Overview
The HMC329LM3 is a GaAs monolithic microwave integrated circuit (MMIC) double-balanced mixer chip produced by Analog Devices Inc. This component is designed for high-frequency applications, operating within the 25 GHz to 40 GHz range. It is particularly useful as an upconverter or downconverter and is characterized by its small size and passive operation, requiring no DC bias.
Key Specifications
| Parameter | Units | Min. | Typ. | Max. |
|---|---|---|---|---|
| Frequency Range, RF & LO | GHz | 25 | - | 40 |
| Frequency Range, IF | GHz | DC | - | 8 |
| Conversion Loss | dB | 9.5 | 11.5 | - |
| Noise Figure (SSB) | dB | 9.5 | 11.5 | - |
| LO to RF Isolation | dB | 38 | 42 | - |
| LO to IF Isolation | dB | 25 | 35 | - |
| RF to IF Isolation | dB | 21 | 28 | - |
| IP3 (Input) | dBm | 16 | 19 | - |
| IP2 (Input) | dBm | 45 | 55 | - |
| 1 dB Compression (Input) | dBm | 8 | 11 | - |
Key Features
- Passive operation: No DC bias required.
- Small size: 0.85 x 0.55 x 0.1 mm.
- Excellent isolations provided by on-chip baluns.
- No external components required.
- High LO/RF and LO/IF isolation.
- High input IP3 and IP2.
Applications
- Local Multipoint Distribution Service (LMDS).
- Microwave Point-to-Point Radios.
- SATCOM (Satellite Communications).
Q & A
- What is the frequency range of the HMC329LM3? The HMC329LM3 operates within the 25 GHz to 40 GHz range for RF and LO, and DC to 8 GHz for IF.
- Does the HMC329LM3 require DC bias? No, the HMC329LM3 is a passive component and does not require DC bias.
- What are the dimensions of the HMC329LM3? The component measures 0.85 x 0.55 x 0.1 mm.
- What kind of isolations does the HMC329LM3 provide? The HMC329LM3 provides excellent LO/RF, LO/IF, and RF/IF isolations due to on-chip baluns.
- What are the typical applications of the HMC329LM3? Typical applications include LMDS, Microwave Point-to-Point Radios, and SATCOM.
- What is the conversion loss of the HMC329LM3? The conversion loss is typically 11.5 dB, with a range of 9.5 dB to 11.5 dB.
- What is the noise figure of the HMC329LM3? The noise figure is typically 11.5 dB, with a range of 9.5 dB to 11.5 dB.
- What is the input IP3 of the HMC329LM3? The input IP3 is typically +19 dBm, with a range of +16 dBm to +19 dBm.
- Does the HMC329LM3 require external components? No, the HMC329LM3 does not require any external components.
- How is the HMC329LM3 typically mounted and tested? The chip is typically mounted and ribbon bonded into a 50-ohm microstrip test fixture.
