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General
Information Glossary of Electrical Specifications Programmable Attenuators |
Model 4550 |
Key Benefits
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General Specifications |
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Maximum Input Power:
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Control Voltage: Attenuation Inserted (4500 Series): 12 volts, 140 milliwatts per step, (Optional volts: 5).Attenuation Out: 0 to 5 volts. |
Connectors: BNC standard, (Options: SMA, TNC) |
Impedance: 50 ohm |
Weight:
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Switch Speed: 6 milliseconds per step |
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Switch Life: 10,000,000 operations per step |
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Steps | Model Number | A | B w/BNC | C |
| 5 | 4540 | 3.385 | 4.375 | 1.724 | |
| 6 | 4580 | 3.835 | 4.925 | 2.299 | |
| 8 | 4550 1/4550 |
4.975 | 6.075 | 3.449 |
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Model |
4540 |
4550 | 1/4550 | 4580 |
|---|---|---|---|---|
| Frequency Range (MHz) | DC-500 | DC-500 | DC-500 | DC-500 |
| Attenuation Range (dB) | 0-130 | 0-127 | 0-16.5 | 0-63 |
| Minimum Steps (dB) | 10 | 1 | .1 | 1 |
| Attenuation Pad Values (dB) | 10,20,30,70 | 1,2,4,8, 16,32,64 |
.1,.2,.4,.8, 1,2,4,8 |
1,2,4,8,16,32 |
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Insertion Loss |
0.7 | 1.0 | 1.0 | 0.8 |
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250-500 MHz |
1.4 | 2.5 | 2.5 | 1.7 |
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VSWR |
1.2:1 | 1.2:1 | 1.2:1 | 1.2:1 |
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250-500 MHz |
1.3:1 | 1.3:1 | 1.3:1 | 1.3:1 |
| Attenuation Accuracy Per Step (+ or - dB) |
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.1-.8 dB Steps |
---- | ---- | 0.1 | ---- |
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250-500 MHz |
---- | ---- | 0.2 | ---- |
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1-8 dB Steps |
---- | 0.1 | 0.1 | 0.1 |
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250-500 MHz |
---- | 0.2 | 0.3 | 0.2 |
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10 dB
Steps |
0.1 | ---- | ---- | ---- |
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250-500 MHz |
0.2 | ---- | ---- | ---- |
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16 dB Steps |
---- | 0.1 | ---- | 0.1 |
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250-500 MHz |
---- | 0.3 | ---- | 0.3 |
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20 dB
Steps |
0.1 | ---- | ---- | ---- |
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250-500 MHz |
0.3 | ---- | ---- | ---- |
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30 dB steps |
0.2 | ---- | ---- | ---- |
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250-500 MHz |
0.3 | ---- | ---- | ---- |
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32 dB Steps |
---- | 0.2 | ---- | 0.2 |
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250-500 MHz |
---- | 0.4 | ---- | 0.4 |
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64 dB Steps |
---- | 0.3 | ---- | ---- |
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250-500 MHz |
---- | 1.0 | ---- | ---- |
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70 dB Steps |
0.3 | ---- | ---- | ---- |
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250-500 MHz |
1.0 | ---- | ---- | ---- |
BNC connectors are standard on all models.
SMA and TNC connectors are available as options.
| Quantity (with BNC connectors) |
Quantity (with SMA connectors) |
Quantity (with TNC connectors) |
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| Model | 1 | 2-9 | 10-24 | 1 | 2-9 | 10-24 | 1 | 2-9 | 10-24 |
| 4540 | $264 | $240 | $226 | $279 | $255 | $241 | $279 | $255 | $241 |
| 4550 | $342 | $324 | $294 | $357 | $339 | $309 | $357 | $339 | $309 |
| 1/4550 | $342 | $324 | $294 | $357 | $339 | $309 | $357 | $339 | $309 |
| 4580 | $288 | $264 | $238 | $303 | $279 | $253 | $303 | $279 | $253 |
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