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SPF-5043Z from RFMD

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SPF-5043Z

Manufacturer: RFMD, RFMD/SIR

50MHz to 4000MHz, GaAs pHEMT LOW NOISE MMIC AMPLIFIER

Partnumber Manufacturer Quantity Availability
SPF-5043Z,SPF5043Z RFMD, RFMD/SIR 96530 In Stock

Description and Introduction

50MHz to 4000MHz, GaAs pHEMT LOW NOISE MMIC AMPLIFIER The part SPF-5043Z is manufactured by RFMD (RF Micro Devices)/SIR. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Frequency Range:** 50 MHz to 4000 MHz  
- **Gain:** 20.5 dB (typical at 2000 MHz)  
- **Noise Figure:** 1.5 dB (typical at 2000 MHz)  
- **Output Power (P1dB):** +22.5 dBm (typical at 2000 MHz)  
- **OIP3 (Third-Order Intercept):** +40 dBm (typical at 2000 MHz)  
- **Supply Voltage (Vdd):** 5 V  
- **Current Consumption (Idd):** 90 mA (typical)  
- **Package:** SOT-89 (3-lead surface-mount)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Description:**  
The SPF-5043Z is a high-performance GaAs (Gallium Arsenide) MMIC (Monolithic Microwave Integrated Circuit) amplifier designed for broadband applications. It provides high linearity and low noise performance across a wide frequency range.  

### **Features:**  
- Broadband operation (50 MHz to 4 GHz)  
- High linearity with high OIP3  
- Low noise figure  
- Single 5V supply operation  
- Internally matched for 50 Ω input/output impedance  
- RoHS compliant  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

50MHz to 4000MHz, GaAs pHEMT LOW NOISE MMIC AMPLIFIER

Alternative Part Number

  • SBA-5089Z --: Same vendor's cascadable InGaP HBT gain block family with comparable gain and bandwidth, making it a close functional drop-in for SPF-5043Z.
  • GALI-39+ --: Wideband monolithic amplifier with similar gain and frequency range, widely used as a cross-vendor replacement for RFMD gain block amplifiers.
  • PGA-103+ --: Low-cost cascadable MMIC amplifier offering comparable gain and linearity, suitable as an alternative when the original RFMD part is unavailable.
  • BGA-7021 --: Low-noise silicon germanium amplifier covering similar frequency range with comparable gain, offering an alternative source for the same application.

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