ELCOM SYSTEMS, INCORPORATED

COAXIAL FIXED ATTENUATOR MODEL - AT-75 & MODEL - AT-90

SPECIFICATIONS:                   AT-75 ATTENUATOR                                   AT-90 ATTENUATOR

FREQUENCY RANGE ..............    DC to 1500 MHz            DC to 750 MHz            DC to 750 MHz

IMPEDANCE ....................    75 OHMS                                            93 OHMS

ATTENUATION ..................    2,3,5,6,7,10,14,20 dB     30 dB                    2,3,6,10,20 dB

ACCURACY .....................    DC to 1000 MHz ± 0.5 dB   DC to 500 MHz ± 0.75 dB  DC to 500 MHz ± 0.5 dB
                                  1000 to 1500 MHz ± 1.0 dB 500 to 750 MHz ± 1.5 dB  500 to 750 MHz ± 1 dB

VSWR .........................    1.2:1 NOM.,               1.2 NOM., 2:1            1.2:1 NOM.,
                                  1.25:1 at 500 MHz         at 750 MHz               1.35:1 at 500 MHz
                                  1.5:1 at 1000 MHz                                  1.5:1 at 750 MHz
                                  2:1 at 1500 MHz

MAXIMUM POWER
 DISSIPATION AT 70 ° C ...        0.5 WATT CW, 500 WATTS PEAK

OPERATING TEMP. RANGE ........    -25 ° to +85 ° C (See Note 1)

STORAGE TEMP. RANGE ..........    -55 ° to +125 ° C

CONNECTORS ...................    BNC/M-BNC/F, TNC/M-TNC/F,
                                  N/M-N/F, SMA/M-SMA/F

SIZE .........................    SEE PAGE 35 

AVAILABILITY .................    STOCK TO 30 DAYS ARO

ORDERING DATA ................    MODEL-ATTEN. (dB)/CONN. TYPE
                                  AT-75-6          /BNC

Note 1:  USABLE -55 ° to
         +100 ° C. .......        FABRICATED FROM MIL SPEC OR COMMERCIAL COMPONENTS.
                                  SPECIALS AVAILABLE, I.E. 1/2 dB STEPS, CONSULT FACTORY.
                                  ALL UNITS MATE WITH 50 OHM CONN. EXCEPT FOR TYPE N
                                  WHICH MATE WITH 75 OHM CONN.