The Agilent E4421B belongs to ESG-A family of signal generators which incorporates a broad array of capabilities for testing analog communications systems. The frequency range of E4421B is 250 kHz – 3 GHz and it provides a test solution by adding flexible options that will evaluate the performance of a communication system to the requirements of nearly all current and proposed air interface standards. The LCD display of the E4421B provides information on the current instrument state such as modulation status, frequency and amplitude settings, status indicators, and error messages.
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