EB27A Complete Kit

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EB27A
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Description

⭐ Complete RF Amplifier Component Set — Kitted & Supported in the USA by Communication Concepts, Inc.

EB27A Complete Kit (MPN: EB27A)

Engineered for high-performance RF applications, commercial broadcast transmitters, and precision amateur radio systems, the EB27A Complete Kit delivers proven electrical reliability, tight component tolerances, and superior thermal stability. Supplied and supported by Communication Concepts, Inc. since 1979.

Technical Specifications & Identification

Manufacturer / Supplier: Communication Concepts, Inc. (Proprietary USA Manufacturing)
Manufacturer Part Number (MPN): EB27A
Primary Application / Use Case: Motorola EB27A 300W Push-Pull HF Linear Amplifier (2-30 MHz, 300W, 28V DC)

Component Overview, Specifications & Bill of Materials

300W EB27A HF AMP COMPONENT SET

The EB27A HF amplifier is a push-pull linear amplifier for 300 watts of PEP or CW output power across the 2 to 30 MHZ band. One of Motorola's new high-power transistors developed for single-sideband, the MRF-422, is used in this amplifier design. The EB27A operates from a 28 Vdc power supply.

Specifications:

Frequency Range    2 to 30 MHZ

RF Input Power       18-20 watts (typical)

RF Output Power     300 watts

DC Input Voltage     28 Vdc

DC Input Current     20 amps (typical)

The component set includes:

1 ea.   Chip Capacitor Set          

1 ea.   Discret Capacitor Set

1 ea.   Resistor Set                 

1 ea.   Semiconductor Set

1 ea.   Ferrite Set                   

1 ea.   Transformer Set

1 ea.   Printed Circuit Board      

1 ea.   Matched Transistor Pair MRF422MP

Downloads:

EB27A Engineering Bulletin

EB27A Construction Hints

MRF422 Data Sheet

Engineering Application Notes & Builder FAQ

Compatible Active RF Devices: Engineered for MRF422 operating at 28V DC across 2-30 MHz (300W output).

Recommended Thermal Management: Pair this module with our Model 99HS machined heatsink assembly for reliable continuous duty-cycle dissipation.

Spectral Purity & Harmonic Filtering: For amateur radio and commercial broadcast compliance, follow the amplifier output with an appropriate 50-ohm low-pass harmonic filter (such as our FL1 series for HF).

Key Engineering Highlights

  • Verified RF Performance: Inspected and kitted to meet strict solid-state HF, VHF, and UHF operating standards.
  • Drop-In Compatibility: Ideal for Motorola application note builds, commercial transmitter maintenance, and custom linear pallet designs.
  • No Minimum Order Quantities: Fast domestic and international shipping with most orders shipping in under 1 week.

Looking for Volume BOM Pricing or Corporate Net 30 Terms?

Communication Concepts, Inc. supports commercial procurement, university laboratories, government/defense contractors, and volume Bill-of-Materials (BOM) orders. Contact our engineering sales team for custom institutional quotes.

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Warranty Information

Verified OEM / Communication Concepts specification warranty on unaltered components.
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