Series SA-218 Switched Bit Attenuator 2 to 18 GHz

 

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Application Notes for Microwave Attenuators

PERFORMANCE CHARACTERISTICS

 

 MODEL

SA-218-1-25
Frequency Range, min (GHz) 2-18(1)
Attenuation Range, min (dB) 25 (2)
 Insertion Loss, max (dB)  2.6 
VSWR, max 2.0:1
Number of Bits 1
LSB, max (dB) 25
Monotonicity Guaranteed 
Accuracy of Mean Attenuation, max (dB)
±  0.5
Attenuation Flatness, max (dB) ±  1.5
Power Handling, max (dBm) + 23
Switching Time, max (nsec) 30
Rise and Fall Time, max (nsec)  20
Switching Rate, max (MHz) 4.0
Control Logic ‘1’ = I.Loss
‘0’ = Att.
 
Control Input TRUE TTL GATE 
Power Supply Requirements +5V ± 2% @ 60 mA
-12V ± 2% @ 60 mA
Environmental Conditions  

Package Type

 DC 11
   

 

NOTES

  • Performance can be optimized for a narrower bandwidth
  • Attenuation range can be customized.
 PIN FUNCTIONS
PIN
Designations

E1
E2
E3
E4
E5
E6
E7
E8
+ V
- V
G
25 dB
-
-
-
-
-
-
-
+ 5V
- 12V
GND
 

       
 
 
   
 
 
   Package TYPE & DIMENSIONS
 
    
 
  Series SA-218 switched bit attenuator package type and dimensions