7728a 6-18ghz 360° sma 数控移相器 射频射频微波微波数字移相器 7728a 6-18ghz 360° sma digital phase shifter /translator 官网资料 environmental ratings operating temperature range ............................ –54°c to +100°c non-operating temperature range ...... –65°c to +125°c humidity ........................... mil-std-202f, method 103b, cond. b (96 hrs. at 95%) shock ................................ mil-std-202f, method 213b, cond. b (75g, 6 msec) vibration ........................... mil-std-202f, method 204d, cond. b (.06" double amplitude or 15g, whichever is less) altitude ............................. mil-std-202f, method 105c, cond. b (50,000 ft.) temp. cycling .................. mil-std-202f, method 107d, cond. a, 5 cycles accessory furnished mating power/control connector available options option no. deion 7 two sma male rf connectors 10 one sma male (j2) and one sma female (j1) rf connector dimensional 7728a main band 6.0-18.0 stretch band 6.0-18.0 12.0 db 2.0 ±12° ±15° ±1.1 db ±2.0 db other specifications switching speed (50% ttl to within 10° of final phase value); 500 nsec max. minimum phase shift range: 77: 360° in 1024 steps (1o-bit) 78: 360° @ 60°/volt frequency translator specifications translation rate (min.) carrier(1) suppression (min.) sideband(1) suppression (min.) insertion loss variation (max.) with translation rate: 0 to 500 khz(2) main band: 25 db stretch band: 18 db main band: 20 db stretch band: 15 db 200 khz: 1 db 500 khz: 3 db notes: (1) when operating as a phase shifter outside the main band frequency range, a ttl low (0) applied to the j3 power/control connector freq. correction pin (pin 3) will result in stretch band frequencies exhibiting enhanced performance characteristics. the resultant insertion loss, accuracy and pm/am specifications will be the same as those shown for the main band frequency range. when using the unit as a frequency translator, similar enhanced performance can be achieved for carrier & sideband suppression. (2) all specifications are met using five or more most significant bits for 0 to 200 khz translation rates. for 201-500 khz translation rates, only the four most significant bits are used. typical performance