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The Agilent E4433A is a digital RF signal generator from the ESG-D series, delivering a calibrated, controllable RF carrier from 250 kHz to 4000 MHz. Also designated the ESG-D4000A, it pairs a synthesized frequency source with both analog and digitally modulated output in a single instrument, setting frequency to 0.01 Hz resolution and adjusting output amplitude in 0.02 dB steps.
A signal generator supplies the known, controllable stimulus that a device under test responds to. The E4433A produces standard analog modulation — frequency, phase, amplitude, and pulse — and, when fitted with the optional I/Q baseband generator (Option UN3 or UN4), generates digitally modulated signals for the DECT, GSM (including DCS1800/PCS1900), NADC, PDC, PHS, and TETRA standards. External I and Q inputs also allow the instrument to be driven by externally supplied baseband signals.
ValueTronics stocks and holds its own inventory in a 20,000-square-foot secure warehouse at 1675 Cambridge Drive in Elgin, Illinois. Pre-owned instruments are inspected and functionally verified in-house by our technicians before they ship, while new units leave the warehouse factory-sealed exactly as received from the manufacturer — we never open or test a new unit. Buying directly from our held stock means the instrument you order is the instrument we ship.
Hewlett-Packard's test and measurement operation was spun off as Agilent Technologies in 1999, and in 2014 that electronic measurement business was established as Keysight Technologies. Instruments originally branded under these names share a continuous engineering lineage across the corporate transitions.
| Specification | Value |
|---|---|
| Frequency | |
| Frequency Range (Agilent ESG-D4000A) | 250 kHz to 4000 MHz |
| Resolution | 0.01 Hz |
| Switching Speed (Modulation On) | <45 ms, typical |
| Switching Speed (Modulation Off) | <35 ms, typical |
| Accuracy | Same as timebase |
| Frequency Bands | |
| Band 1 (N# 1) | 250 kHz to <=249.999 MHz |
| Band 2 (N# 0.5) | >249.999 to <=500 MHz |
| Band 3 (N# 1) | >500 MHz to <=1 GHz |
| Band 4 (N# 2) | >1 to <=2 GHz |
| Band 5 (N# 4) | >2 to 4 GHz |
| Sweep Modes | |
| Operating modes | Step: frequency & power, and arbitrary list |
| Dwell Time | 2 ms to 60 sec |
| Number of Points | 2 to 401 |
| Internal Reference Oscillator | |
| Aging Rate (Standard, typical) | <±2 ppm/yr |
| Aging Rate (High Stability, Opt 1E5) | <±0.1 ppm/yr or <±0.0005 ppm/day after 45 days |
| Temperature (Standard) | <±1 ppm |
| Temperature (High Stability, Opt 1E5) | <±0.05 ppm, typical (0° to 55° C) |
| Line Voltage (Standard) | <±0.1 ppm (+5%, -10%) |
| Line Voltage (High Stability, Opt 1E5) | <±0.002 ppm, typical (+5%, -10%) |
| Timebase Reference Output Frequency | 10 MHz |
| Timebase Reference Output Amplitude | >0.35 Vrms into 50 ohm load |
| External Reference Input Frequency | 1, 2, 5, 10 MHz ± typ. 10 ppm (Option 1E5: 1 ppm, typical) |
| External Reference Input Amplitude | >0.15 Vrms |
| External Reference Input Impedance | 50 ohm |
| Output | |
| Range (250 kHz to 1000 MHz) | +13 to -136 dBm |
| Range (>1000 MHz to 3000 MHz) | +10 to -136 dBm |
| Range (>3000 MHz to 4000 MHz) | +7 to -136 dBm |
| Resolution | 0.02 dB |
| Level Accuracy (+7 to -127 dBm, 250 kHz to 2 GHz) | ±0.5 dB |
| Level Accuracy (+7 to -127 dBm, 2 GHz to 4 GHz) | ±0.9 dB |
| Level Accuracy (<-127 dBm, 250 kHz to 2 GHz) | ±1.5 dB |
| Level Accuracy (<-127 dBm, 2 GHz to 4 GHz) | ±2.5 dB |
| Attenuator Hold Level Range | >17 dB |
| Switching Speed | <25 ms typical |
| Switching Speed (With Power Search Mode) | <210 ms typical |
| Reverse Power Protection (250 kHz to 2000 MHz) | 50 Watts |
| Reverse Power Protection (>2000 MHz to 4000 MHz) | 25 Watts |
| Max DC Voltage | 50 V |
| SWR (typical, 250 kHz to 2000 MHz) | <1.4:1 |
| SWR (typical, >2000 to 4000 MHz) | <1.9:1 |
| Output Impedance | 50 ohms |
| Level Accuracy with Digital Modulation (ALC on; relative to CW) | |
| pi/4 DQPSK or QPSK Formats | ±0.15 dB (raised cosine or root-raised cosine filter, alpha >=0.35; 10 kHz |
| Constant Amplitude Formats (FSK, GMSK, etc.) | no degradation in power level accuracy |
| Level Accuracy with ALC Off | ±0.5 dB, typical (after power search executed; relative to CW) |
| Spectral Purity | |
| SSB Phase Noise (typ, 20 kHz offset) at 500 MHz | <-120 dBc/Hz |
| at 1000 MHz | <-116 dBc/Hz |
| at 2000 MHz | <-110 dBc/Hz |
| at 3000 MHz | <-104 dBc/Hz |
| at 4000 MHz | <-104 dBc/Hz |
| Residual FM (CW mode, 0.3-3 kHz BW, CCITT, rms) Phase Noise Mode 1 | |
| Residual FM Phase Noise Mode 2 | |
| Harmonics (<=+4 dBm output level) | <-30 dBc |
| Nonharmonics (250 kHz to 1000 MHz) | <-65 dBc |
| Nonharmonics (>1000 MHz to 2000 MHz) | <-59 dBc |
| Nonharmonics (>2000 MHz) | <-53 dBc |
| Subharmonics (<=1000 MHz) | None |
| Subharmonics (>1000 MHz) | <-40 dBc |
| IQ Modulation | |
| I&Q Input Impedance | 50 ohms |
| Full Scale Input | √(I²+Q²) = 0.5 Vrms |
| External Input RF Bandwidth (1 dB) | 20 MHz, typical |
| DC Offset (I + Q independently adjustable) | ±100% |
| I/Q Gain Ratio | ±4 dB |
| DC Vector Accuracy - Static EVM (rms) | <0.75% (<0.6 GHz), <0.5% (0.6-2 GHz), 0.75% (2-3.7 GHz), <1% (<=4 GHz) |
| DC Vector Accuracy - Magnitude Error (rms) | <0.5% (<0.6 GHz), <0.35% (0.6-2 GHz), <0.5% (2-3.7 GHz), <0.75% (<=4 GHz) |
| DC Vector Accuracy - Phase Error (rms) | <0.35° (<0.6 GHz), <0.25° (0.6-2 GHz), <0.35° (2-3.7 GHz), <0.5° (<=4 GHz) |
| DC Vector Accuracy - Origin Offset (dBc) | <-46 (<0.6 GHz), <-46 (0.6-2 GHz), <-40 (2-3.7 GHz), <-40 (<=4 GHz) |
| Frequency Modulation | |
| Maximum Deviation | N x 10 MHz |
| Resolution | 0.1% of deviation or 1 Hz, whichever is greater |
Deviation Accuracy (1 kHz rate, dev. | <±(3.5% of FM deviation + 20 Hz) | |
| FM1 1 dB Bandwidth (deviation = 100 kHz) | dc/20 Hz to 100 kHz |
| FM1 3 dB Bandwidth, typical | dc/5 Hz to 10 MHz |
| FM2 1 dB Bandwidth | dc/20 Hz to 100 kHz |
| FM2 3 dB Bandwidth, typical | dc/5 Hz to 1 MHz |
| Distortion (1 kHz rate, THD, dev. = N x 100 kHz) | <1% |
| 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) |
| Normal BW (N x 90 rad) | PM1 dc to 100 kHz; PM2 dc to 100 kHz |
| High BW (N x 2pi rad) | PM1 dc to 1.5 MHz (typ); PM2 dc to 1 MHz (typ) |
| High BW (N x pi/2 rad) | PM1 dc to 4 MHz (typ); PM2 dc to 0.9 MHz (typ) |
Distortion (1 kHz rate, THD, dev | <1% | |
| Amplitude Modulation (fc>500 kHz) | |
| Range (envelope peak <=max specified power) | 0 to 100% |
| Resolution | 0.1% |
| Rates (3 dB Bandwidth) | dc/10 Hz to 10 kHz |
| Distortion (1 kHz rate, THD) 30% AM | <1.5% |
| Distortion (1 kHz rate, THD) 90% AM | <4% |
| Accuracy (1 kHz rate) | <±(5% of setting + 1%) |
| Wide Band AM Rate (1 dB Bandwidth, typ) ALC On | 400 Hz to 10 MHz |
Important: Maximum DC voltage at the RF output is 50 V; reverse power protection is rated to 50 W from 250 kHz to 2000 MHz and 25 W from above 2000 to 4000 MHz.
Important: Level accuracy degrades by 0.02 dB/°C over the full temperature range and by 0.3 dB above +7 dBm.
This pre-owned unit is inspected and functionally verified in-house before it ships and is backed by our pre-owned warranty. To confirm its exact condition, firmware revision, installed options, or included accessories for your application before ordering, contact our Test Architects.
ValueTronics supplies both new and used test and measurement equipment. New units ship factory-sealed, exactly as received from the manufacturer; every used unit is inspected and functionally verified in-house at our 20,000 sq ft secure facility in Elgin, Illinois before it ships. Our Test Architects can help you select the condition, calibration, and configuration that fit your application.
Please review the Manufacturer's Data Sheet to verify published specifications. Feedback on this webpage is always welcome — please reach out to your Test Architect at any time for questions or concerns. Thank you, we truly appreciate you being our customer.
Model No
Agilent
Condition
Pre-Owned
Manufacturer
Agilent
Rf_gen_freq
250 kHz to 4000 MHz
100000
High-stability timebase
UN4
I/Q Baseband Generator with 8 Mbit Pattern RAM
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