NAWC WOLF Radio Frequency Power Amplifier
Request for Information (RFI) Radio Frequency (RF) Power Amplifier Naval Air Warfare Center Aircraft Division Webster Outlying Field ___________________________________________________________________... Request for Information (RFI) Radio Frequency (RF) Power Amplifier Naval Air Warfare Center Aircraft Division Webster Outlying Field ______________________________________________________________________________ RFI Number: N68335-20-RFI-0054 Classification Code: 5996; Amplifier NAICS Code(s): 334220 - Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing REQUEST FOR INFORMATION PURSUANT TO FAR 15.201(e) - THIS IS A REQUEST FOR INFORMATION (RFI) ONLY. This RFI is issued solely for information and planning purposes – it does not constitute a Request for Proposal (RFP) or a promise to issue an RFP in the future. This request for information does not commit the Government to contract for any supply or service whatsoever. Further, the government is not at this time seeking proposals and will not accept unsolicited proposals. Responders are advised that the U.S. Government will not pay for any information or administrative costs incurred in response to this RFI; all costs associated with responding to this RFI will be solely at the interested party’s expense. Interested parties are responsible for adequately marking proprietary or competition sensitive information contained in their response. Proprietary information will be safeguarded in accordance with the applicable Government regulations. Failure to respond to this RFI does not preclude participation in any future associated RFP that may be issued. BACKGROUND/PURPOSE/TECHNICAL REQUIREMENTS The Naval Air Warfare Center (NAWC) Webster Outlying Field (WOLF) Division is soliciting information and comments from industry on its ability to provide a non-developmental, Commercial Off The Shelf (COTS), or modified COTS Radio Frequency (RF) Power Amplifier that can meet or closely meet specifications as described below. Scope This document defines the specification for an amplifier (referred to as the ‘amplifier’ in this document) to be used with Special Operations Forces (SOF) VHF/UHF radios and the Harris Corporation Next-Generation Handheld (NGHH), and Next-Generation Man-pack (NGMP) radios. Applicable Documents The following documents form a part of this specification to the extent specified herein. In the event of conflict between the documents referenced herein and the contents of this specification, the contents of this specification shall be considered a superseding requirement: 2.1 Military Standards MIL-STD-130N Identification Marking of U.S. Military Property MIL-STD-461F Requirements for the Control of Electromagnetic Interference Characteristics of Subsystems and Equipment, 10 December 2007 MIL-STD-464C Electromagnetic Environmental Effects Requirements for Systems, 1 December 2010 MIL-STD-810G Environmental Engineering Considerations and Laboratory Tests, 31 October 2008 MIL-STD-1275E Characteristics of 28 Volt DC Input Power to Utilization Equipment in Military Vehicles, 22 March 2013 2.2 Military Handbooks MIL-HDBK-217 Reliability Prediction of Electronic Equipment MIL-HDBK-454B General Guidelines for Electronic Equipment, 15 April 2007 MIL-HDBK-472 Maintainability Prediction MIL-HDBK-781A Reliability Test Methods, Plans and Environments for Engineering Development, Qualification, and Production, 01 April 1996 Specifications Performance Requirements All requirements in this document are Threshold unless otherwise noted as Objective. 3.1.1 General At a minimum, the amplifier shall be interoperable with the following hand-held (HH) and man-pack (MP) radios: AN/PRC-148 MBITR AN/PRC-148 JEM AN/PRC-152 AN/PRC-152A AN/PRC-163, Harris Corporation next generation HH (NGHH) AN/PRC-117G (RT-1949 (P)(C)) AN/PRC-167, Harris Corporation next generation MP (NGMP) 3.1.2 MUOS Configuration The amplifier, as a system, shall provide a single RF interface to the radio and a single RF interface to the antenna when operating in MUOS. Any diplexer(s) required may be internal or external to the amplifier. The amplifier shall support MUOS A at a minimum. If the amplifier does not support MUOS B as delivered, the amplifier shall be field-upgradable to MUOS B. 3.1.3 Number of Channels The amplifier can be single channel or dual channel. Unless otherwise noted, all requirements of Section 3 of this document applies to both the single channel and dual channel amplifier. If dual channel, each channel shall meet the requirements of Section 3 of this document while operating independently and simultaneously, with the exception that only one channel is required to support MUOS. 3.1.4 DC Power The amplifier shall meet all specifications while operating on vehicle power in accordance with the requirements in MIL-STD-1275E. The amplifier shall include protection from polarity reversal. The amplifier shall include a current limiting circuit to protect against overcurrent. Describe impacts (if any) when operating with 12 VDC (nominal) power. If the amplifier shuts down due to an out-of-range power condition, the amplifier shall operate in bypass mode. 3.1.5 Receive Performance 3.1.5.1 Receive SATCOM Path Gain with LNA Active The gain of the amplifier’s SATCOM receive path shall be greater than 10 dB over the frequency ranges listed below: Legacy TACSAT 240-270 MHz MUOS A 360-380 MHz MUOS B 340-360 MHz 3.5.1.2 Receive SATCOM Path Co-site Filtering The amplifier’s SATCOM receive path shall provide co-site filtering / attenuation of at least 30 dB over the frequency ranges listed below: Legacy TACSAT 30 – 210 MHz band 300 – 2600 MHz band MUOS A 30 – 330 MHz band 410 – 2600 MHz band MUOS B 30 – 310 MHz band 390 – 2600 MHz band 3.1.5.3 Receive SATCOM Path Noise Figure with LNA Active The amplifier shall have a noise figure of less than 3.0 dB when operating in the following SATCOM receive frequencies: Legacy TACSAT 240-270 MHz MUOS A 360-380 MHz MUOS B 340-360 MHz 3.1.5.4 Receive SATCOM Path Maximum Signal The amplifier’s SATCOM receive path shall provide full RF performance per this specification with input signals of -10 dBm and below. The amplifier’s SATCOM receive path shall contain a limiter to provide protection from signals up to and including 20 watts. 3.1.5.5 Receive SATCOM Path Third Order Intercept Point (IP3) The amplifier’s SATCOM receive path shall have an input IP3 of not less than +10 dBm. 3.1.5.6 Receive Path Voltage Standing Wave Ratio (VSWR) Stability The amplifier’s SATCOM antenna port(s) and LOS antenna port(s) shall be unconditionally stable over the VSWR range up and including to 4.0:1. 3.1.5.7 Receive Path Insertion Loss In bypass mode, the amplifier’s receive path insertion loss shall be less than 1.5 dB. 3.1.5.8 Receive Mode or Transmit Blanking Mode Antenna Port Radiation During receive mode or transmit blanking mode, the maximum signal level emitted by any antenna port of the amplifier shall be -90 dBm or less. Receive-to-Transmit / Transmit-to-Receive Switching Time The amplifier’s receive (RX) to transmit (TX) and TX to RX switching times shall be 50 µs or less for both SATCOM and LOS operation. RX to TX switching time is defined as the time required for the amplifier to switch from RX mode to TX mode after the TX switching threshold is detected and when the output power reaches 90% of full power. TX to RX switching time is defined as the time required for the amplifier to switch from TX mode to RX mode after the TX switching threshold is removed and when the output power reaches -90 dBm. TX Switching Threshold The amplifier shall switch from receive to transmit mode when an input signal level of +30 dBm (+3/-0 dB) is applied to the amplifier’s radio port. Transmitter Performance 3.1.8.1 LOS Transmitter Output Power When supplied with an input power of 1 to 8 Watts, the amplifier shall supply a minimum of +46.5 dBm output power into 50 ohms nominal for constant envelope modulation for the following frequency bands: From 30 MHz to 512 MHz From 1300 MHz to 2600 MHz (vendor can explain any breaks in this frequency range, if required) When supplied with an input power of 1 to 8 Watts, the amplifier shall supply a minimum of +46.5 dBm output power into 50 ohms nominal for amplitude modulation for the following frequency bands: From 30 MHz to 512 MHz From 1300 MHz to 2600 MHz (vendor can explain any breaks in this frequency range, if required) The amplifier shall provide an option to operate in bypass mode for frequencies between 512 MHz and 1300 MHz. 3.1.8.2 VHF LOS Transmit Output Power Flatness The amplifier transmit output power shall be maintained between (+3,-3dB) from nominal power level (at VSWR 1:1), over output VSWR ranging from 1 to 3.5 at the antenna port, in the 30-89.975 MHz frequency range. 3.1.8.3 UHF / L / S LOS Transmit Output Power Flatness The amplifier transmit output power shall be maintained between (+3,-3dB) from nominal power level (at VSWR 1:1), over output VSWR ranging from 1 to 2.7 at the antenna port, in the 90-512 MHz and 1300-2600 MHz frequency range. 3.1.8.4 UHF SATCOM / MUOS Transmit Output Power When supplied with an input power of 1 to 8 Watts, the amplifier shall provide the following capabilities while in SATCOM mode: Legacy TACSAT Provide for adjustable output power from the maximum output power of at least +46.5 dBm down to 40 dBm output power with step size of < 2 dB MUOS A & B Power adjustment to be interoperable with MUOS 3.1.8.5 UHF SATCOM / MUOS Transmit Output Power Flatness The variation in output power shall be less than 1.5dB (max to min) across the SATCOM transmit band of: Legacy TACSAT 291-318.3 MHz MUOS A 300-320 MHz MUOS B 280-300 MHz Within each of these SATCOM bands, the amplifier’s forward power shall be maintained between (+1,-1dB) from nominal power level (at VSWR 1:1), over output VSWR ranging from 1 to 2.0 at the antenna port. 3.1.8.6 Transmit Time – Continuous The amplifier shall be capable of continuous transmit at full power in the 30-512 MHz and 1300-2600 MHz frequency range at 60°C ambient temperature with no direct sun exposure for: Threshold: At least 1 minute transmit and 1 minute receive Objective: At least 30 minutes transmit and 1 minute receive 3.1.8.7 Transmit Harmonics The amplifier transmit harmonics shall be attenuated by -60 dBc minimum for 2nd and 3rd harmonic and -80 dBc minimum for the 4th and higher harmonics with respect to the fundamental frequency. 3.1.8.8 Transmit VSWR Performance The amplifier shall not be damaged by continuous transmit at full power in the 30-512 MHz and 1300-2600 MHz frequency range into any VSWR including open or short for an up to 1 hour. 3.1.8.9 Supported Waveforms At a minimum, the amplifier shall amplify the following waveforms: LOS FM LOS AM LOS SINCGARS Frequency Hopping 30-88 MHz LOS HAVEQUICK II UHF AM/FM/PSK SRW - all frequencies up to 2600 MHz ANW2C – all frequencies up to 2600 MHz TSM, TSM-X v6.1 - all frequencies up to 2600 MHz SATURN ASCM SATCOM - all military waveforms for Dedicated, DAMA, IW, and MUOS All other waveforms, if not supported, amplifier shall operate in bypass mode. Electromagnetic Compatibility The amplifier shall meet the following Electromagnetic Compatibility requirements of MIL-STD-461F: CE101, CE 102, CE 106 CS101, CS103, CS104, CS114, CS115, CS116 RE101, RE102 RS101, RS103, RS105 Electrostatic Discharge (ESD) Protection All external interfaces of the amplifier shall be protect against ESD in accordance with MIL-STD-464C for Electrical and Electronic Susbsystems. Over-Temperature Protection The amplifier shall meet all requirements without going into an over-temperature condition. The amplifier shall provide protection against over-temperature. Upon detection of an over-temperature condition, options to mitigate can include: Provide an output to power an optional external fan. Reduce the output power before going to bypass mode (graceful degradation). If mitigation method(s) do not resolve the over-temperature condition, the amplifier shall operate in bypass mode. The amplifier shall return to normal operation when the over-temperature condition is no longer present. Connectors At a minimum, the amplifier shall have the following connectors as specified: Power Connector: MS3112E10-6P Radio RF: Threaded Neill-Concelman (TNC) Female Antenna 30-90 MHz: TNC Female Antenna 90- 512 MHz: TNC Female Antenna 512-2600 MHz: TNC Female (bypass mode) Antenna SATCOM / MUOS Tx: TNC Female All connectors shall be clearly labeled and uniquely identified. The amplifier shall provide a ground stud or dedicated external surfaces to meet grounding and bonding requirements of MIL-STD-464C. Indicators The amplifier shall include the following indicators: Power on Receive / Transmit status Any fault detected LNA on or off All active indicators shall be night-vision compatible and have a blackout mode. Local User Controls At a minimum, the amplifier shall provide the following controls: Power on / off – the amplifier shall be in bypass mode while off or when no power is applied. LNA on / off Output power selection Remote Control At a minimum, all local user controls shall available on an Ethernet port and a Universal Serial Bus (USB) port. Power On / Recovering from Power Interruption The amplifier shall retain all user settings when powered off and will operate with the same settings when powered back on. The amplifier shall retain its operational state and all user settings when power is removed and return to this operational state when power is restored. If the amplifier was off prior to loss of power, it will remain off when power is restored. If the amplifier was on prior to power loss, the amplifier shall be on when power is restored and operate with the same user settings used prior to the power loss. Markings The amplifier shall include a label identifying at a minimum the manufacturer, CAGE Code, model number and / or part number, and serial number. Physical Specifications Physical specifications are for a single channel amplifier. Dual-channel amplifier may be up to twice the volume and weight. Size (objective, no threshold): 3” H x 4” W x 9” D Weight (objective, no threshold): 10 lbs. Mounting (objective, no threshold): Rectangular pattern for four #10-32 screws spaced 2.18 inches wide by 4.93 inches deep. Environmental 3.1.19.1 Vibration The amplifier shall meet all performance requirements of this document during and after undergoing vibration induced by vehicular transport (both tracked and wheeled) over all types of roads and cross country terrain (verified by testing in accordance with MIL-STD-810G, Method 514.6, Procedure 1, General Vibration, Category 20 for wheeled and tracked vehicles in operational service). 3.1.19.2 Fungus The amplifier shall meet all requirements of this document during and after fungus testing per MIL-STD-810G, Method 508.6. 3.1.19.3 Sand and Dust The amplifier shall meet all performance requirements of this document and withstand sand and dust testing per MIL-STD-810G, Method 510.5, without performance degradation. 3.1.19.4 Salt Fog The amplifier shall meet all requirements of this document and withstand salt fog testing per MIL-STD-810G, Method 509.5, without significant corrosion. 3.1.19.5 High Altitude The amplifier shall meet requirements of this document during and withstand high altitude testing at 15,000 ft. per MIL-STD-810G, Method 500.5. 3.1.19.6 Humidity The amplifier shall meet requirements of this document during and withstand 95% non-condensing humidity throughout its operating temperature range. Humidity testing shall be per MIL-STD-810G, Method 507.5. 3.1.19.7 Operating Temperature Range The amplifier shall meet all requirements of this document over the temperature range of -40°C to +60°C. 3.1.19.8 Storage and Transit Temperature Range The amplifier shall meet all requirements of this document after being exposed to temperature range of -51 C to +71 C. Reliability 3.1.20.1 Mean Time Between Failures (MTBF) The amplifier shall have a MTBF of at least 40,000 hours. MTBF shall be measured in a "Ground Mobile" environment at 30 degrees Celsius with a duty cycle of 60% receive and 40% transmit. Use MIL-HDBK-217 or equivalent for reliability analysis. 3.1.20.2 Mean Time To Replace (MTTR) The amplifier shall have a maximum MTTR at LRU level of 15 minutes for Unit/Field repairs in accordance with MIL-HDBK-472. Radio Interoperability At a minimum, the amplifier shall be interoperable with the following radios: AN/PRC-148 MBITR AN/PRC-148 JEM AN/PRC-152 AN/PRC-152A AN/PRC-163 (Harris Corporation NGHH) AN/PRC-117G (RT-1949(P)(C)) AN/PRC-167 (Harris Corporation NGMP) JITC Certification The amplifier shall be able to meet JITC certification for IW when used with the radios listed in 3.1.21 above. RESPONSES Requested Information Section 1 of the response shall provide administrative information, and shall include the following as a minimum: Organization name, mailing address, overnight delivery address (if different from mailing address), phone number, fax number, and name and e-mail of designated point of contact. Business type (large business, small business, small disadvantaged business, 8(a)-certified small disadvantaged business, HUB Zone small business, woman-owned small business, very small business, veteran-owned small business, service-disabled veteran-owned small business). Country of origin for main component(s) The Government would appreciate feedback whether there is a solution which conforms to the specifications listed above, or whether there is an alternate solution that can meet some but not all specifications. Section 2 of the response shall provide technical information, and shall include the following as a minimum: Interested parties shall respond with existing capabilities or products that meet all or a subset of the aforementioned attributes. Reponses that include information detailing potential tradeoffs or alternative solutions is encouraged. Respondents should provide a detailed description of the following characteristics of their solution in their submission: List of Certifications and Standards applicable to the product [Military Standards (MIL-STDs), Joint Interoperability Test Command, etc.] Environmental performance and operational capabilities in relation to MIL-STDs Radio Interoperability Supported Waveforms Number of Channels Operation capabilities in Direct Current (DC) Power Receive Performance [Gain, attenuation, noise figure in Decibel (dB)] Receive-to-Transmit/Transmit-to-Receive Switching Time (in microseconds) Transmit (TX) Switching Threshold (in decibel-milliwatts) Transmitter Performance Output Power Transmit Time (in minutes) Transmit Harmonics Transmit Voltage Standing Wave Ratio (VSWR) Electromagnetic Compatibility Electrostatic Discharge (ESD) Protection Over-Temperature Protection Connectors available Indicators and modes on amplifier Local User Controls Remote Control capabilities Power On/Recovering from Power Interruption capabilities Markings (labels, serial number, etc.) Physical Specifications Size (in inches) Weight (in pounds) Mounting options Reliability (mean time between failures) If applicable and able, respondents shall include a list of Department of Defense (DoD), Department of Justice (DoJ) or Department of Homeland Security (DoHS) programs of record that currently employ their solution. It would be helpful if a sponsor POC for each program, with email address and phone number could be identified. The Government is interested in receiving vendors’ price lists for items they believe meet the need in this RFI. Supplying price data does not imply a contractual obligation and must be provided and marked as PRICE DATA. Respondents should include a list of authorized distributors. ADDITIONAL INFORMATION In response to this RFI, respondents shall submit written responses, not-to-exceed ten (10) pages in length via electronic mail. Product specification, sketches, or listings of authorized distributors will not count toward the page limitation. The Government is interested in identification of long lead items(s), sub-systems(s), or systems(s). The Government does not intend to award a contract on the basis of this request or to otherwise pay for the information solicited. Proprietary information will be safeguarded in accordance with the applicable Government regulations. All information received in response to the RFI that is marked PROPRIETARY will be handled accordingly. The Government will not be liable for or suffer any consequential damages for any proprietary information not properly identified. Responses to this RFI will not be returned. Respondents will not be notified of the result of the review. Failure to respond to this RFI does not preclude participation in any future associated RFP that may be issued. Information provided in no way binds the government to solicit or award a contract. If a solicitation is released, it will be synopsized on the Beta.SAM website: www.beta.sam.gov. It is the potential vendor’s responsibility to monitor this site for the release of any follow-on information. HOW TO RESPOND Interested parties are requested to respond to this RFI with a PDF Document Format. Responses shall be limited to 10 pages and submitted via e-mail only to shara.ruth@navy.mil. Proprietary information, if any, should be minimized and must be clearly marked. Responses are due no later than 12 December 2019, 11:00 A.M. EST. Responses to this RFI will not be returned. Respondents will not be notified of the result of the review. If a solicitation is released, it will be synopsized on the Beta.SAM website: www.beta.sam.gov. It is the potential vendor’s responsibility to monitor this site for the release of any follow-on information.
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