SOW_-_Final.docx
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- Solicitation number
- NTIA0000-19-00121
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Please see attached Statement of Work.
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| File | Type | Posted |
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| Questions_and_Responses_NTIA0000-19-00121.docx | DOCX document | |
| RFP.docx | DOCX document |
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Statement of Work/Specifications RFP No. NTIA0000-19-00121
1.0 BACKGROUND
Radio propagation measurement, analysis, and modeling are core functions of the Institute for Telecommunication Sciences (ITS). The primary functions of several key programs at ITS, including the Propagation Modeling, Clutter Measurements, and mm-wave programs, for example, are to measure, analyze, and model the effects of the radio propagation channel on the transmission and reception of radio signals. Radio propagation measurements form the basis of this work. To carry out these measurements, ITS relies on custom-built measurement systems. ITS requires mm-wave transmitter components such as frequency multipliers, amplifiers, filters, RF- power sensors, coaxial cables, and antennas to be able to construct and test these custom-built measurement systems to support laboratory experiments and field measurements related to emerging fifth generation (5G) mobile wireless technology.
2.0 OBJECTIVE
The objective of this procurement is to acquire a wideband, continuous wave (CW), 40-watt, traveling wave tube (TWT) power amplifier that operates at millimeter-wave (mm-wave) frequencies (26.5 – 40 GHz) for radio propagation measurements using ITS custom-built measurement systems.
3.0 FUNCTIONAL SPECIFICATIONS
Functional Specifications for mm-wave CW 40-Watt TWT Power Amplifier
| General |
| Must be operable outdoors, field deployable, and transportable |
| Frequency Range |
| 26.5 – 40.0 GHz Minimum |
| RF Output Power (Saturated) at TWT Output |
| 40 W Minimum CW |
| Gain |
| 70 dB Minimum |
| Gain Flatness |
| ±3 dB Maximum preferred, ±6 dB Maximum acceptable |
| RF Input VSWR |
| 2.5:1 Maximum |
| Maximum RF Load VSWR without damage |
| At least 2.0:1 |
| Source/Load Protection |
| Minimum Solution: Amplifier shuts down if Maximum RF Load VSWR (see line above) is exceeded. |
Preferred Solution: Amplifier operates without damage or oscillation for any source or load impedance.
| RF Input Power for Saturated Output |
| Include label showing required RF Input Power vs. Frequency |
| Maximum RF Input Power without damage |
| At least -10 dBm |
| Harmonic Response |
| -8 dBc Maximum |
| Non- Harmonic Spurious Responses |
| -50 dBc or better |
| Operating Voltage |
| 110 VAC ±10%, Single Phase, 47-63 Hz |
| Power Consumption |
| Steady State: 900 VA maximum |
| Inrush Current |
| 15 A Maximum |
| RF Output Connector |
| WR-28 Waveguide, Must mate with UG599/U Square Flange |
| RF Input Connector |
| 2.4 mm Female preferred, 2.92 mm Female acceptable |
| RF Output Sample Port |
| 40 dB or 50 dB Coupling, 2.4 mm Female preferred, 2.92mm Female acceptable |
| Connector Locations |
| Waveguide connector placement to permit unobstructed direct connection to customer supplied horn antenna and provide E-field orientation as shown in diagram below |
| Mating Connectors |
| Mating connectors and caps provided for all non-RF connectors |
| Operating Ambient Temperature Range |
| 5°C to +40°C Minimum at 5000 ft. above sea level |
| Relative Humidity |
| 0 to 95% non-condensing |
| Shock |
| Meets functional shock test described in Sections 3.8.5.1 & 4.5.5.4.1 of MIL-PRF-28800F or equivalent |
| Vibration |
| Meets random vibration test described in Sections 3.8.4.1 & 4.5.5.3.1 of MIL-PRF-28800F for Class 3 equipment or equivalent |
| Operating Altitude |
| 0 to 10,000 ft. above sea level |
| Remote Monitor and Control |
| Ethernet |
| Cooling |
| Self-Contained Forced Air |
| Warranty |
| Two (2) Years Minimum |
| Design Style |
| Either Integrated Design (Single Enclosure housing both power supply and RF unit) or Split Design (Power supply and RF unit separate) if reduced size/weight of RF unit (compared to an Integrated Design) can be achieved (see size and weight specifications below) |
Design Style Dependent Specifications
| Design Style Options -> |
| Integrated Design |
| Split Design |
| Weatherproofing (Enclosure & Connectors) |
| IP54 Minimum, NEMA 4 Preferred |
| Power Supply: NEMA 1 |
RF Unit: IP54 Minimum, NEMA 4 Preferred
| Enclosure Mounting |
| Capability to securely mount bottom of enclosure to customer-supplied plate that is mounted on a telescoping mast (see diagram below) |
| Power Supply: Standard 19” EIA Rack Mountable |
RF Unit: Capability to securely mount bottom of enclosure to customer-supplied plate that is mounted on a telescoping mast (see diagram below)
Size (Goal: Minimize)
| 10” H x 12” W x 24” L Maximum |
| Power Supply: 10” H x 19” W x 28 “ L Maximum |
RF Unit: 10” H x 12” W x 24” L Maximum
Weight (Goal: Minimize)
| 50 lbs. Maximum |
| Power Supply: 50 lbs. Maximum |
RF Unit: 35 lbs. Maximum
Power Supply to RF Unit Cables & Connectors (Only needed for split designs)
| N/A |
| One ruggedized 12 ft and one ruggedized 40 ft power supply cable† are required along with two extra bulkhead connectors and four bulkhead connector caps. |
†The 12 ft. cable must connect from the power supply to a bulkhead connector. The 40 ft. cable must connect from that bulkhead connector to the RF unit.
DIAGRAM OF CUSTOMER-SUPPLIED PLATE SHOWING MOUNTING
RF Output WR-28 Showing E-Field Orientation
Power Amplifier E 30’ Telescoping Mast Drawing not to scale RF Input, RF Output Sample, Control/Monitor, and Power Connectors Customer-Supplied Plate ≈ 24” ≈ 10” ≈ 12”
4.0 PERIOD OF PERFORMANCE:
7 months from Date of Award
5.0 DELIVERABLE SCHEDULE:
Within 7 months ARO (after receipt of order) FOB Destination
6.0 TECHNICAL POINTS OF CONTACT:
CONTRACTING OFFICER’S REPRESENTATIVE:
Kenneth Calahan #303-497-3792 KCalahan@ntia.gov
PRIMARY TECHNICAL POINT OF CONTACT:
Jeff Wepman 303 497-3165 JWepman@ntia.gov
ALTERNATE TECHNICAL POINT OF CONTACT:
John Ewan #303 497-3059 JEwan@ntia.gov
7.0 INVOICING:
Please submit invoices to: invoice@nist.gov with a copy to the COR, TPOC’s and Contracting Officer.
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