PMI Model No. 2SFB-8G26G-CD-SFF Rev C is a 2 channel switch filter bank providing a low-pass filter that passes 8.62 to 8.70 GHz with a rejection band of 17.24 to 17.4 GHz.  In by-pass mode the unit passes signals from 8.0 to 26.5 GHz.  This unit is powered by a +5 V single supply and the control logic is TTL/CMOS +5V compatible.   The unit has SMA Female connectors in a nickel plated housing measuring 1.5" x 0.8" x 0.5". 

  • PassBand:

                        Frequency Range:  8.62 to 8.70 GHz
                        Insertion Loss:  5.5 dB Max - Measured 4.53 dB

                        Flatness: 1.0 dB Max Peak-Peak - Measured 0.1 dB

                        Isolation of RF Input from Power and Control Inputs:

                        50 dB Min (Between 8.0 and 26.5 GHz) - Measured >50 dB
                        VSWR:  2.0:1 Max across frequency range - Measured 1.45:1

                        Group Delay:  1 ns Max (goal)

  • Reject Band:
                Frequency Band:  17.24 to 17.4 GHz
                Rejection: 20 dB Min - Measured 40.77 dB
  • Bypass:
                Frequency Range:  8.0 to 26.5 GHz
                Insertion Loss:  5.0 dB Max within ±2.0 dB of Max pass-band IL - Measured 0.3 dB
  • VSWR:  2.0:1 Max across frequency range - Measured 1.97:1
  • Input Power Handling (No Damage): +20 dBm CW Max (powered and unpowered)
  • Input IP3 (pin = 10 dBm, DeltaF = 2 MHz):  +27 dBm Max, +32 dBm Typ
  • Voltage: +5V ± 5% @ 100 mA Max - Measured 42 mA@+5V +5V ± 5% @ 100 mA
  • Logic Input:  TTL/CMOS +5V Compatible

PMI Website Link: http://www.pmi-rf.com/products/filters/2SFB-8G26G-CD-SFFRevC.htm 

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