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| PartNumber | HMC985A | HMC985A-SX | HMC985 |
| Description | Attenuators Attenuators | Attenuators Attenuators | Attenuators olt Variable atten, 20 - 50 GHz |
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Category | Attenuators | Attenuators | Attenuators |
| RoHS | Y | Y | Y |
| Package / Case | Die | SMT-24 | Die |
| Maximum Attenuation | 35 dB | 42 dB | 40 dB |
| Maximum Frequency | 50 GHz | 40 GHz | 50 GHz |
| Number of Channels | 1 Channel | 1 Channel | 1 Channel |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Gel Pack | Gel Pack | Gel Pack |
| Series | HMC985 | HMC985 | HMC985 |
| Technology | GaAs | GaAs | GaAs |
| Type | Variable Attenuator | Variable Attenuator | Digital Attenuator |
| Brand | Analog Devices / Hittite | Analog Devices / Hittite | Analog Devices / Hittite |
| Insertion Loss | 3.5 dB | 2.9 dB | 4.5 dB |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Minimum Frequency | 20 GHz | 10 GHz | 20 GHz |
| Product Type | Attenuators | Attenuators | Attenuators |
| Factory Pack Quantity | 25 | 2 | 25 |
| Subcategory | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits |
| Impedance | - | 50 Ohms | - |
| Operating Supply Voltage | - | - 5 V to 0 V | - 3 V |
| Maximum VSWR | - | - | - |
| Power Rating | - | - | 30 dBm |