![]() ![]() ![]() The ADC and its impact on the receiver performance will then be discussed. This chapter will very briefly discuss analog receiver performance and point out the difference between it and digital receiver performance. The word “optimum”means obtaining a certain sensitivity and dynamic range, desired by the designer, within the limits of the amplifier performance and the ADC. The main purpose of this chapter is to present an optimum way to match the radio frequency (RF) amplifier with the ADC. If one turns on 10 television sets simultaneously and each one is receiving a different channel, the instantaneous bandwidth of such an arrangement is considered to be 60 MHz (ten 6-MHz channels).Īnalog-to-Digital Converters, Amplifiers, and Their Interface For example, television channels are allotted 6 MHz (although digital TV has become a reality in the United States, the channel bandwidth of a digital TV channel is the same as an analog TV channel), frequency modulated (FM) radio channels are allotted about 200 kHz, and amplitude modulation (AM) stations are allotted only 10 kHz. In contrast, a communication receiver has a relatively narrow bandwidth. This means any signal within the input bandwidth will be received all the time without tuning the receiver. These receivers must have very wide instantaneous input bandwidth (about 1 GHz) to fulfill their operational requirements. This book discusses digital signal processing schemes that are potentially applicable to electronic warfare (EW) receivers. Multiple fast Fourier transform receiver From fundamental concepts and procedures to recent technology advances in digital receivers, readers get practical solutions to important wideband receiver problems. The book offers insights on building digital electronic warfare receivers. Brand new material brings readers up to date with the latest information on wideband electronic warfare receivers, the detection of FM and BPSK radar signals, analog-to-information, time-reversal filter, and an encoder example with multiple FFT length. This updated third edition of Digital Techniques for Wideband Receivers offers a current, comprehensive design guide for digital processing work with today's complex receiver systems. ![]()
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