What determines the performance of a ferrite core at different frequencies?

1. A Its conductivity
2. B Its thickness
3. C The composition, or "mix," of materials used
4. D The ratio of outer diameter to inner diameter

What is meant by the term MMIC?

1. A Multi-Mode Integrated Circuit
2. B Monolithic Microwave Integrated Circuit
3. C Metal Monolayer Integrated Circuit
4. D Mode Modulated Integrated Circuit

Which of the following is an advantage of CMOS integrated circuits compared to TTL integrated circuits?

1. A Low power consumption
2. B High power handling capability
3. C Better suited for RF amplification
4. D Better suited for power supply regulation

What is a typical upper frequency limit for low SWR operation of 50-ohm BNC connectors?

1. A 50 MHz
2. B 500 MHz
3. C 4 GHz
4. D 40 GHz

What is an advantage of using a ferrite core toroidal inductor?

1. A Large values of inductance may be obtained
2. B The magnetic properties of the core may be optimized for a specific range of frequencies
3. C Most of the magnetic field is contained in the core
4. D All these choices are correct

What kind of device is an integrated circuit operational amplifier?

1. A Digital
2. B MMIC
3. C Programmable Logic
4. D Analog

Which of the following describes a type N connector?

1. A A moisture-resistant RF connector useful to 10 GHz
2. B A small bayonet connector used for data circuits
3. C A low noise figure VHF connector
4. D A nickel plated version of the PL-259

How is an LED biased when emitting light?

1. A In the tunnel-effect region
2. B At the Zener voltage
3. C Reverse biased
4. D Forward biased

How does a ferrite bead or core reduce common-mode RF current on the shield of a coaxial cable?

1. A By creating an impedance in the current's path
2. B It converts common-mode current to differential mode current
3. C By creating an out-of-phase current to cancel the common-mode current
4. D Ferrites expel magnetic fields

What is an SMA connector?

1. A A type-S to type-M adaptor
2. B A small threaded connector suitable for signals up to several GHz
3. C A connector designed for serial multiple access signals
4. D A type of push-on connector intended for high-voltage applications

Which of these connector types is commonly used for low frequency or dc signal connections to a transceiver?

1. A PL-259
2. B BNC
3. C RCA Phono
4. D Type N