Manually Variable Attenuators
Manually controlled variable attenuators are passive devices that require no external power source to operate. A majority of our models have rotary knobs for manual control. Just turn the knob(s) to set the desired attenuation. We also offer manual attenuators with pushbutton, rocker or toggle switches as the manual controls.
50 Ohm Models
- Single Rotor: step attenuator with one manual knob
- Dual Rotor: step attenuator with two manual knobs
- Panel Mounted: 19 inch rack mountable panel models
- Benchtop (enclosure): step attenuator in fully enclosed benchtop enclosure
- Benchtop (L-bracket): step attenuator on benchtop L-bracket
- Pushbutton: step attenuator with pushbutton switches
- Rocker: step attenuator with rocker switches
- Toggle: step attenuator with toggle switches
75 Ohm Models
- Single Rotor: step attenuator with one manual knob
- Dual Rotor: step attenuator with two manual knobs
- Panel Mounted: 19 inch rack mountable panel models
- Benchtop (enclosure): step attenuator in fully enclosed benchtop enclosure
- Benchtop (L-bracket): step attenuator on benchtop L-bracket
- Pushbutton: step attenuator with pushbutton switches
- Toggle: step attenuator with toggle switches
- Display 15 Products per page
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Manual Attenuator DC-2.55GHz 0-100dB x 10dB | 50R-234
JFW Model #: 50R-234
Type: Manually variable attenuator
Impedance: 50 Ohm
dB Total: 100 dB
dB Step: 10 dB
Frequency Range: DC-2550 MHz
RF Input Power: 2 Watts
RF Connectors: N, SMA
Documentation: Data Sheet | Drawing (N) | Drawing (SMA) | Knob/Mounting -
75 Ohm Toggle Attenuator DC-500 MHz 0-65dB x 1dB | 75TA-006
JFW Model #: 75TA-006
Type: Manually variable attenuator
Impedance: 75 Ohm
dB Total: 65 dB
dB Step: 1 dB
Frequency Range: DC-500 MHz
RF Input Power: 0.5 Watts
RF Connectors: BNC, F, N
Documentation: Data Sheet |Drawing -
Panel Mounted Attenuators DC-2 GHz 0-110dB x 1dB | 50PM-125
JFW Model #: 50PM-125-XX
Type: Manually variable attenuators
Panel: 19 inch rack mountable
Impedance: 50 Ohm
Configuration: 1-8 Attenuators
dB Total: 110 dB
dB Step: 1 dB
Frequency Range: DC-2000 MHz
RF Input Power: 2 Watt
RF Connectors: BNC, N, SMA, TNC
Documentation: Data Sheet | Drawing | Drawing -
50 Ohm Benchtop Attenuator DC-2 GHz 0-110dB x 1dB | 50BR-001
JFW Model #: 50BR-001
Type: Manually variable attenuator
Enclosure: Benchtop enclosure
Impedance: 50 Ohm
dB Total: 110 dB
dB Step: 1 dB
Frequency Range: DC-2000 MHz
RF Input Power: 2 Watts
RF Connectors: BNC, N, SMA, TNC
Documentation: Data Sheet | Drawing -
Manual Attenuator DC-3GHz 0-70dB x 10dB | 50R-397
JFW Model #: 50R-397
Type: Manually variable attenuator
Impedance: 50 Ohm
dB Total: 70 dB
dB Step: 10 dB
Frequency Range: DC-3000 MHz
RF Input Power: 2 Watts
RF Connectors: SMA, N
Documentation: Data Sheet | Drawing (SMA) | Drawing (N) | Knob/Mounting -
Manual Attenuator DC-2.2GHz 0-10dB x 1dB | 50R-019
JFW Model #: 50R-019
Type: Manually variable attenuator
Impedance: 50 Ohm
dB Total: 10 dB
dB Step: 1 dB
Frequency Range: DC-2200 MHz
RF Input Power: 2 Watts
RF Connectors: BNC, RPT, SMA, TNC
Documentation: Data Sheet | Drawing (BNC) | Drawing (SMA) | Drawing (TNC) | Knob/Mounting -
75 Ohm Benchtop Attenuator DC-1 GHz 0-70dB x 1dB | 75BR-024
JFW Model #: 75BR-024
Type: Manually variable attenuator
Enclosure: Benchtop L-bracket
Impedance: 75 Ohm
dB Total: 70 dB
dB Step: 1 dB
Frequency Range: DC-1000 MHz
RF Input Power: 1 Watt
RF Connectors: BNC, F, N
Documentation: Data Sheet | Drawing -
Panel Mounted Attenuators DC-1218 MHz 0-11dB x 0.1dB | 75PM-031
JFW Model #: 75PM-031-XX
Type: Manually variable attenuators
Panel: 19 inch rack mountable
Impedance: 75 Ohm
Configuration: 1-8 Attenuators
dB Total: 11 dB
dB Step: 0.1 dB
Frequency Range: DC-1218 MHz
RF Input Power: 1 Watt
RF Connectors: BNC, F, N
Documentation: Data Sheet | Drawing | Drawing -
50 Ohm Rocker Attenuator DC-500 MHz 0-65dB x 1dB | 50RA-003
JFW Model #: 50RA-003
Type: Manually variable attenuator
Impedance: 50 Ohm
dB Total: 65 dB
dB Step: 1 dB
Frequency Range: DC-500 MHz
RF Input Power: 1 Watt
RF Connectors: BNC, N, SMA, TNC
Documentation: Data Sheet | Drawing -
Manual Attenuator DC-3.6GHz 0-10dB x 1dB | 50R-408
JFW Model #: 50R-408
Type: Manually variable attenuator
Impedance: 50 Ohm
dB Total: 10 dB
dB Step: 1 dB
Frequency Range: DC-3600 MHz
RF Input Power: 2 Watts
RF Connectors: SMA
Documentation: Data Sheet | Drawing | Panel Mount -
Manual Attenuator DC-2200 MHz 0-60dB x 10dB | 75R-089
JFW Model #: 75R-089
Type: Manually variable attenuator
Impedance: 75 Ohm
dB Total: 60 dB
dB Step: 10 dB
Frequency Range: DC-2200 MHz
RF Input Power: 1 Watt
RF Connectors: BNC, F, N
Documentation: Data Sheet | Drawing (BNC) | Drawing (F) | Drawing (N) | Mounting -
Manual Attenuator DC-1000 MHz 0-70dB x 10dB | 75R-055
JFW Model #: 75R-055
Type: Manually variable attenuator
Impedance: 75 Ohm
dB Total: 70 dB
dB Step: 10 dB
Frequency Range: DC-1000 MHz
RF Input Power: 1 Watt
RF Connectors: BNC, F, N
Documentation: Data Sheet | Drawing (BNC) | Drawing (F) | Drawing (N) | Mounting -
Manual Attenuator DC-1000 MHz 0-70dB x 1dB | 75DR-009
JFW Model #: 75DR-009
Type: Manually variable attenuator
Impedance: 75 Ohm
dB Total: 70 dB
dB Step: 1 dB
Frequency Range: DC-1000 MHz
RF Input Power: 1 Watt
RF Connectors: BNC, F, N
Documentation: Data Sheet | Drawing (BNC) | Drawing (N) | Drawing (F)| Knob/Mounting