The Agilent/Keysight 8648C is a synthesized RF signal generator designed for manufacturing, semi-automated receiver testing, and general-purpose applications. It offers a frequency range of 9 kHz to 3.2 GHz, superior level accuracy, and solid phase noise performance, making it ideal for testing cordless telephones, pagers, and two-way radios.
Specifications
Frequency
| Parameter | Value |
|---|---|
| Minimum Frequency | 9 kHz |
| Maximum Frequency | 3.2 GHz |
| Frequency Resolution | 0.001 Hz |
Output
| Parameter | Value |
|---|---|
| Reverse Power Protection | 50 W (≤ 2 GHz), 25 W (> 2 GHz) |
Modulation
| Parameter | Value |
|---|---|
| Modulation | AM, FM, Phase |
| Internal Modulation Frequencies | 400 Hz and 1 kHz (Standard), 10 Hz to 20 kHz (Option 1E2) |
| AM Depth Range | 0 to 100% |
| AM Resolution | 0.1% |
General
| Parameter | Value |
|---|---|
| Reference Oscillator | Standard: ±2 ppm/year; Option 1E5: ±0.1 ppm/year |
| Interfaces | GPIB (IEEE-488) |
| Display | LCD |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 90 to 264 VAC (48 to 66 Hz) or 90 to 132 VAC (48 to 440 Hz) |
| Dimensions (W×H×D) | 330 x 133 x 368 mm |
| Weight | 8.5 kg |
| Attenuator Type | Solid-state electronic |
Amplitude Specifications
| Parameter | Value |
|---|---|
| Amplitude Resolution | 0.1 dB |
| Output Impedance | 50 Ω |
| High Power Option | Optional (increases maximum output power) |
Spectral Purity
| Parameter | Value |
|---|---|
| Harmonics | -30 dBc |
Connectivity and Interfaces
| Parameter | Value |
|---|---|
| RF Output Connector | Type-N (Female) |
Environmental
| Parameter | Value |
|---|---|
| Operating Temperature | 0 to 50 °C |
| Storage Temperature | -40 to 71 °C |
Power
| Parameter | Value |
|---|---|
| Power Consumption | 170 VA maximum |
Reference Oscillator
| Parameter | Value |
|---|---|
| Standard Timebase Aging Rate | ± 2 ppm / year |
| High-Stability Timebase Aging Rate (Option 1E5) | ± 0.1 ppm / year |
Inputs & Outputs
| Parameter | Value |
|---|---|
| External Modulation Input Impedance | 600 Ω |
| Maximum External Modulation Input Level | 1 Vpeak (for indicated deviation) |
Compliance
| Parameter | Value |
|---|---|
| EMC Compliance | CISPR 11 / EN 55011 Group 1 Class A |
Technology
Synthesized RF Signal Generation
Applications
Receiver testing, high-volume manufacturing (cordless telephones, pagers, two-way radios)