Overview
The HMC557LC4TR is a general-purpose, double-balanced mixer designed and manufactured by Analog Devices Inc. This mixer is fabricated using a GaAs MESFET process and is housed in a 24-terminal, ceramic leadless chip carrier package (24-TFCQFN Exposed Pad). It operates within the frequency range of 2.5 GHz to 7.0 GHz and is suitable for both upconversion and downconversion applications. The device is RoHS compliant and does not require external matching circuitry, making it ideal for high-volume surface mount manufacturing techniques.
Key Specifications
| Parameter | Min. | Typ. | Max. | Units |
|---|---|---|---|---|
| Frequency Range, RF & LO | 2.5 | - | 7.0 | GHz |
| Frequency Range, IF | DC | - | 3 | GHz |
| Conversion Loss | 7 | 9.5 | 10.5 | dB |
| Noise Figure (SSB) | 7 | 9.5 | 10.5 | dB |
| LO to RF Isolation | 40 | 48 | 48 | dB |
| LO to IF Isolation | 25 | 32 | 30 | dB |
| RF to IF Isolation | 12 | 18 | 25 | dB |
| IP3 (Input) | 17 | 22 | - | dBm |
| IP2 (Input) | 50 | 50 | - | dBm |
| 1 dB Gain Compression (Input) | 10 | 13 | - | dBm |
| Operating Temperature | -40 | - | 85 | °C |
| Storage Temperature | -65 | - | 150 | °C |
Key Features
- Passive double-balanced topology for high LO/RF and LO/IF isolation.
- Wide IF bandwidth from DC to 3 GHz.
- Low conversion loss of 7 dB to 10.5 dB.
- High LO/RF isolation of up to 48 dB and LO/IF isolation of up to 32 dB.
- Operates with LO drive levels as low as +9 dBm.
- RoHS compliant and compatible with high-volume surface mount manufacturing techniques.
- No external components or matching circuitry required.
- 24-terminal ceramic leadless chip carrier package (24-TFCQFN Exposed Pad).
Applications
- WiMAX and Fixed Wireless systems.
- Point-to-Point and Point-to-Multi-Point Radios.
- Test Equipment and Sensors.
- Military End-Use applications.
Q & A
- What is the frequency range of the HMC557LC4TR?
The frequency range of the HMC557LC4TR is from 2.5 GHz to 7.0 GHz for both RF and LO signals, and DC to 3 GHz for IF signals.
- What is the typical conversion loss of the HMC557LC4TR?
The typical conversion loss is around 9.5 dB, with a range of 7 dB to 10.5 dB.
- What is the LO to RF isolation of the HMC557LC4TR?
The LO to RF isolation is up to 48 dB.
- Does the HMC557LC4TR require external matching circuitry?
No, the HMC557LC4TR does not require external components or matching circuitry.
- What is the operating temperature range of the HMC557LC4TR?
The operating temperature range is from -40°C to +85°C.
- Is the HMC557LC4TR RoHS compliant?
- What is the package type of the HMC557LC4TR?
The package type is a 24-terminal ceramic leadless chip carrier (24-TFCQFN Exposed Pad).
- What are some typical applications of the HMC557LC4TR?
Typical applications include WiMAX, Fixed Wireless, Point-to-Point and Point-to-Multi-Point Radios, Test Equipment, and Military End-Use.
- What is the minimum LO drive level required for the HMC557LC4TR?
The minimum LO drive level is +9 dBm.
- What is the noise figure of the HMC557LC4TR?
The noise figure is typically around 9.5 dB, with a range of 7 dB to 10.5 dB.
