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75 Ohm Relay Programmable Attenuators

JFW’s online 75 Ohm relay programmable attenuator models are listed in the table below. The relay programmable attenuator specifications are sortable for easy model selection. If you can’t find a standard programmable step attenuator model to meet your requirements, please contact JFW at sales@jfwindustries.com. With a wide variety of attenuation ranges and attenuation step sizes, JFW has solutions to fit your specific programmable step attenuator applications.

Whether you call them relay attenuators, step attenuators, programmable step attenuators, or relay programmable attenuators, JFW has been designing, manufacturing, and delivering relay programmable attenuators for over 25 years. We specialize in solid-state and relay programmable attenuators for applications from benchtop RF testing to computer controlled automated RF testing.

Frequently Asked Questions

Click the column headers to sort our online models. For your specific application, please contact JFW for assistance or use our Inquiry Form.

JFW Model #ImpedancedB TotaldB StepFrequency StartFrequency StopSwitching SpeedRF Input PowerControlRF Connectors
75P-02275 Ohms63 dB1 dB0 MHz (DC)1000 MHz6 mS1 Watt+12 VdcBNC, F, N
75P-03375 Ohms127 dB1 dB0 MHz (DC)1000 MHz6 mS1 Watt+12 VdcBNC, F, N
75P-08975 Ohms63.75 dB0.25 dB0 MHz (DC)500 MHz6 mS1 Watt+12 VdcBNC, F, N
75P-09375 Ohms110 dB10 dB0 MHz (DC)1000 MHz6 mS1 Watt+12 VdcBNC, F, N
75P-11975 Ohms63 dB1 dB0 MHz (DC)1000 MHz6 mS1 WattTTLBNC, F
75P-13575 Ohms25.5 dB0.1 dB0 MHz (DC)1000 MHz10 mS0.5 WattsTTLBNC, F, N, TNC
75P-15475 Ohms63.75 dB0.25 dB0 MHz (DC)1000 MHz10 mS0.5 WattsTTLBNC, F, N, TNC
75P-15575 Ohms95.5 dB0.5 dB0 MHz (DC)1000 MHz10 mS0.5 WattsTTLBNC, F, N, TNC
75P-15775 Ohms95.5 dB0.5 dB0 MHz (DC)1000 MHz6 mS0.5 Watts+12 VdcBNC, F, N, TNC
75P-16375 Ohms63.75 dB0.25 dB0 MHz (DC)1000 MHz6 mS0.5 Watts+12 VdcBNC, F, N, TNC
75P-18075 Ohms64.5 dB0.1 dB0 MHz (DC)1000 MHz10 mS0.5 WattsTTLBNC, F, N, TNC
75P-18675 Ohms31 dB1 dB0 MHz (DC)1000 MHz6 mS0.5 Watts+12 VdcBNC, F
75P-19875 Ohms31 dB1 dB0 MHz (DC)1218 MHz6 mS0.5 Watts+12 VdcBNC, F, N, TNC
75P-19975 Ohms95 dB1 dB0 MHz (DC)2150 MHz10 mS0.5 Watts+12 VdcF
75P-20075 Ohms63 dB1 dB0 MHz (DC)2150 MHz10 mS0.5 Watts+12 VdcF
75P-20175 Ohms95.5 dB0.5 dB0 MHz (DC)1218 MHz6 mS0.5 Watts+12 VdcBNC, F, N, TNC
75P-20375 Ohms95 dB1 dB0 MHz (DC)1218 MHz6 mS0.5 Watts+12 VdcBNC, F, N, TNC

The programmable attenuator models listed in the table are only our online models. JFW has over 2045 different models of programmable attenuators. If you can’t find a model in the table that fits your exact 75 Ohm relay programmable attenuator requirement, please contact JFW. We do not charge NRE’s for new 75 Ohm relay programmable attenuator models. We pride ourselves in the ability to offer custom programmable step attenuator models with the same pricing and delivery as our catalog programmable step attenuator models. Send in a request with a list of your required RF specifications and JFW will design a 75 Ohm relay programmable attenuator model that meets your specific requirements. Relay step attenuators are controlled with DC voltages (+5Vdc, +12Vdc, +15Vdc, +24Vdc, +28Vdc, etc.) applied to the control pins. JFW can also provide our relay step attenuators with TTL control and a DC connector.

Over 20 years ago JFW moved from making just programmable attenuators to also making RF test systems. Since JFW manufactures relay programmable attenuators, we are able to use our own 75 Ohm relay programmable attenuators inside of our RF test systems. That allows JFW to design and manufacture custom programmable attenuator test systems with no NRE’s and quick delivery times. Send us a block diagram of your programmable attenuator assembly and JFW will respond with a ROM quote (rough order of magnitude) quote in 1-2 days. Please visit our test systems web page for more details on all of the RF test systems that JFW offers.

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