Accession Number:

AD0285193

Title:

A SOLID-STATE INTERMEDIATE POWER AMPLIFIER FOR PROPOSED RADIO RELAYSYSTEM AN/GRC-103

Descriptive Note:

Corporate Author:

RADIO CORP OF AMERICA CAMDEN N J DEFENSE ELECTRONIC PRODUCTS

Personal Author(s):

• KALLUS,S.
• NEWTON,A.

Report Date:

1962-09-15

Pagination or Media Count:

1.0

Abstract:

The development is presented of a solid-state UHF power amplifier capable of delivering RF power output of two watts to the final stage of the ANGRC-103 transmitter, covering the range of 220 mc - 700 mc. The circuit used comprised both a transistor driver operating in the 87.5 - 175 mc range and varactor multipliers. A double was used for the 220 - 350 mc band, and a quadrupler for the 350 - 700 mc band. The goal of two watts power output is achieved in the lower band with a double efficiency of better than 50. The quadrupler efficiency is 25, but the required drive power of 8 watts for a 2-watt output could not be developed at 175 mc using available transistors. Coupling networks were individually tuned for maximum over-all efficiency. Author

Descriptors:

• *FREQUENCY MULTIPLIERS
• *MICROWAVE RELAY SYSTEMS
• *POWER AMPLIFIERS
• *RADIO RELAY SYSTEMS
• *RADIO TRANSMITTERS
• *TRANSISTOR AMPLIFIERS
• CIRCUITS
• DIODES
• ELECTRICAL IMPEDANCE
• RADIOFREQUENCY AMPLIFIERS
• RADIOFREQUENCY POWER
• SEMICONDUCTORS
• SOURCES
• TRANSISTORS
• TUNED AMPLIFIERS
• ULTRAHIGH FREQUENCY
• VERY HIGH FREQUENCY

Subject Categories:

Distribution Statement:

APPROVED FOR PUBLIC RELEASE