50 Ohm relay programmable attenuator SMA female DC-1000MHz attenuation range 0 to 95dB by 1dB steps

50 Ohm Relay Programmable Attenuator with SMA female and Attenuation Range 0 to 95dB by 1dB steps50 Ohm Relay Programmable Attenuators

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 electro-mechanical relay design.  The attenuation steps are controlled parallel control lines.  JFW has been designing, manufacturing, and delivering programmable attenuators for over 25 years.  For your specific application, please contact JFW for assistance or use our Inquiry Form.

Control Lines

The attenuators are available with either TTL or direct Voltage control. For direct Voltage control the DC voltages are typically +12Vdc, +15Vdc, +24Vdc, or +28Vdc.  These DC Voltages are applied to the control feedthru pins to activate an attenuation step. With no control applied the relay is failsafe to the thru path setting (i.e. 0dB). Activate multiple dB steps simultaneously to set combination attenuation values.  Example: to achieve 7dB of total attenuation activate the 1dB/2dB/4dB steps simultaneously.

Frequently Asked Questions

JFW Model #ImpedancedB TotaldB StepFrequency StartFrequency StopSwitching SpeedRF Input PowerControlRF Connectors
50P-003350 Ohm10 dB1 dBDC1500 MHz6 mS2 Watt+12 VdcBNC, N, SMA, TNC
50P-003450 Ohm100 dB10 dBDC1500 MHz6 mS1 Watt+12 VdcBNC, N, SMA, TNC
50P-053150 Ohm127 dB1 dBDC1500 MHz6 mS1 Watt+12 VdcBNC, N, SMA, TNC
50P-054250 Ohm10 dB1 dBDC2800 MHz6 mS2 Watt+12 VdcBNC, N, SMA, TNC
50P-059150 Ohm85 dB1 dBDC3000 MHz6 ms1 Watt+12 VdcN, SMA
50P-097550 Ohm63 dB1 dBDC1000 MHz6 mS0.5 Watt+12 VdcBNC, N, SMA, TNC
50P-112650 Ohm31.5 dB0.5 dBDC1000 MHz6 mS1 Watt+12 VdcBNC, N, SMA, TNC
50P-112850 Ohm63.75 dB0.25 dBDC2000 MHz6 mS0.5 Watt+12 VdcSMA
50P-113950 Ohm1.5 dB0.1 dBDC2000 MHz6 mS1 Watt+12 VdcSMA
50P-117950 Ohm15 dB1 dBDC2000 MHz6 mS1 Watt+12 VdcSMA
50P-120750 Ohm63 dB1 dBDC2500 MHz6 mS0.5 WattTTLBNC, N, SMA, TNC
50P-120850 Ohm15 dB1 dBDC2500 MHz6 mS0.5 Watt+12 VdcBNC, N, SMA, TNC
50P-120950 Ohm15.5 dB0.5 dBDC2500 MHz6 mS0.5 Watt+12 VdcBNC, N, SMA, TNC
50P-121050 Ohm31 dB1 dBDC2500 MHz6 mS0.5 Watt+12 VdcBNC, N, SMA, TNC
50P-121150 Ohm31.5 dB0.5 dBDC2500 MHz6 mS0.5 Watt+12 VdcBNC, N, SMA, TNC
50P-121250 Ohm63 dB1 dBDC2500 MHz6 mS0.5 Watt+12 VdcBNC, N, SMA, TNC
50P-122450 Ohm63.5 dB0.5 dBDC3000 MHz6 mS1 Watt+12 VdcSMA
50P-149950 Ohm15 dB1 dBDC500 MHz6 mS2 Watt+12 VdcBNC, N, SMA, TNC
50P-163350 Ohm64.5 dB0.1 dBDC1000 MHz6 mS1 Watt+12 VdcBNC, N, SMA, TNC
50P-168350 Ohm70 dB10 dBDC2500 MHz6 mS0.5 Watt+12 VdcBNC, N, SMA, TNC
50P-170550 Ohm64.5 dB0.1 dBDC200 MHz6 mS1 Watt+12 VdcBNC, N, SMA, TNC
50P-171450 Ohm128.5 dB0.1 dBDC100 MHz6 mS1 Watt+12 VdcN, SMA, TNC
50P-184950 Ohm63 dB1 dBDC2700 MHz10 mS10 Watt+12 VdcBNC, N, SMA, TNC
50P-193050 Ohm63 dB1 dBDC200 MHz6 mS10 WattTTLBNC, N, SMA, TNC
50P-194150 Ohm15 dB1 dBDC3000 MHz10 mS10 Watt+12 VdcBNC, N, SMA, TNC
50P-195350 Ohm120 dB10 dBDC2500 MHz6 mS1 Watt+12 VdcBNC, N, SMA, TNC
50P-197450 Ohm127 dB1 dBDC250 MHz6 mS2 Watt+12 VdcBNC, N, SMA, TNC
50P-197550 Ohm127 dB1 dBDC500 MHz6 mS2 Watt+12 VdcBNC, N, SMA, TNC
50P-197650 Ohm127 dB1 dBDC1000 MHz6 mS2 Watt+12 VdcBNC, N, SMA, TNC
50P-197850 Ohm63 dB1 dBDC2700 MHz6 mS2 Watt+12 VdcSMA
50P-203350 Ohm1.5 dB0.1 dBDC1000 MHz6 mS1 Watt+12 VdcN, SMA, TNC