U.S. Army CECOM, CECOM Acquisition Center, Fort Monmouth, NJ 07703-5008

58 -- QUAD BAND HIGH POWER AMPLIFIER SOL NA DUE 092098 POC Kirk McLachlan, 732-532-9210, ext 5624 E-MAIL: Click here to email the POC, mclachla@doim6.monmouth.army.mil. Quad Band High Power Amplifier. The US Army CECOM S&TCD in support of PM MILSATCOM is conducting a market survey of sources that are capable of producing a NDI Linear 4-band (Quad (C/X/Ku/Ka) band)Traveling Wave Tube (TWT) High Power Amplifier (HPA) or Solid State Power Amplifier (SSPA), hereafter referred to as the Quad TWT. Quad TWT Specification is as follows: (1)Frequency Range -- (a)C-band 5850-6425 MHz; (b)X-band 7900-8400 MHz; (c)Ku-band 14.0-14.5 GHz; (d)Ka-band 27.5-31 GHz; (2)Primary Power 110/220 Volts AC 10%, 50-60 Hz; (3)Operating Temperature: -20 degrees C to +49 degrees C; (4)Power Output: 400 Watts minimum; (5)Power Output Flatness: 1 dB over any 40 MHz band-width; (6)To the extent possible, the weight of the HPA and transit case should not exceed military two person lift; (7)Phase Linearity (operating at rated EIRP less 6 dB): The RF to IF phase response shall not deviate from linear by more than the following amounts 0.1 radian over the center 60 % of any bandwidth B portion 0.25 radian over the center 80 % of any bandwidth B portion, B defined as follows: For C and Ku-bands, B is any 36-MHz portion of the RF band for 70 MHz IF operation; For X-band and Ka-band, B is any 40-MHz portion of the RF band for 70 MHz IF operation; (8)Extraneous Outputs: The EIRP of any extraneous or spurious emissions be at least 80 dB below the rated normal EIRP. The EIRP of any single harmonic of the fundamental be at least 60 dB below the normal EIRP of the fundamental. (9)Power Stability: for a constant input, <1.0 dB carrier power variation over a 24-hour period. (10)Impedance: 50 Ohms, 1.30:1 VSWR max. The NDI HPA is intended for use in a tactical SATCOM terminal application environment with other government-owned SATCOM communication equipment (not described). The HPA will need to be enclosed in an air cooled, rugged, weatherproof transit case (the source is requested to indicate if it's HPA is available as a transit case mounted system). The HPA would provide a minimum of 400 watts of output power over all frequency bands. The source has the option of providing approaches that use one HPA to cover the (C/X/Ku/Ka) frequency bands or use two or more HPAs to provide coverage. If the proposed approach involves two or more HPAs (the Government mission may not require the capability to transmit over all 4 bands simultaneously) it is desirable that a multiple HPA approach utilize identical control and power interfaces. A multiple HPA approach should be field reconfigurable within the transit case with simple hand-tools. The source should indicate if its approach will allow common hardware (i.e. HPA power supply, transit case, remote control signal/monitor interfaces, etc.) to be usable without rework as the different HPAs are interchanged. The source is requested to state the use of any linearizer technologies used, if any. The source should be knowledgeable and document a proven track record of accomplishments in providing technical assistance related to HPA design, manufacture, maintenance, reliability, and testing. Estimated issuance date of this Sources Sought Request is August 1998 and responses are to be received via e-mail at MCLACHLA@DOIM6.MONMOUTH.ARMY.MIL or mail at the CECOM Space and Terrestrial Communications Directorate, ATTN: AMSEL-RD-ST-SS-TA (Kirk McLachlan), Bldg. 210, Ft. Monmouth, New Jersey 07703, approximately 30 calendar days thereafter. Telephone requests for other information will not be honored. Notes to the Provider: The provider is to furnish one (1) set of descriptive Quad HPA system literature with response submission. The supporting literature must be in sufficient detail to enable the Government reviewer(s) to determine if the equipment described is in compliance with the technical requirements stated in the technical specification. Acknowledgment receipt will not be issued, nor will the respondents be notified of the results of the evaluation of the data received. Posted 08/04/98 (W-SN232217). (0216)

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