Fluke 9640A Series RF Reference Source

The 9640A Series has been discontinued. It has been replaced by the 96040A Low Phase Noise Reference Source

 

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 uHz 0.001 dB
Accuracy 0.05 ppm + 5 uHz Down to -48 dBm
0.03 dB to 100 kHz, 0.05 dB to 128 MHz, 0.5 dB at 4 GHz10 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 55 dB, 0.15 dB at 110 dB
VSWR   ≤500 MHz: ≤1.1,
≤1 GHz: 1.2, ≤3 GHz: 1.3,
≤4 GHz: 1.4
Harmonics and spurious –60 dBc harmonics, –70 dBc spurious to 1 GHz
Phase noise at 1 GHz 9640A: –122 dBc/Hz, typical, at 10 kHz offset
9640A-LPNX: –138 dBc/Hz, typical, at 5 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 Optional 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 IEEE488.2 (GPIB)
GPIB command emulation 9640A, 9640A-LPNX: HP3335
9640A-LPNX + Opt 8662/8663 GPIB: HP3335, HP8662A, HP8663A
Calibration documentation 17025 accredited report of calibration included
Dimensions (HxWxD) 146 mm x 433 mm x and 533 mm (5.8 in x 17.0 in x 21.0 in) Industry-standard 19 in (483 mm) rack mounting when fitted with Y9600 rack mounting kit
Weight 18 kg (40 lbs)

 

 

Model Name

Description

9640A-STD 4 GHz RF Reference Source including 50Ω leveling head and HP 3335A GPIB command emulation
9640A-STD/75 4 GHz RF Reference Source including 50Ω and 75Ω leveling heads and HP 3335A GPIB command emulation
9640A-LPNX 4 GHz RF Reference Source with low phase noise, including 50Ω leveling head and HP 3335A GPIB command emulation
9640A-LPNX/75 4 GHz RF Reference Source with low phase noise, including 50 Ω and 75 Ω leveling head and HP 3335A GPIB command emulation

 

Accessories common to all models:

Accessory

Description

8662/8663 GPIB

9640A-LPN HP 8662A/8663A Emulation (not available for 9640A-STD)

Options are License Key enabled, also available as user-installable upgrades. Contact your local Fluke sales office for information.

9600 CASE Rugged Transit Case
96XXCONN Adaptor/Torque Wrench Kit
9600FC

Integrated 50 MHz Frequency Counter

This option is License Key enabled, also available as a user-installable upgrade. Contact your local Fluke sales office for information.

9600FLT 1 GHz Wide Offset Phase Noise Filter
Y9600 Rackmount Kit (Slides)

 

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