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The HP E4421B 250 kHz to 3000 MHz is an ESG-A analog series RF signal generator. Resolution: 0.01 Hz. Switching Speed Modulation On: < 45 ms, typical. Switching Speed Modulation Off: < 35 ms, typical. Accuracy: Stability x fc timebase. Sweep Operating modes: Step: frequency and power, and arbitrary list. Sweep Dwell Time: 1 ms to 60 sec. Number of points: 2 to 401. Internal Reference Oscillator; Timebase Reference Output Frequency: 10 MHz, Amplitude: > 0.35 Vrms into 50 ohm load. External Reference Input; Frequency: 1, 2, 5, 10 MHz ± typ. 10 ppm (1 ppm, Option 1E5), Amplitude: > 0.15 Vrms, Input Impedance: 50 ohm. Output Range: 250 kHz to 1000 MHz +13 to -136 dBm (+17 to -136 dBm Option UNB), > 1000 MHz to 3000 MHz +10 to -136 dBm (+16 to -136 dBm Option UNB). Output Resolution: 0.02 dB. Attenuator Hold Level Range: > 17 dB (>23 dB Option UNB). Switching Speed: < 25 ms typical (30 ms, Option UNB). SSB Phase Noise (typical, at 20 kHz offset) at 3000 MHz: < -104 dBc/Hz. Harmonics (<= + 4 dBm [<= +7.5 dBm, Option UNB] output level): < - 30 dBc. Frequency Modulation; Maximum Deviation: N x10 MHz. Resolution: 0.1% of deviation or 1 Hz, whichever is greater. Deviation Accuracy (1 kHz rate, dev. < N x 100 kHz): < ± (3.5% of FM deviation + 20 Hz). Phase Modulation; Maximum Deviation: N x 90 radians. Resolution: 0.1% of set deviation. Deviation Accuracy (1 kHz rate): < ± (5% of deviation + 0.01 radians). Pulse Modulation; On/Off Ratio: <= 3 GHz: > 80 dB; > 3 GHz: > 60 dB. Rise/Fall Times: 150 ns, typical. Minimum Width (typical): ALC On: 2µs; ALC Off: 0.4µs. Level Accuracy (relative to CW)4 : ± 0.5 dB, typical. Internal Pulse Generator Squarewave Rates: 0.1 Hz-50 kHz. Pulse Period: 16 µs to 30 sec. Pulse Width: 8 µs to 30 sec. Interface: HP-IB (IEEE-488.2-1987) with Listen and Talk. RS-232. Options: 1EM, Move Connectors to Rear Panel. 1E5, Add High-Stability Timebase. UNB. High Power with mechanical attenuator
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