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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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 -
50 Ohm Rocker Attenuator DC-1000 MHz 0-65dB x 1dB | 50RA-004
JFW Model #: 50RA-004
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 -
50 Ohm Toggle Attenuator DC-850 MHz 0-65dB x 1dB | 50TA-006
JFW Model #: 50TA-006
Type: Manually variable attenuator
Impedance: 50 Ohm
dB Total: 65 dB
dB Step: 1 dB
Frequency Range: DC-850 MHz
RF Input Power: 0.5 Watts
RF Connectors: BNC, N, SMA, TNC
Documentation: Data Sheet |Drawing -
50 Ohm Toggle Attenuator DC-850 MHz 0-45.5dB x 0.5dB | 50TA-007
JFW Model #: 50TA-007
Type: Manually variable attenuator
Impedance: 50 Ohm
dB Total: 45.5 dB
dB Step: 0.5 dB
Frequency Range: DC-850 MHz
RF Input Power: 0.5 Watts
RF Connectors: BNC, N, SMA, TNC
Documentation: Data Sheet |Drawing -
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 -
75 Ohm Toggle Attenuator DC-500 MHz 0-45.5dB x 0.5dB | 75TA-007
JFW Model #: 75TA-007
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: 0.5 Watts
RF Connectors: BNC, F, N
Documentation: Data Sheet |Drawing -
Manual Attenuator DC-500 MHz 0-70dB x 10dB | 75R-001
JFW Model #: 75R-001
Type: Manually variable attenuator
Impedance: 75 Ohm
dB Total: 70 dB
dB Step: 10 dB
Frequency Range: DC-500 MHz
RF Input Power: 1 Watt
RF Connectors: BNC, F, N
Documentation: Data Sheet | Drawing (BNC) | Drawing (F) | Drawing (N) | Mounting -
Manual Attenuator DC-500 MHz 0-10dB x 1dB | 75R-002
JFW Model #: 75R-002
Type: Manually variable attenuator
Impedance: 75 Ohm
dB Total: 10 dB
dB Step: 1 dB
Frequency Range: DC-500 MHz
RF Input Power: 1 Watt
RF Connectors: BNC, F, N
Documentation: Data Sheet | Drawing (BNC) | Drawing (F) | Drawing (N) | Mounting -
Manual Attenuator DC-500 MHz 0-1dB x 0.1dB | 75R-006
JFW Model #: 75R-006
Type: Manually variable attenuator
Impedance: 75 Ohm
dB Total: 1 dB
dB Step: 0.1 dB
Frequency Range: DC-500 MHz
RF Input Power: 1 Watt
RF Connectors: BNC, F
Documentation: Data Sheet | Drawing (BNC) | Drawing (F) | Mounting -
Manual Attenuator DC-2200 MHz 0-10dB x 1dB | 75R-050
JFW Model #: 75R-050
Type: Manually variable attenuator
Impedance: 75 Ohm
dB Total: 10 dB
dB Step: 1 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-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 0-10dB x 1dB | 75R-056
JFW Model #: 75R-056
Type: Manually variable attenuator
Impedance: 75 Ohm
dB Total: 10 dB
dB Step: 1 dB
Frequency Range: DC-1000 MHz
RF Input Power: 1 Watt
RF Connectors: BNC, F
Documentation: Data Sheet | Drawing (BNC) | Drawing (F) | Mounting -
Manual Attenuator DC-1000 MHz 0-1dB x 0.1dB | 75R-057
JFW Model #: 75R-057
Type: Manually variable attenuator
Impedance: 75 Ohm
dB Total: 1 dB
dB Step: 0.1 dB
Frequency Range: DC-1000 MHz
RF Input Power: 1 Watt
RF Connectors: BNC, F
Documentation: Data Sheet | Drawing (BNC) | Drawing (F) | Mounting -
50 Ohm Benchtop Attenuator DC-2.2 GHz 0-80dB x 1dB | 50BR-008
JFW Model #: 50BR-008
Type: Manually variable attenuator
Enclosure: Benchtop L-bracket
Impedance: 50 Ohm
dB Total: 80 dB
dB Step: 1 dB
Frequency Range: DC-2200 MHz
RF Input Power: 2 Watts
RF Connectors: BNC, N, SMA
Documentation: Data Sheet | Drawing