E6E01

Which of these filter bandwidths would be a good choice for use in a SSB radiotelephone transmitter?

  1. 2.4 kHz at -6 dB

E6E02

Which of these filter bandwidths would be a good choice for use with standard double-sideband AM transmissions?

  1. 6 kHz at -6 dB

E6E03

What is a crystal lattice filter?

  1. A filter with narrow bandwidth and steep skirts made using quartz crystals

E6E04

What technique is used to construct low-cost, high-performance crystal ladder filters?

  1. Measure crystal frequencies and carefully select units with a frequency variation of less than 10% of the desired filter bandwidth

E6E05

Which of the following factors has the greatest effect in helping determine the bandwidth and response shape of a crystal ladder filter?

  1. The relative frequencies of the individual crystals

E6E06

What is one aspect of the piezoelectric effect?

  1. Physical deformation of a crystal by the application of a voltage

E6E07

What is the characteristic impedance of circuits in which almost all MMICs are designed to work?

  1. 50 ohms

E6E08

What is the typical noise figure of a monolithic microwave integrated circuit (MMIC) amplifier?

  1. Approximately 3.5 to 6 dB

E6E09

What type of amplifier device consists of a small pill-type package with an input lead, an output lead and 2 ground leads?

  1. A monolithic microwave integrated circuit (MMIC)

E6E10

What typical construction technique is used when building an amplifier for the microwave bands containing a monolithic microwave integrated circuit (MMIC)?

  1. Microstrip construction

E6E11

How is the operating bias voltage normally supplied to the most common type of monolithic microwave integrated circuit (MMIC)?

  1. Through a resistor and/or RF choke connected to the amplifier output lead

E6E12

What supply voltage do monolithic microwave integrated circuits (MMIC) amplifiers typically require?

  1. 12 volts DC

E6E13

What is the most common package for inexpensive monolithic microwave integrated circuit (MMIC) amplifiers?

  1. Plastic packages

 

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