50 Ohm Solid-State Programmable Attenuators (TTL)
A programmable attenuator is a variable attenuator with a specific dB step size and total attenuation. All of the models in this table are 50 Ohm impedance with solid-state design. The attenuation steps are controlled via parallel TTL control lines. JFW has been designing, manufacturing, and delivering programmable attenuators for over 25 years.
Solid-State Design
These attenuator models all have a solid-state design which allows for switching speeds in the microseconds. With no moving parts, these solid-state step attenuators are perfect for automated RF testing. The attenuators have typical MTBF of 250,000 hours and excellent attenuation repeatability.
TTL Control
The models listed in the table have parallel TTL lines for the attenuator control lines. There is a TTL line for each attenuation step. Activate multiple dB steps simultaneously to set combination attenuation values. Example: to achieve 7dB of total attenuation activate the 1dB/2dB/4dB steps simultaneously.
For your specific application, please contact JFW for assistance.
JFW Model # | Impedance | dB Total | dB Step | Frequency Start | Frequency Stop | Switching Speed | RF Input Power | Control | RF Connectors |
---|---|---|---|---|---|---|---|---|---|
50P-1851 | 50 Ohm | 63.5 dB | 0.5 dB | 200 MHz | 6000 MHz | 3 uS | +28 dBm | TTL | SMA |
50P-1853 | 50 Ohm | 63 dB | 1 dB | 200 MHz | 6000 MHz | 3 uS | +27 dBm | TTL | SMA |
50P-1855 | 50 Ohm | 31.5 dB | 0.5 dB | 200 MHz | 6000 MHz | 3 uS | +27 dBm | TTL | SMA |
50P-1857 | 50 Ohm | 95 dB | 1 dB | 200 MHz | 6000 MHz | 4 uS | +27 dBm | TTL | SMA |
50P-1867 | 50 Ohm | 31.75 dB | 0.25 dB | 30 MHz | 3000 MHz | 3 uS | +27 dBm | TTL | SMA |
50P-1891 | 50 Ohm | 63.5 dB | 0.5 dB | 30 MHz | 3000 MHz | 4 uS | +27 dBm | TTL | SMA |
50P-1893 | 50 Ohm | 63 dB | 1 dB | 30 MHz | 3000 MHz | 3 uS | +27 dBm | TTL | SMA |
50P-1897 | 50 Ohm | 95 dB | 1 dB | 30 MHz | 3000 MHz | 4 uS | +27 dBm | TTL | SMA |
50P-2037 | 50 Ohm | 127 dB | 1 dB | 30 MHz | 3000 MHz | 4 uS | +27 dBm | TTL | SMA |
50P-2072 | 50 Ohm | 31 dB | 1 dB | 100 MHz | 40000 MHz | 0.5 uS | +20 dBm | TTL | 2.9 mm |
50P-2101 | 50 Ohm | 63 dB | 0.5 dB | 100 MHz | 18000 MHz | 1 uS | +24 dBm | TTL | SMA |
50P-1984 | 50 Ohm | 95.5 dB | 0.5 dB | 200 MHz | 6000 MHz | 4 uS | +27 dBm | TTL | SMA |
50P-2099 | 50 Ohm | 63 dB | 0.5 dB | 200 MHz | 8400 MHz | 1 uS | +24 dBm | TTL | SMA |
50P-2109 | 50 Ohm | 95 dB | 1 dB | 200 MHz | 8400 MHz | 1 uS | +24 dBm | TTL | SMA |
50P-2063 | 50 Ohm | 31.75 dB | 0.25 dB | 1 MHz | 3000 MHz | 3 uS | +18 dBm | TTL | SMA |
50P-2130 | 50 Ohm | 95 dB | 1 dB | 1 MHz | 1000 MHz | 4 uS | +18 dBm | TTL | SMA |
50P-2070 | 50 Ohm | 63.75 dB | 0.25 dB | 30 MHz | 3000 MHz | 4 uS | +27 dBm | TTL | SMA |
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Programmable Attenuator 30-3000 MHz 0-63.75dB x 0.25dB | 50P-2070
JFW Model #: 50P-2070
Type: Solid-State Programmable Attenuator
Impedance: 50 Ohm
dB Total: 63.75 dB
dB Step: 0.25 dB
Frequency Range: 30-3000 MHz
Switching Speed: 4 uSec
RF Input Power: +27 dBm
Control: TTL
RF Connectors: SMA
Documentation: Data Sheet | Drawing -
Programmable Attenuator 1-1000 MHz 0-95dB x 1dB | 50P-2130
JFW Model #: 50P-2130
Type: Solid-State Programmable Attenuator
Impedance: 50 Ohm
dB Total: 95 dB
dB Step: 1 dB
Frequency Range: 1-1000 MHz
Switching Speed: 4 uS
RF Input Power: +18 dBm
Control: TTL
RF Connectors: SMA
Documentation: Data Sheet | Drawing -
Programmable Attenuator 1-3000 MHz 0-31.75dB x 0.25dB | 50P-2063
JFW Model #: 50P-2063
Type: Solid-State Programmable Attenuator
Impedance: 50 Ohm
dB Total: 31.75 dB
dB Step: 0.25 dB
Frequency Range: 2-3000 MHz
Switching Speed: 3 uS
RF Input Power: +18 dBm (1 MHz), +27 dBm (12-3000 MHz)
Control: TTL
RF Connectors: SMA
Documentation: Data Sheet | Drawing -
Programmable Attenuator 0.2-8.4 GHz 0-95dB x 1dB | 50P-2109
JFW Model #: 50P-2109
Type: Solid-State Programmable Attenuator
Impedance: 50 Ohm
dB Total: 95 dB
dB Step: 1 dB
Frequency Range: 200-8400 MHz
Switching Speed: 1 uS
RF Input Power: +24 dBm (Input), +15 dBm (Output)
Control: TTL
RF Connectors: SMA
Documentation: Data Sheet | Drawing -
Programmable Attenuator 200-8400 MHz 0-63dB x 0.5dB | 50P-2099
JFW Model #: 50P-2099
Type: Solid-State Programmable Attenuator
Impedance: 50 Ohm
dB Total: 63 dB
dB Step: 0.5 dB
Frequency Range: 200-8400 GHz
Switching Speed: 1 uS
RF Input Power: +24 dBm (Input), +15 dBm (Output)
Control: TTL
RF Connectors: SMA
Documentation: Data Sheet | Drawing -
Programmable Attenuator 200-6000 MHz 0-95.5dB x 0.5dB | 50P-1984
JFW Model #: 50P-1984
Type: Solid-State Programmable Attenuator
Impedance: 50 Ohm
dB Total: 95.5 dB
dB Step: 0.5 dB
Frequency Range: 200-6000 MHz
Switching Speed: 4 uS
RF Input Power: +27 dBm
Control: TTL
RF Connectors: SMA
Documentation: Data Sheet | Drawing -
Programmable Attenuator 0.1-18 GHz 0-63dB x 0.5dB | 50P-2101
JFW Model #: 50P-2101
Type: Solid-State Programmable Attenuator
Impedance: 50 Ohm
dB Total: 63 dB
dB Step: 0.5 dB
Frequency Start: 100 MHz
Frequency Stop: 18 GHz
Switching Speed: 1 uS
RF Input Power: +24 dBm (Input), +15 dBm (Output)
Control: TTL
RF Connectors: SMA
Documentation: Data Sheet | Drawing -
Programmable Attenuator 30-3000 MHz 0-127dB x 1dB | 50P-2037
JFW Model #: 50P-2037
Type: Solid-State Programmable Attenuator
Impedance: 50 Ohm
dB Total: 127 dB
dB Step: 1 dB
Frequency Range: 30-3000 MHz
Switching Speed: 4 uS
RF Input Power: +27 dBm
Control: TTL
RF Connectors: SMA
Documentation: Data Sheet | Drawing -
Programmable Attenuator 0.1-40 GHz 0-31dB x 1dB | 50P-2072
JFW Model #: 50P-2072
Type: Solid-state programmable attenuator
Impedance: 50 Ohm
dB Total: 31 dB
dB Step: 1 dB
Frequency Start: 100 MHz
Frequency Stop: 40 GHz
Switching Speed: 0.5 uS
RF Input Power: +20 dBm
Control: TTL
RF Connectors: 2.9 mm
Documentation: Data Sheet | Drawing -
Programmable Attenuator 30-3000 MHz 0-95dB x 1dB | 50P-1897
JFW Model #: 50P-1897
Type: Solid-State Programmable Attenuator
Impedance: 50 Ohm
dB Total: 95 dB
dB Step: 1 dB
Frequency Range: 30-3000 MHz
Switching Speed: 4 uS
RF Input Power: +27 dBm*
Control: TTL
RF Connectors: SMA
Documentation: Data Sheet | Drawing* Units shipped before 10/5/2017 (date code 1740) are only rated at +20dBm. The JFW date code is a four digit code (YYWW) that follows the six digit serial number. Example: 1908 = 2019, 8th week
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Programmable Attenuator 30-3000 MHz 0-63dB x 1dB | 50P-1893
JFW Model #: 50P-1893
Type: Solid-State Programmable Attenuator
Impedance: 50 Ohm
dB Total: 63 dB
dB Step: 1 dB
Frequency Range: 30-3000 MHz
Switching Speed: 3 uS
RF Input Power: +27 dBm*
Control: TTL
RF Connectors: SMA
Documentation: Data Sheet | Drawing* Units shipped before 8/9/2018 (date code 1832) are only rated at +20dBm. The JFW date code is a four digit code (YYWW) that follows the six digit serial number. Example: 1908 = 2019, 8th week
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Programmable Attenuator 30-3000 MHz 0-63.5dB x 0.5dB | 50P-1891
JFW Model #: 50P-1891
Type: Solid-State Programmable Attenuator
Impedance: 50 Ohm
dB Total: 63.5 dB
dB Step: 0.5 dB
Frequency Range: 30-3000 MHz
Switching Speed: 4 uS
RF Input Power: +27 dBm*
Control: TTL
RF Connectors: SMA
Documentation: Data Sheet | Drawing* Units shipped before 12/29/2017 (date code 1752) are only rated at +20dBm. The JFW date code is a four digit code (YYWW) that follows the six digit serial number. Example: 1908 = 2019, 8th week
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Programmable Attenuator 30-3000 MHz 0-31.75dB x 0.25dB | 50P-1867
JFW Model #: 50P-1867
Type: Solid-State Programmable Attenuator
Impedance: 50 Ohm
dB Total: 31.75 dB
dB Step: 0.25 dB
Frequency Range: 30-3000 MHz
Switching Speed: 3 uS
RF Input Power: +27 dBm*
Control: TTL
RF Connectors: SMA
Documentation: Data Sheet | Drawing* Units shipped before 11/22/2017 (date code 1747) are only rated at +20dBm. The JFW date code is a four digit code (YYWW) that follows the six digit serial number. Example: 1908 = 2019, 8th week
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Programmable Attenuator 200-6000 MHz 0-31.5dB x 0.5dB | 50P-1855
JFW Model #: 50P-1855
Type: Solid-State Programmable Attenuator
Impedance: 50 Ohm
dB Total: 31.5 dB
dB Step: 0.5 dB
Frequency Range: 200-6000 MHz
Switching Speed: 3 uS
RF Input Power: +27 dBm*
Control: TTL
RF Connectors: SMA
Documentation: Data Sheet | Drawing* Units shipped before 10/20/2017 (date code 1742) are only rated at +20dBm. The JFW date code is a four digit code (YYWW) that follows the six digit serial number. Example: 1908 = 2019, 8th week
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Programmable Attenuator 200-6000 MHz 0-63.5dB x 0.5dB | 50P-1851
JFW Model #: 50P-1851
Type: Solid-State Programmable Attenuator
Impedance: 50 Ohm
dB Total: 63.5 dB
dB Step: 0.5 dB
Frequency Range: 200-6000 MHz
Switching Speed: 3 uS
RF Input Power: +28 dBm*
Control: TTL
RF Connectors: SMA
Documentation: Data Sheet | Drawing* Units shipped before 11/9/2016 (date code 1645) are only rated at +20dBm. The JFW date code is a four digit code (YYWW) that follows the six digit serial number. Example: 1908 = 2019, 8th week