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The DPX-0508 is a broadband low pass/high pass diplexer capable of multiplexing low frequency (DC-5 GHz) and high frequency (8-18 GHz) signals. The novel design offers extremely low insertion loss for both the low pass and high pass channels. The DPX-0508 is an excellent solution for applications such as high frequency/baseband signal routing (especially following a broadband high frequency mixing stage), low loss power splitting/combination, separation of harmonic tones, and general-purpose lab use.
DPX-0508
Broadband Diplexer
| Revision Code | Revision Date | Comment |
|---|---|---|
| - | 2012-02-09 | Datasheet Initial Release |
DPX-0508
Broadband Diplexer
| Port | Function | Connector Type | Description | DC Equivalent Circuit |
|---|---|---|---|---|
| Port 1 | RF High Band | SMAF | Port 1 is DC open to Port 2 and short to Port 3. | |
| Port 2 | Common/Input | SMAF | Port 2 is DC open to Port 1 and Port 3. | |
| Port 3 | RF Low Band | SMAF | Port 3 is DC open to Port 1 and short to Port 2. |
DPX-0508
Broadband Diplexer
| Parameter | Details | Rating |
|---|---|---|
| Weight | - | 28g |
| Dimensions | - | 20.32 × 45.72 mm |
DPX-0508
Broadband Diplexer
Specifications guaranteed from -55 to +100°C, measured in a 50Ω system.
| Parameter | Test Conditions | Minimum Frequency (GHz) | Maximum Frequency (GHz) | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|---|
| 1 dBc High Passband | Temp = 25°C | - | - | 7.31 | - | - | GHz |
| 3 dBc High Passband | Temp = 25°C | - | - | 6.91 | - | - | GHz |
| 30 dBc High Pass Rejection Point | Temp = 25°C | - | - | 5.16 | - | - | GHz |
| High Passband Return Loss | Temp = 25°C | - | - | - | 15 | - | dB |
| High Pass Isolation | Temp = 25°C | - | - | - | 33 | - | dB |
| High Pass Group Delay | Temp = 25°C | - | - | - | 301 | - | ps |
| 1 dBc Low Passband | Temp = 25°C | - | - | - | - | 5.71 | GHz |
| 3 dBc Low Passband | Temp = 25°C | - | - | - | - | 5.96 | GHz |
| 30 dBc Low Pass Rejection Point | Temp = 25°C | - | - | - | - | 6.78 | GHz |
| Low Passband Return Loss | Temp = 25°C | - | - | - | 18 | - | dB |
| Low Pass Isolation | Temp = 25°C | - | - | - | 27 | - | dB |
| Low Pass Group Delay | Temp = 25°C | - | - | - | 477 | - | ps |
| Crossover Isolation | Temp = 25°C | - | - | - | 23 | - | dB |
| Crossover Frequency | Temp = 25°C | - | - | - | 6.21 | - | GHz |
| Common Port Return Loss | Temp = 25°C | - | - | - | 13 | - | dB |
| Impedance | Temp = 25°C | - | - | - | 50 | - | Ω |
| 30 dBc Low Pass Rejection Point | DC-5 GHz | 0 | 5 | 25 | 40 | - | dB |
| Common Port Return Loss | 8-18 GHz | 8 | 18 | 8 | 12 | - | dB |
| High Pass Filter, Pass Band Insertion Loss | 8-18 GHz | 8 | 18 | - | 1 | - | dB |
| High Pass Filter, Pass Band Return Loss | 8-18 GHz | 8 | 18 | 8 | 12 | - | dB |
| Impedance | - | - | - | - | 50 | - | Ω |
| Isolation | 8-18 GHz | 8 | 18 | 30 | 45 | - | dB |
| Low Pass Filter, Pass Band Insertion Loss | DC-5 GHz | 0 | 5 | - | 1 | - | dB |
| Low Pass Filter, Pass Band Return Loss | DC-5 GHz | 0 | 5 | 12 | 16 | - | dB |
| Low Pass Filter, Stop Band Rejection | 8-18 GHz | 8 | 18 | 30 | 45 | - | dB |
| RF Power | - | - | - | - | - | 1 | W |
| 1 dBc High Passband | - | - | - | 8 | - | 18 | GHz |
| 1 dBc Low Passband | - | - | - | 0 | - | 5 | GHz |
| Common Port Return Loss | DC-5 GHz | 0 | 5 | 12 | 16 | - | dB |
| Isolation | DC-5 GHz | 0 | 5 | 25 | 40 | - | dB |
| Parameter | Test Conditions | Minimum Frequency (GHz) | Maximum Frequency (GHz) | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|---|
| 1 dBc High Passband | Temp = 25°C | - | - | 7.31 | - | - | GHz |
| 3 dBc High Passband | Temp = 25°C | - | - | 6.91 | - | - | GHz |
| 30 dBc High Pass Rejection Point | Temp = 25°C | - | - | 5.16 | - | - | GHz |
| High Passband Return Loss | Temp = 25°C | - | - | - | 15 | - | dB |
| High Pass Isolation | Temp = 25°C | - | - | - | 33 | - | dB |
| High Pass Group Delay | Temp = 25°C | - | - | - | 301 | - | ps |
| 1 dBc Low Passband | Temp = 25°C | - | - | - | - | 5.71 | GHz |
| 3 dBc Low Passband | Temp = 25°C | - | - | - | - | 5.96 | GHz |
| 30 dBc Low Pass Rejection Point | Temp = 25°C | - | - | - | - | 6.78 | GHz |
| Low Passband Return Loss | Temp = 25°C | - | - | - | 18 | - | dB |
| Low Pass Isolation | Temp = 25°C | - | - | - | 27 | - | dB |
| Low Pass Group Delay | Temp = 25°C | - | - | - | 477 | - | ps |
| Crossover Isolation | Temp = 25°C | - | - | - | 23 | - | dB |
| Crossover Frequency | Temp = 25°C | - | - | - | 6.21 | - | GHz |
| Common Port Return Loss | Temp = 25°C | - | - | - | 13 | - | dB |
| Impedance | Temp = 25°C | - | - | - | 50 | - | Ω |
| 30 dBc Low Pass Rejection Point | DC-5 GHz | 0 | 5 | 25 | 40 | - | dB |
| Common Port Return Loss | 8-18 GHz | 8 | 18 | 8 | 12 | - | dB |
| High Pass Filter, Pass Band Insertion Loss | 8-18 GHz | 8 | 18 | - | 1 | - | dB |
| High Pass Filter, Pass Band Return Loss | 8-18 GHz | 8 | 18 | 8 | 12 | - | dB |
| Impedance | - | - | - | - | 50 | - | Ω |
| Isolation | 8-18 GHz | 8 | 18 | 30 | 45 | - | dB |
| Low Pass Filter, Pass Band Insertion Loss | DC-5 GHz | 0 | 5 | - | 1 | - | dB |
| Low Pass Filter, Pass Band Return Loss | DC-5 GHz | 0 | 5 | 12 | 16 | - | dB |
| Low Pass Filter, Stop Band Rejection | 8-18 GHz | 8 | 18 | 30 | 45 | - | dB |
DPX-0508
Broadband Diplexer
| Parameter | Test Conditions | Minimum Frequency (GHz) | Maximum Frequency (GHz) | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|---|
| RF Power | - | - | - | - | - | 1 | W |
| 1 dBc High Passband | - | - | - | 8 | - | 18 | GHz |
| 1 dBc Low Passband | - | - | - | 0 | - | 5 | GHz |
| Common Port Return Loss | DC-5 GHz | 0 | 5 | 12 | 16 | - | dB |
| Isolation | DC-5 GHz | 0 | 5 | 25 | 40 | - | dB |
DPX-0508
Broadband Diplexer
DPX-0508
Broadband Diplexer