Application Notes for Microwave Attenuators
PERFORMANCE CHARACTERISTICS
|
MODEL |
SA-26-1-25 | SA-26-2-5 | SA-26-3-1 |
| Frequency Range, min (GHz) | 2-6 (1) |
2-6 (1) | 2-6 (1) |
| Attenuation Range, min (dB) | 25 (2) | 15 (2) | 7 (2) |
| Insertion Loss, max (dB) | 2.0 | 2.5 | 3.2 |
| VSWR, max | 1.8:1 | 1.8:1 | 1.8:1 |
| Number of Bits | 1 | 2 | 3 |
| LSB (dB) | 25 | 5 |
1 |
| Monotonicity | Guaranteed | ||
|
Accuracy of Mean
Attenuation, max (dB)
|
±0.5 |
± 3 |
± 3 |
| Attenuation Flatness, max (dB) | ± 1.0 dB |
± 0.3 @ 0 dB to 10 dB ± 0.9 @ >10 dB to 15 dB |
± 0.3 |
| Power Handling, max (dBm) | + 23 | + 23 |
+ 23 |
| Switching Time, max (ns) | 30 | 30 | 30 |
| Switch Rate, max (MHz) | 4.0 |
4.0 | 4.0 |
| Control Logic | ‘1’ = I.Loss ‘0’ = Att. |
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| Control Input | TRUE TTL GATE | ||
| Power Supply Requirements | +5V ± 2% @ 60 mA -12V ± 2% @ 60 mA |
+5V ± 2% @ 110 mA -12V ± 2% @ 75 mA |
+5V ± 2% @ 180 mA -12V ± 2% @ 130 mA |
| Environmental Conditions |  |
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|
Package Type |
DC 11 | DC 12 | DC 13 |
PERFORMANCE CHARACTERISTICS
|
MODEL |
SA-26-6-1 | SA-26-7-1 | SA-26-8-0.25 |
| Frequency Range, min (GHz) | 2-6 (1) |
2-6 (1) | 2-6 (1) |
| Attenuation Range, min (dB) | 63 (2) | 81 (2) | 63.75 (2) |
| Insertion Loss, max (dB) | 5.0 | 5.5 | 6.5 |
| VSWR, max | 2.0:1 | 2.0:1 | 2.0:1 |
| Number of Bits | 6 | 7 | 8 |
| LSB, max (dB) | 1 | 1 |
0.25 |
| Monotonicity | Guaranteed | ||
|
Accuracy of Mean
Attenuation, max (dB)
|
± 0.5 @ 0dB to 15 dB ± 0.75 @>15dB to 31dB ± 1.0 @> 31dB to 63 dB |
± 0.5 @ 0dB to 21dB ± 1.0 @ >21dB to 41dB ± 1.5 @ >41dB to 81dB |
± 0.5 @ 0dB to 21dB ± 1.0 @ >21dB to 41dB ± 1.5 @ >41 to 63.75dB |
| Attenuation Flatness, max (dB) | ± 0.5 @ 0dB to 15dB ± 0.75 @ >15dB to 32dB ± 1.0 @ >32dB to 63 dB |
± 0.5 @ 0dB to 21dB ± 0.75 @ >21dB to 41dB ± 1.25 @ >41dB to 81dB |
± 0.5 @ 0dB to 21dB ± 0.75 @ >21dB to 41dB ± 1.25 @ >41 to 63.75dB |
| Power Handling, max (dBm) | + 23 | + 23 |
+ 23 |
| Switching Time, max (ns) | 30 | 100 | 100 |
| Switch Rate, max (MHz) | 4.0 |
4.0 | 4.0 |
| Control Logic | ‘1’ = I.Loss ‘0’ = Att. |
‘1’ = I.Loss ‘0’ = Att. |
‘1’ = I.Loss ‘0’ = Att. |
| Control Input | TRUE TTL GATE | ||
| Power Supply Requirements | +5V ± 2% @ 300 mA |
+5V ± 2% @ 400 mA |
+5V ± 2% @ 450 mA |
| Environmental Conditions | |
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|
Package Type |
DC 2 | DC 17 | DC 18 |
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NOTES (1) Performance can be optimized for a narrower bandwidth.
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Tolerances, unless otherwise indicated: .XX ±.05
The information contained in this data sheet is basic marketing information and does not contain any export controlled information.