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 o Fan cooled heat sink with North American AC DC wall plug adapter o Labeled interface cable with banana jack plugs Document A6027 1000 1201 Rev 1 2 1 NuWaves oe NuPower Mini Multi Octave PA User Manual Engineering 2 NUPOWER MINI MULTI OCTAVE PA OVERVIEW The NuPower Mini Multi Octave Power Amplifier MOPA is a highly efficient miniature solid state power amplifier that provides over 10 watts typical of RF power across multiple octaves from high VHF through S band Based on the latest gallium nitride GaN technology NuPower Mini MOPA s power efficiency and 1 95 cubic inch form factor make it ideal for size weight and power constrained broadband RF telemetry and tactical communication systems The NuPower Mini MOPA s rugged chassis allows the system integrator to easily incorporate the unit into a platform operating in harsh environments with limited space such as small Unmanned Aircraft Systems UAS SCLK DIN 5 5 VDC REGULATOR ATTN EN LT1763
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