Keysight (Agilent) E8257D
| Attribute | Value |
|---|---|
| Frequency Range | 10 MHz to 20 GHz |
| Frequency Resolution | 0.001 Hz |
| Switching Speed | < 11 ms (typ.) |
| Timebase Aging | 10 MHz, ±3 × 10⁻⁸ per year |
| Interfaces | GPIB, LAN, RS-232 |
| Output Power | -20 to +15 dBm; up to +28 dBm (depending on configuration) |
| SSB Phase Noise | -130 dBc/Hz at 1 GHz, 20 kHz offset (spec.) |
| Modulation | AM, FM, ΦM, pulse (depending on configuration) |
| Level Accuracy | ±0.6 dB at 250 kHz to 2 GHz, ±0.8 dB at 2 to 20 GHz (spec.) |
| Harmonics | < -55 dBc at 2 to 20 GHz (spec.) |
| Non-Harmonics | < -80 dBc at 250 MHz to 1 GHz, > 3 kHz offset (spec.) |
| Sweep Modes | step sweep, list mode, ramp sweep, power sweep |
| RF Output Connector | 3.5 mm male or Type-N female; 2.4 mm male; 1.85 mm male (depending on configuration) |
| Dimensions | 426 × 178 × 515 mm |
| Weight | < 22 kg |
Available configurations
| Model | Frequency range | Configuration |
| E8257D-513 | 100 kHz to 13 GHz | Analog signal generator |
| E8257D-520 | 100 kHz to 20 GHz | Analog signal generator |
| E8257D-521 | 10 MHz to 20 GHz | Analog signal generator |
| E8257D-532 | 100 kHz to 31.8 GHz | Analog signal generator |
| E8257D-540 | 100 kHz to 40 GHz | Analog signal generator |
| E8257D-550 | 100 kHz to 50 GHz | Analog signal generator |
| E8257D-567 | 100 kHz to 67 GHz | Analog signal generator |
Keysight Technologies E8257D-521 Options:
- E8257D-521 - UNT - AM, FM, phase modulation, and LF output
- E8257D-521 - UNU - Pulse modulation (150 ns minimum pulse width)
- E8257D-521 - UNW - Narrow pulse modulation (20 ns minimum pulse width)
- E8257D-521 - 1E1 - Step attenuator
- E8257D-521 - UNX - Ultra-low phase noise frequency offsets ranging from 1 Hz to 10 kHz
- E8257D-521 - UNY - Enhanced ultra-low phase noise
- E8257D-521 - 1EH - Improved harmonics below 2 GHz
- E8257D-521 - 007 - Analog ramp sweep
- E8257D-521 - 008 - Removable flash memory (8 GB)
- E8257D-521 - HCC - Add input and output of phase reference LO
- E8257D-521 - H1S - Add 1 GHz external frequency reference input and output
- E8257D-521 - 1ED - Type-N (f) RF output connector
- E8257D-521 - 1EM - Moves all front panel connectors to the rear panel
- E8257D-521 - C09 - Moves all front panel connectors to the rear panel except the RF output connector
- E8257D-521 - 1CM - Rackmount flange kit
- E8257D-521 - 1CN - Front handle kit
- E8257D-521 - 1CP - Rackmount kit with front handles
- E8257D-521 - 1CR - Rack slide kit
- E8257D-521 - UK6 - Commercial calibration certificate with test data
- E8257D-521 - A6J - ANSI Z540-1-1994 calibration
- E8257D-521 - AMG - Keysight Cal + Uncertainties + Guardbanding (accredited cal)
The Keysight (Agilent) E8257D-521 Signal Generator offers ultra-high output power across 10 MHz to 20 GHz, ideal for high-power DUT and receiver blocking tests. It features output power up to +21 dBm at 1 GHz, phase noise as low as –143 dBc/Hz at 20 kHz offset, harmonic suppression better than –55 dBc, and fast switching time under 7 ms. The unit supports AM, FM, PM, Pulse modulation and both step and list sweep modes, with an optional UNX upgrade for ultra-low phase noise performance.
Perfect for radar and ADC calibration, this model ensures precision and performance for demanding RF applications. Its extensive modulation capabilities make it versatile for advanced test setups.
Testwall can supply the used Keysight (Agilent) E8257D-521, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Keysight (Agilent) E8257D-521.
Options and configurations
- Frequency Range: 10 MHz to 20 GHz (Opt. 521)
- Output Power: -20 to +15 dBm (Opt. 513/520), +11 dBm (Opt. 532/540), +5 dBm (Opt. 550/567); up to +21 dBm with Opt. 1EU; up to +28 dBm (Opt. 521); -135 dBm with Opt. 1E1
- SSB Phase Noise: -130 dBc/Hz at 1 GHz, 20 kHz offset (spec.); -138 dBc/Hz at 1 GHz, 10 kHz offset with Opt. UNY (spec.)
- Modulation: AM, FM, ΦM (Opt. UNT), pulse (Opt. UNU/UNW)
- Sweep Modes: step sweep, list mode, ramp sweep (Opt. 007), power sweep
- RF Output Connector: 3.5 mm male or Type-N female (Opt. 1ED) (Opt. 513/520/521); 2.4 mm male (Opt. 532/540/550); 1.85 mm male (Opt. 567)
