Pushbutton Attenuators
The JFW pushbutton attenuator has been a staple tool to RF engineers for over 30 years. Whether mounted to a panel or used at a RF test bench, the JFW pushbutton attenuator makes adjusting attenuation quick and easy.
Step Attenuator Design
Each pushbutton controls an individual attenuation step. In order to achieve combinational dB settings you must activate multiple attenuation steps simultaneously.
Panel Mount Options
Most JFW pushbutton attenuators have threaded mounting holes on the same side as pushbuttons. These mounting holes are denoted on the outline drawings.
For your specific application, please contact JFW or use our Inquiry Form .
50 Ohm Models
JFW Model # Impedance dB Total dB Step Frequency Range RF Input Power RF Connectors 50B-001 50 Ohm 65 dB 1 dB DC-750 MHz 1 Watt BNC 50B-002 50 Ohm 45.5 dB 0.5 dB DC-750 MHz 1 Watt BNC 50B-004 50 Ohm 42 dB 1 dB DC-750 MHz 1 Watt BNC, SMA, TNC 50B-035 50 Ohm 85 dB 1 dB DC-750 MHz 1 Watt BNC, N, SMA, TNC 50B-042 50 Ohm 65 dB 1 dB DC-1000 MHz 1 Watt BNC, N, SMA, TNC 50B-043 50 Ohm 102 dB 1 dB DC-750 MHz 1 Watt BNC, N, SMA, TNC 50B-044 50 Ohm 82.5 dB 0.5 dB DC-750 MHz 1 Watt BNC, SMA, TNC 50B-050 50 Ohm 102 dB 1 dB DC-1000 MHz 1 Watt BNC, SMA, TNC
75 Ohm Models
JFW Model # Impedance dB Total dB Step Frequency Range RF Input Power RF Connectors 75B-001 75 Ohm 65 dB 1 dB DC-500 MHz 1 Watt BNC, F 75B-002 75 Ohm 45.5 dB 0.5 dB DC-500 MHz 1 Watt BNC, F
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JFW Model #: 50B-001
Type: Manually variable attenuator
Impedance: 50 Ohm
dB Total: 65 dB
dB Step: 1 dB
Frequency Range: DC-750 MHz
RF Input Power: 1 Watt
RF Connectors: BNC
Documentation: Data Sheet | Drawing
JFW Model #: 50B-002
Type: Manually variable attenuator
Impedance: 50 Ohm
dB Total: 45.5 dB
dB Step: 0.5 dB
Frequency Range: DC-750 MHz
RF Input Power: 1 Watt
RF Connectors: BNC
Documentation: Data Sheet | Drawing
JFW Model #: 50B-004
Type: Manually variable attenuator
Impedance: 50 Ohm
dB Total: 42 dB
dB Step: 1 dB
Frequency Range: DC-750 MHz
RF Input Power: 1 Watt
RF Connectors: BNC, SMA, TNC
Documentation: Data Sheet | Drawing
JFW Model #: 50B-035
Type: Manually variable attenuator
Impedance: 50 Ohm
dB Total: 85 dB
dB Step: 1 dB
Frequency Range: DC-750 MHz
RF Input Power: 1 Watt
RF Connectors: BNC, N, SMA, TNC
Documentation: Data Sheet | Drawing
JFW Model #: 50B-042
Type: Manually variable attenuator
Impedance: 50 Ohm
dB Total: 65 dB
dB Step: 1 dB
Frequency Range: DC-1000 MHz
RF Input Power: 1 Watt
RF Connectors: BNC, N, SMA, TNC
Documentation: Data Sheet | Drawing
JFW Model #: 50B-043
Type: Manually variable attenuator
Impedance: 50 Ohm
dB Total: 102 dB
dB Step: 1 dB
Frequency Range: DC-750 MHz
RF Input Power: 1 Watt
RF Connectors: BNC, N, SMA, TNC
Documentation: Data Sheet | Drawing
JFW Model #: 50B-044
Type: Manually variable attenuator
Impedance: 50 Ohm
dB Total: 82.5 dB
dB Step: 0.5 dB
Frequency Range: DC-750 MHz
RF Input Power: 1 Watt
RF Connectors: BNC, SMA, TNC
Documentation: Data Sheet | Drawing
JFW Model #: 50B-050
Type: Manually variable attenuator
Impedance: 50 Ohm
dB Total: 102 dB
dB Step: 1 dB
Frequency Range: DC-1000 MHz
RF Input Power: 1 Watt
RF Connectors: BNC, SMA, TNC
Documentation: Data Sheet | Drawing
JFW Model #: 75B-001
Type: Manually variable attenuator
Impedance: 75 Ohm
dB Total: 65 dB
dB Step: 1 dB
Frequency Range: DC-500 MHz
RF Input Power: 1 Watt
RF Connectors: BNC, F
Documentation: Data Sheet | Drawing
JFW Model #: 75B-002
Type: Manually variable attenuator
Impedance: 75 Ohm
dB Total: 45.5 dB
dB Step: 0.5 dB
Frequency Range: DC-500 MHz
RF Input Power: 1 Watt
RF Connectors: BNC, F
Documentation: Data Sheet | Drawing