Fluke RF calibration
Fluke RF calibration
The 96040A 4GHZ and 96270A 27GHz RF reference sources are the core of an RF calibration system, maximizing utility and efficiency. Designed specifically for RF Calibration these products provide superior phase noise performance, an integrated frequency counter, and wide-offset phase noise filter accessory.

96040A Low Phase Noise Reference Source
Key features
- Simplify RF calibration systems by replacing many current instruments and accessories with one.
- Speed up calibration procedures, reduce operator errors, and streamline RF metrology.
- Cover most test points required for calibrating spectrum analyzers of any frequency range.
- Automate with MET/CAL® Plus Calibration Management Software to improve efficiency and increase capacity by 50% or more compared to manual methods.
Specifications: 96040A Low Phase Noise Reference Source
| 96040A summary specifications* | ||
| Frequency specifications | Level specifications (50 Ω output, see extended specifications for 75 Ω) | |
| Range | 1 mHz to 4 GHz | -130 to +24 dBm to 125 MHz, 14 dBm at 4 GHz (leveled) |
| Resolution | 10 µHz | 0.001 dB |
| Accuracy | ± 0.05 ppm ± 5 µHz | Down to -48 dBm: ± 0.03 dB to 100 kHz, ± 0.05 dB to 128 MHz, ± 0.3 dB at 4 GHz 10 MHz to 128 MHz: ± 0.05 dB to -48 dBm, ± 0.1 dB to -84 dBm , ± 0.7 dB at -130 dBm |
| Attenuation | ± 0.02 dB to 49 dB, ± 0.15 dB at 110 dB Relative to +10 dBm, 10 Hz to 128 MHz | |
| VSWR | ≤ 100 MHz: ≤ 1.05, ≤ 2 GHz: ≤ 1.1, 2 GHz to 4 GHz: ≤ 1.0 + 0.05 xf (GHz) | |
| Harmonics and spurious | –60 dBc harmonics, –78 dBc spurious to 1 GHz | |
| Phase noise at 1 GHz | –144 dBc/Hz, typical, at 10 kHz to 100 kHz offset | |
| Modulation | AM, FM, PM, internal and external. Frequency pull and external leveling | |
| Frequency sweep | 1 mHz to 4 GHz. Linear or Logarithmic. Stop-Start or Center-Span | |
| Frequency counter | Internal 50 MHz frequency counter | |
| Temperature | Operating: 0 °C to 50 °C, 23 °C ± 5 °C for specified performance; Storage: -20 °C to +70 °C. | |
| Standard interfaces | IEEE-488.2 (GPIB) | |
| GPIB command emulation | 9640A, 9640A-LPN, 9640A-LPNX, HP3335, HP8662A, HP8663A. | |
| Dimensions (HxWxD) | 146 mm x 442 mm x 551 mm (5.8 in x 17.4 in x 21.7 in) including handles Industry-standard 19 in (483 mm) rack mounting when fitted with Y9600 rack mounting kit | |
| Weight | 18 kg (40 lb) | |

96270A 27 GHz Low Phase Noise Reference Source
Key features
- Precision signal level, attenuation, and low phase noise RF calibration, offering superior performance over general-purpose signal generators.
- Specifically designed for RF calibration to simplify and speed up calibration procedures.
- Reduce operator errors and cover over 80% of the test points required for calibrating almost all spectrum analyzers.
- Automate with MET/CAL® Calibration Management Software to reduce complexity and calibration times, improve efficiency and increase capacity over manual methods.
Specifications: 96270A 27 GHz Low Phase Noise Reference Source
| 96270A summary specifications* | ||
| Frequency specifications | Level specifications | |
| Frequency/ Level Range | Leveling Head O/P [50 Ω]: 1 mHz to 4 GHz Microwave O/P Direct: 1 mHz to 27 GHz [with LL option] Microwave O/P with HF option: 1 kHz to 27 GHz [with LL option] | -130 to +24 dBm to 125 MHz, +14 dBm at 4 GHz -4 [-100] to +24 dBm, >1.4 GHz: +20 dBm, [>20 GHz: +18 dBm] -10 [-35] to +18 dBm, >1.4 GHz: +14 dBm, [>20 GHz: +12 dBm] |
| Resolution | 10 µHz | 0.001 dB |
| Frequency accuracy | ± 0.05 ppm ± 5 µHz | |
| Level accuracy (into 50 Ω): | Leveling Head O/P: Down to -48 dBm; ± 0.03 dB to 100 kHz, ± 0.05 dB to 128 MHz, ± 0.3 dB at 4 GHz 10 MHz to 128 MHz; ± 0.05 dB to -48 dBm, ± 0.1 dB to -84 dBm , ± 0.7 dB at -130 dBm Microwave O/P Direct: Typically ± 0.5 dB to 4 GHz, ± 0.5 dB to 26.5GHz Microwave O/P with HF option (after self-characterization): Power flatness uncertainty; ± 0.05 dB at 100 MHz, ± 0.07 dB at 1 GHz, ± 0.1 dB at 12 GHz, ± 0.16 dB at 26.5 GHz % Power (Cal Factor) uncertainty with factory calibration; ± 1.06 % at 100 MHz, ± 1.42 % at 1 GHz, ± 3.52 % at 26.5 GHz % Power (Cal Factor) uncertainty with reference sensor calibrated with typical state-of-the-art uncertainty and vector corrections for mismatches at splitter output port; ± 0.37 % at 100 MHz, ± 0.49 % at 1 GHz, ± 2.18 % at 26.5 GHz | |
| Attenuation accuracy (into 50 Ω) | Leveling Head O/P: ± 0.02 dB to 49 dB, ± 0.15 dB at 110 dB Relative to +10 dBm, 10 Hz to 128 MHz | |
| VSWR | Leveling Head O/P (50 Ω): ≤ 100 MHz: ≤ 1.05, ≤ 2 GHz: ≤ 1.1, 2 GHz to 4 GHz: ≤ 1.0 + 0.05 x f (GHz) Microwave O/P: direct ≤ 2.0 (typical), HF option splitter device ≤ 1.22 | |
| Harmonics and sub-harmonics | Harmonics ≤1 GHz: -60 dBc, >1 GHz: -55 dBc; sub-harmonics ≤ 4 GHz: none, >4GHz: -60 dBc | |
| Spurious ≥ 3 kHz offset | ≤ -84 dBc at 500 MHz, ≤ -78 dBc at 1 GHz, ≤ -66 dBc at 4 GHz, ≤ -48 dBc at 27 GHz | |
| Phase noise at 1 GHz | –144 dBc/Hz, typical, at 10 kHz to 100 kHz offset | |
| Modulation | AM, FM, PM, internal and external to 4 GHz (Leveling Head and Microwave O/P); frequency pull and external leveling | |
| Frequency sweep | 1 mHz to 4 GHz (Leveling Head); 1 mHz to 27 GHz (Microwave O/P). Linear or logarithmic. Stop-start or center-span | |
| Frequency counter | Internal 300 MHz frequency counter | |
| Power meter readout compatibility | Rhode & Schwarz NRP-Z series thermal sensor models 51, 52, 55.03, 55.04, 56, 57 and 58 | |
| Temperature | Operating: 0 °C to 50 °C, 23 °C ± 5 °C for specified performance Storage: -20 °C to +70 °C | |
| Standard interfaces | IEEE-488.2 (GPIB) | |
| GPIB command emulation | 9640A, 9640A-LPN, 9640A-LPNX, HP3335, HP8662A, HP8663A, HP8340A, HP8360 B-Series; Agilent E8257 Series | |
| Dimensions (HxWxD) | 146 mm x 442 mm x 551 mm (5.8 in x 17.4 in x 21.7 in) including handles. Industry-standard 19 in (483 mm) rack mounting when fitted with Y9600 rack mounting kit | |
| Weight | 18 kg (40 lb) | |