LMH6401IRMZT vs HMC452ST89ETR
| Part Number |
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| Category | RF Amplifiers | RF Amplifiers |
| Manufacturer | Texas Instruments | Analog Devices Inc. |
| Description | IC OPAMP VGA 1 CIRCUIT 16UQFN | IC MMIC AMP HBT 1W SOT-89 |
| Package | Cut Tape (CT) | TO-243AA |
| Series | - | - |
| Operating Temperature | -40°C ~ 85°C | - |
| Mounting Type | Surface Mount | - |
| Package / Case | 16-UFQFN | TO-243AA |
| Supplier Device Package | 16-UQFN (3x3) | SOT-89 |
| Current - Supply | 69mA | 510mA |
| Output Type | Differential | - |
| Number of Circuits | 1 | - |
| Voltage - Supply, Single/Dual (±) | 4V ~ 5.25V | - |
| Current - Output / Channel | - | - |
| -3db Bandwidth | 4.5 GHz | - |
| Amplifier Type | Variable Gain | - |
| Current - Input Bias | - | - |
| Voltage - Input Offset | - | - |
| Slew Rate | 18200V/µs | - |
| Gain Bandwidth Product | 500 MHz | - |
| Voltage - Supply | - | 5V |
| Frequency | - | 400MHz ~ 2.2GHz |
| P1dB | - | 31.5dBm |
| Gain | - | 9dB |
| Noise Figure | - | 6.5dB |
| RF Type | - | General Purpose |
| Test Frequency | - | 2.1GHz |
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1. What is an RF amplifier, and what does it do?
RF amplifiers increase the strength of radio frequency signals for various applications, such as broadcasting, communication systems, and signal processing.
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2. What are the main types of RF amplifiers?
Common types include low-noise amplifiers (LNAs), power amplifiers, variable gain amplifiers (VGAs), and high-linearity amplifiers, each designed for specific tasks like minimizing noise, maximizing power, or ensuring signal clarity.
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3. How is an RF amplifier's gain measured?
Gain is typically expressed in decibels (dB) and represents the ratio of output to input signal strength. It is a key performance metric for RF amplifiers.
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4. What is the purpose of a variable gain amplifier (VGA)?
VGAs allow dynamic adjustment of gain to accommodate signal variations, commonly used in systems requiring automatic gain control or signal stabilization.
