Function: DC Block
Description: The BLK-18-S+ is a coaxial DC block designed for broadband performance with low insertion loss and rugged unibody construction. It offers off-the-shelf availability.
Applications:
| Parameter | Frequency (GHz) | Min. | Typ. | Max. | Units |
|---|---|---|---|---|---|
| Frequency Range | 0.01 - 18 | - | - | - | GHz |
| Insertion Loss | 0.01-0.1 | - | 0.02 | 0.2 | dB |
| Insertion Loss | 0.1-1.0 | - | 0.07 | 0.3 | dB |
| Insertion Loss | 1.0-4.0 | - | 0.15 | 0.65 | dB |
| Insertion Loss | 4.0-8.0 | - | 0.38 | 1.0 | dB |
| Insertion Loss | 8.0-18 | - | 1.00 | - | dB |
| Return Loss | 0.01-0.1 | 20 | 26 | - | dB |
| Return Loss | 0.1-1.0 | 20 | 36 | - | dB |
| Return Loss | 1.0-4.0 | 20 | 24 | - | dB |
| Return Loss | 4.0-8.0 | 15 | 18 | - | dB |
| Return Loss | 8.0-18 | - | 12 | - | dB |
| Absolute Maximum Ratings | Ratings |
|---|---|
| Operating Case Temperature | -55 C to +100 C |
| Storage Temperature | -55 C to +100 C |
| DC Input Voltage | 50 V |
| Input Power | 36 dBm |
| Outline Dimensions | Inches | mm |
|---|---|---|
| B | 1.18 | 29.97 |
| D | .410 | 10.41 |
| E | .312 | 7.92 |
| Weight | - | 7.0 Grams |
| Frequency (MHz) | Insertion Loss (dB) | Return Loss (dB) Male | Return Loss (dB) Female |
|---|---|---|---|
| 10.00 | 0.05 | 28.49 | 28.48 |
| 50.00 | 0.03 | 45.13 | 45.06 |
| 100.00 | 0.03 | 50.04 | 50.34 |
| 300.00 | 0.05 | 39.11 | 39.36 |
| 500.00 | 0.07 | 35.50 | 35.89 |
| 700.00 | 0.11 | 34.05 | 34.48 |
| 900.00 | 0.10 | 32.59 | 33.09 |
| 1000.00 | 0.10 | 31.87 | 32.59 |
| 2000.00 | 0.12 | 28.84 | 28.45 |
| 3000.00 | 0.16 | 26.71 | 25.78 |
| 4000.00 | 0.20 | 24.84 | 24.46 |
| 5000.00 | 0.23 | 22.08 | 23.35 |
| 6000.00 | 0.32 | 19.95 | 21.73 |
| 7000.00 | 0.41 | 20.10 | 20.67 |
| 8000.00 | 0.47 | 17.98 | 18.83 |
| 10000.00 | 0.64 | 15.04 | 15.60 |
| 12000.00 | 0.80 | 14.59 | 12.85 |
| 14000.00 | 0.99 | 12.82 | 12.36 |
| 16000.00 | 1.08 | 13.07 | 12.06 |
| 18000.00 | 1.03 | 16.78 | 12.60 |
