Series SA-618 Switched-Bit Attenuators 6-18 GHz Specifications

        
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Application Notes for Microwave Attenuators

PERFORMANCE CHARACTERISTICS
 

 MODEL

SA-618-2-5 SA-618-3-1  SA-618-6-1
Frequency Range, min (GHz) 6-18 (1)
6-18 (1) 6-18 (1)
Attenuation Range, min (dB) 15.0  (2) 7.0 (2) 63 (2)
Insertion Loss, max (dB)  4.5   6.5   13  
VSWR, max 2.0:1 2.0:1 2.0:1
Number of Bits 2 3 6
LSB, max (dB) 5 1
1  
Monotonicity Guaranteed 
Accuracy of Mean Attenuation, max (dB)
± 1.0 ± 0.5
±  0.6 @ 0dB to 15dB
±  1.0 @ >15dB to 32dB
± 1.5 @ >32dB to 63dB
 
Attenuation Flatness, max (dB) ±  0.6 @ 5 dB
± 1.0 @ 10 dB
± 1.5 @ 15 dB
± 0.75 
± 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% @ 110 mA
-12V ± 2% @ 75 mA
+5V ± 2% @ 200 mA
-12V ± 5% @ 150 mA
+5V ± 2% @ 450 mA
-12V ± 2% @ 250 mA
Environmental Conditions  

Package Type

 DC 12  DC 13  DC 22
 

 

NOTES

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

SA-618-2-5 SA-618-3-1  SA-618-6-1
E1
E2
E3
E4
E5
E6
E7
E8
+ V
- V
G
5 dB
10 dB
-
-
-
-
-
-
+ 5V
- 12V
GND
1 dB
2 dB
4 dB
-
-
-
-
-
+ 5V
- 12V
GND
1 dB
2 dB
4 dB
8 dB
16 dB
32 dB
-
-
+ 5V
- 12V
GND
 

       
 
 
   
  
 
 
   Package TYPE & DIMENSIONS
 
    
 
  Series SA-618 attenuator package type and dimensions diagram     Series SA-618 attenuator package type and dimensions diagram
     
   Series SA-618 attenuator package type and dimensions diagram