NOTE: Image is representative and may not be actual configuration.
HP/Agilent E4428C ESG Analog Signal Generator
Description
Signal Characteristics
* 250 kHz to 3 or 6 GHz (.01 Hz resolution)
* -136 to 17 dBm @ 1 GHZ, 16 dBm @ 6 GHz, and 10 dBm @ 6 GHz output power
* +/-0.5 to +/-0.9 dB level accuracy (> -110 dBm)
Spectral Purity
* -134 dBc/Hz SSB phase noise @ 20 kHz offset, 1 GHz carrier (typ)
* High-stability timebase: oven-controlled crystal oscillator (OXCO)
Modulation and Sweep
* AM, FM, ØM, and pulse modulation
* DC to 10 MHz FM modulation rates, maximum deviations up to 8 MHz
* Dual internal function generators: sine, square, ramp, triangle, noise, DC, pulse, swept sine, dual sine
* Step and list sweep (frequency and power)
Automation and Communication Interface
* 10BaseT LAN and GPIB
* SCPI and IVI-COM drivers
* Backwards compatible with all ESG signal generators
Excellent all-inclusive RF and analog modulation performance up to 3 or 6 GHz
The E4428C ESG analog signal generator delivers outstanding spectral purity, level accuracy, output power, and analog modulation performance up to 3 or 6 GHz for all general-purpose test needs. This makes the E4428C ESG a superb choice for general-purpose tests requiring CW, AM, ØM, and FM receiver and component test signals in the cellular, ISM, and UNII frequency bands.
Lowest Single-Sideband (SSB) phase noise performance in its price class
Single-Sideband (SSB) phase noise is an extremely important specification of a signal generator. For example, if used for measuring the adjacent channel selectivity of a receiver, your test results might indicate a failure when your receiver is actually functioning properly if the phase noise of the signal generator is too high. With a typical SSB phase noise performance of -134 dBc/Hz at 20 kHz offset from a 1 GHz carrier, the E4428C ESG will meet your demanding performance needs. Other key applications that require high spectral purity include LO substitution, low-jitter clock stimulus, blocking/interference signals, and in-channel measurements close to the carrier.
See application note Signal Generator Spectral Purity Considerations in RF Communications Testing in the Product Library for more information on signal generator spectral purity considerations.
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