wsc09 แบบฝึกหัดบทที่ 3

แบบฝึกหัดบทที่ 3

1. Each of the following is a type of filter except passband.
Each of the following is a type of filter : low-pass, high-pass and bandpass


2. The purpose of a(n) mixer is to combine two inputs to create a single output.

3. A(n) amplier actively increases a signal's intensity or strength.

Reference : Wireless# Guide to Wireless Communications Second Edition By: Jorge Olenewa and Mark Ciampa