Keysight (Agilent)
Keysight (Agilent) 8648D
Signal Generator, 9 kHz - 4 GHz
9 kHz to 4 GHz Frequency Range
AM, FM, ΦM, pulse Modulation
0.001 Hz Frequency Resolution
< -30 dBc at ≤ +4 dBm Harmonics
< -48 dBc, ≥ 5 kHz offset Non-Harmonics

| Attribute | Value |
|---|---|
| Frequency Range | 9 kHz to 4 GHz |
| Modulation | AM, FM, ΦM, pulse |
| Frequency Resolution | 0.001 Hz |
| Harmonics | < -30 dBc at ≤ +4 dBm |
| Non-Harmonics | < -48 dBc, ≥ 5 kHz offset |
| Output Power | -136 to +13 dBm (≤ 2.5 GHz), -136 to +10 dBm (> 2.5 GHz) |
| SSB Phase Noise | < -116 dBc/Hz at 1 GHz, 20 kHz offset (typ.) |
| Level Accuracy | ±1.0 dB (< 2.5 GHz), ±1.5 dB (2.5 to 3.2 GHz), ±2.0 dB (3.2 to 4 GHz) |
| Modulation Bandwidth | FM DC to 150 kHz (typ.) |
| Timebase Aging | < ±2 ppm per year |
| Interfaces | GPIB |
| Dimensions | 330 × 165 × 368 mm |
| Weight | 8.5 kg |
Keysight (Agilent) 8648D Options:
- 8648D - 1EA - High output power
- 8648D - 1E2 - Modulation generator
- 8648D - 1E5 - High stability time base
- 8648D - 1E6 - Pulse modulation
- 8648D - UK6 - Commercial calibration certificate with test data
- 8648D - AB0 - Chinese localization Taiwan
- 8648D - AB1 - Korean localization
- 8648D - AB2 - Chinese localization - China
- 8648D - ABD - German localization
- 8648D - ABE - Spanish localization
- 8648D - ABF - French localization
- 8648D - ABJ - Japanese localization
- 8648D - 0B0 - Delete manuals
- 8648D - 1CM - Rack mount kit
RENT AGILENT / HP 8648D Generator (call for availability)
The Agilent / HP 8648D Synthesized RF Signal Generator is ideal for the engineer looking for that higher frequency range at an economical price. Designed for semi-automated receiver test, and a variety of general purpose applications, the Agilent / HP 8648D starts with the basic capabilities of the Agilent / HP 8647A, enhances residual FM, level accuracy and phase noise performance, offers optional pulse modulation and high power, and extends the frequency to 4.0 GHz. While economical, the Agilent / HP 8648D Generator is built to stringent quality standards, promoting reliability and measurement repeatability.
Features and Specifications of the Agilent / HP 8648D Generator include:
- Economical 4.0 GHz synthesized signal generator
- Superior level accuracy
- Wide frequency and output power coverage
- Optional pulse modulation and high power
- Remote and memory interfaces for semi-automated testing
- Simple, dependable operation
- Small Footprint Saves Bench Space
Options and configurations
- Modulation: AM, FM, ΦM, pulse (Opt. 1E6)
- Timebase Aging: < ±2 ppm per year (< ±0.1 ppm per year with Opt. 1E5)





