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The HP E4422A ESG-4000A RF signal generator provides a wide range of digital modulation capabilities, in addition to a comprehensive feature set and excellent analog performance. Frequency range: 250 kHz to 4000 MHz with a resolution of 0.01 Hz. Switching speed: <45 ms with modulation on, <35 ms with modulation off. 3 operating modes are available: Step of frequency and power, and arbitrary list. Dwell time is 2ms to 60 seconds. Number of points: 2 to 401. The HP E4422A contains an extremely accurate reference oscillator, with a typical aging rate of <+/- 2ppm/yr or +/- 0.1 ppm/yr with high-stability option 1E5 option installed. Timebase reference output: 10 MHz, with an amplitude of >0.35 Vrms into a 50 Ohm load. External reference input frequency of 1, 2, 5, and 10 MHz +/- 10 ppm (1 ppm, Option 1E5). Output power range: +13 to -136 dBm at 250 kHz to 1000 MHz, +10 to -136 dBm at 1000 MHz to 3000 MHz, and a resolution of 0.02 dB. Reverse power protection: 25 Watts. Level accuracy: +/- 0.9 dB at +7 to -127 dBm, and +/- 2.5 dB at <-127 dBm. Atteniator hold range: >17 dB. Output switching rate: <25 ms typical and less than 210 ms with power search mode active. SWR: <1.4:1. at 250 kHz to 2000 MHz, <1.9:1 at >2000 MHz to 4000 MHz. Input impedance: 50 Ohms. The E4422A has 5 frequency bands. Frequency modulation on FM1 with 1 dB bandwidth: dc/20 Hz to 100 kHz; with 3 dB bandwidth: dc/5 Hz to 10 MHz. On FM2 with 1 dB BW: same as FM1; with a 3 dB bandwidth: dc/5 Hz to 1 MHz. Phase modulation has a maximum deviation of N x 90 rad, with a resolution of 0.1% of set deviation. Deviation accuracy (1 kHz rate): <+/-(5% of dev. + 0.01 rad). Amplitude modulation range (envelope peak <= max. specified power): 0 to 100%, with a 0.1% resolution. Modulation rates in a 3 dB bandwidth are dc/10 Hz to 10 kHz. Accuracy (1 kHz rate): +/- (5% of setting + 1%). Pulse modulation on/off ratio is >80 dB with rise/fall times of 150 ns. Minimum pulse width: 150 ns typical. Pulse repetition frequency with ALC on: 10 Hz to 250 kHz; ALC off: DC to 1.0 MHz. The internal modulation source provides FM, phase modulation, and AM modulation signals, and LF out, with a ate range for Sine of 0.1 Hz to 50 kHz; 0.1 Hz to 10 kHz for square, ramp, triangle. Resolution: 0.1 Hz. Frequency accuracy: 0.005%. LF out: 0 to 3 V peak into a 50 Ohm load with an output impedance of <1 Ohm. Available options: 1E5 (add high-stability timebase), and 1EM (move connectors to the rear panel.
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