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Development of a VHF Frequency Converter Unit for the AN/MRK-4Telemter Receiving Equipment

机译:开发用于aN / mRK-4Telemter接收设备的VHF变频器单元

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This report describes a VHF frequency converter unit designed for use with the modified RBF-3 FM receiver of the AN/MKR-4 telemeter receiving equipment. The converter unit has been given the designation, X4-CV-4B, and tunes from 215 Mc to 222 Mc providing a voltage gain of approximately 8 decibels with a band width of 500 kilocycles at half power points. The unit can be tuned plus and minus one megacycle from its aligned frequency by one control with a loss of output less than 3 decibels. Instructions for either inter¬nal or external attachment to the RBF-3 receiver are included in this report. Complete gain, selectivity, noise, inter¬ference, and frequency versus temperature characteristics of the unit are described. Sensitivity and selectivity characteristics of the converted receiver are also given.

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