Overview
The HMC637A is a GaAs MMIC (Monolithic Microwave Integrated Circuit) MESFET Distributed Power Amplifier produced by Analog Devices Inc. This amplifier operates over a wide frequency range from DC to 6 GHz, making it highly versatile for various applications. It provides 14 dB of gain, +41 dBm output IP3, and +30.5 dBm of output power at 1 dB gain compression. The amplifier requires 400 mA from a +12V supply and features excellent gain flatness of ±0.5 dB across its operating frequency range.
Key Specifications
| Parameter | Frequency | Min. | Typ. | Max. | Units |
|---|---|---|---|---|---|
| Gain | DC - 6.0 GHz | 11 | 14 | dB | |
| Gain Flatness | DC - 6.0 GHz | ±0.5 | dB | ||
| Gain Variation Over Temperature | DC - 6.0 GHz | 0.008 | dB/°C | ||
| Input Return Loss | DC - 6.0 GHz | 14 | dB | ||
| Output Return Loss | DC - 6.0 GHz | 18 | dB | ||
| Output Power for 1 dB Compression (P1dB) | DC - 6.0 GHz | +30.5 | dBm | ||
| Output IP3 | DC - 6.0 GHz | +41 | dBm | ||
| Bias Supplies | +12V, +6V, -1V | ||||
| Current Consumption | 400 mA | ||||
| Die Size | 2.98 x 2.48 x 0.1 mm |
Key Features
- Operates from DC to 6 GHz, providing a wide frequency range.
- Provides 14 dB of gain and +41 dBm output IP3.
- Delivers +30.5 dBm of output power at 1 dB gain compression.
- Excellent gain flatness of ±0.5 dB across the operating frequency range.
- Internally matched to 50 Ohms for easy integration into Multi-Chip Modules (MCMs).
- Requires 400 mA from a +12V supply.
- Low frequency terminations and gate control for nominal operation.
Applications
- Telecom Infrastructure
- Microwave Radio & VSAT
- Military & Space
- Test Instrumentation
- Fiber Optics
- Electronic Warfare (EW) and Electronic Counter-Measure (ECM)
- Radar systems
Q & A
- What is the operating frequency range of the HMC637A?
The HMC637A operates from DC to 6 GHz.
- What is the typical gain of the HMC637A?
The typical gain of the HMC637A is 14 dB.
- What is the output IP3 of the HMC637A?
The output IP3 of the HMC637A is +41 dBm.
- What is the output power at 1 dB gain compression for the HMC637A?
The output power at 1 dB gain compression is +30.5 dBm.
- What are the bias supply requirements for the HMC637A?
The HMC637A requires +12V, +6V, and -1V bias supplies.
- How much current does the HMC637A consume?
The HMC637A consumes 400 mA from the +12V supply.
- What is the die size of the HMC637A?
The die size of the HMC637A is 2.98 x 2.48 x 0.1 mm.
- What are the typical applications of the HMC637A?
The HMC637A is ideal for telecom infrastructure, microwave radio & VSAT, military & space, test instrumentation, fiber optics, EW, ECM, and radar systems.
- Are the RF I/Os of the HMC637A internally matched?
Yes, the RF I/Os of the HMC637A are internally matched to 50 Ohms.
- How is the gain flatness of the HMC637A?
The gain flatness of the HMC637A is excellent at ±0.5 dB from DC to 6 GHz.
