The Keysight (Agilent/HP) 8673D is a high-performance synthesized signal generator designed for microwave applications spanning 50 MHz to 26 GHz. It provides high spectral purity, built-in AM/FM/Pulse modulation, and automated sweep modes.
Specifications
Frequency
| Parameter | Value |
|---|---|
| Minimum Frequency | 50 MHz |
| Maximum Frequency | 26 GHz |
Output
| Parameter | Value |
|---|---|
| Maximum Output Power | 8 dBm |
| Output Power Range | -100 to +8 dBm |
Modulation
| Parameter | Value |
|---|---|
| Modulation | AM, FM, Pulse |
| Sweep Modes | Auto, Manual, Single |
| Internal Modulation Oscillator Frequencies | 400 Hz and 1 kHz |
| FM Rate (3 dB Bandwidth) | AC: 100 Hz to 10 MHz; DC: DC to 10 MHz |
General
| Parameter | Value |
|---|---|
| Reference Oscillator | 10 MHz |
| Interfaces | HP-IB (GPIB) |
| Display | 7-segment LED |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 / 120 / 220 / 240 V AC (+5%, -10%), 48 to 66 Hz, < 400 VA |
| Dimensions (W×H×D) | 425 mm × 146 mm × 620 mm |
| Weight | 29 kg |
Frequency Specifications
| Parameter | Value |
|---|---|
| Internal Reference Aging Rate | 5 x 10^-10 / day |
| External Reference Input Frequency | 10 MHz |
Amplitude Specifications
| Parameter | Value |
|---|---|
| Minimum Output Power | -100 dBm |
| Amplitude Resolution | 0.1 dB |
| Output Impedance | 50 Ohm |
Spectral Purity
| Parameter | Value |
|---|---|
| Harmonics | -40 dBc |
| Sub-harmonics | <-25 dBc (18.6 to 26 GHz) |
Pulse Modulation
| Parameter | Value |
|---|---|
| Pulse Modulation On/Off Ratio | > 80 dB (2.0 to 18.0 GHz), > 70 dB (18.0 to 26.0 GHz) |
| Minimum Pulse Width | 100 ns |
Frequency Modulation
| Parameter | Value |
|---|---|
| Maximum FM Deviation | up to 10 MHz peak (above 18.0 GHz) |
Amplitude Modulation
| Parameter | Value |
|---|---|
| Maximum AM Depth | 75% |
| AM 3 dB Bandwidth | DC to 100 kHz |
Environmental
| Parameter | Value |
|---|---|
| Operating Temperature Range | 0 to +55 °C |
Inputs & Outputs
| Parameter | Value |
|---|---|
| RF Output Connector | Precision 3.5 mm (male) |
Performance
| Parameter | Value |
|---|---|
| Output SWR | < 1.5:1 (0.05 to 18.6 GHz), < 2.0:1 (18.6 to 26 GHz) |
Power Requirements
| Parameter | Value |
|---|---|
| Maximum Power Consumption | 400 VA |
| AC Input Voltage | 100 / 120 / 220 / 240 V AC (+5% / -10%), 48 to 66 Hz |
Technology
Synthesized Signal Generator
Applications
Microwave and RF Testing