Overview
The HMC684LP4E is a high-performance BiCMOS MMIC (Monolithic Microwave Integrated Circuit) mixer designed by Analog Devices Inc. This component is integrated with an LO (Local Oscillator) amplifier and is housed in a compact 4x4 mm SMT (Surface Mount Technology) QFN package. It operates within the frequency range of 700 to 1000 MHz, making it suitable for various wireless communication and microwave applications.
Key Specifications
| Parameter | Min. | Typ. | Max. | Units |
|---|---|---|---|---|
| Frequency Range, RF | 700 | - | 1000 | MHz |
| Frequency Range, LO | 600 | - | 900 | MHz |
| Frequency Range, IF | DC | - | 700 | MHz |
| Conversion Loss | - | 10 | - | dB |
| Noise Figure (SSB) | - | 8 | - | dB |
| LO to RF Isolation | 16 | 25 | - | dB |
| LO to IF Isolation | 20 | 27 | - | dB |
| RF to IF Isolation | 25 | 34 | - | dB |
| Input IP3 | - | +35 | - | dBm |
| 1 dB Compression (Input) | - | +25 | - | dBm |
| LO Drive Input Level (Typical) | -9 | - | +3 | dBm |
| Supply Current (Icc total) | 140 | 168 | - | mA |
Key Features
- High dynamic range passive MMIC mixer with integrated LO amplifier.
- Operates in the frequency range of 700 to 1000 MHz.
- Excellent input IP3 performance of +35 dBm for down conversion.
- Low conversion loss of 10 dB typical.
- Low LO drive requirement of -9 to +3 dBm.
- High isolation between LO, RF, and IF ports.
- Compact 4x4 mm SMT QFN package.
Applications
- Cellular, 3G, LTE, WiMAX, and 4G wireless communication systems.
- Base stations and repeaters.
- GSM, CDMA, and OFDM systems.
- Transmitters and receivers in various wireless infrastructure.
Q & A
- What is the frequency range of the HMC684LP4E?
The HMC684LP4E operates within the frequency range of 700 to 1000 MHz for the RF input.
- What is the typical conversion loss of the HMC684LP4E?
The typical conversion loss is 10 dB.
- What is the input IP3 performance of the HMC684LP4E?
The input IP3 performance is +35 dBm for down conversion.
- What is the LO drive input level requirement for the HMC684LP4E?
The LO drive input level is typically between -9 and +3 dBm.
- What is the supply current for the HMC684LP4E?
The total supply current (Icc) is typically 168 mA.
- What is the package type of the HMC684LP4E?
The component is housed in a 4x4 mm SMT QFN package.
- What are the typical applications of the HMC684LP4E?
It is used in cellular, 3G, LTE, WiMAX, and 4G wireless communication systems, base stations, repeaters, GSM, CDMA, and OFDM systems.
- How does the HMC684LP4E ensure high isolation between ports?
The component provides high isolation between LO, RF, and IF ports, with LO to RF isolation of 16 to 25 dB, LO to IF isolation of 20 to 27 dB, and RF to IF isolation of 25 to 34 dB.
- What is the noise figure of the HMC684LP4E?
The noise figure (SSB) is typically 8 dB.
- Can the HMC684LP4E be used for both upconversion and downconversion applications?
Yes, it is optimized for both upconversion and downconversion applications.
