company blog about Mingjiada Supply Qorvo Amplifiers - CATV Amplifier, Distributed Amplifier, Variable-Gain Amplifier

Mingjiada Supply Qorvo Amplifiers - CATV Amplifier, Distributed Amplifier, Variable-Gain Amplifier

Shenzhen Mingjiada Electronics Co., Ltd. — has long been providing customers with a comprehensive range of high-performance, highly reliable Qorvo RF amplifier products, including CATV amplifiers, broadband distributed amplifiers and variable gain amplifiers. Mingjiada Electronics maintains stock of mainstream models and supports both small-batch samples and large-volume orders. Backed by an efficient logistics system, we ensure rapid product delivery.

I. CATV Amplifiers
Qorvo CATV MMIC amplifiers include single-ended, dual-ended and differential amplifiers, suitable for 75-ohm applications. Primarily used in cable television systems, they feature stable gain, low noise and high linearity, ensuring the stable transmission of cable television signals. Mingjiada Electronics supplies a comprehensive range of CATV amplifier models to meet various cable television transmission requirements.
Overview of Mingjiada’s Popular Models:
1. QPL1842: 5–850 MHz CATV RF amplifier with 25 dB gain and excellent low-noise performance, suitable for cable TV signal amplification applications.
2. QPL1825: A high-linearity differential RF amplifier based on GaAs pHEMT technology, suitable for applications such as cable television and broadband access.
3. QPL1841: A 5–850 MHz single-ended MMIC RF amplifier with 12.5 dB gain and low noise, suitable for compact cable television equipment.

II. Broadband Distributed Amplifiers
Broadband distributed amplifiers offer advantages such as wide bandwidth, high dynamic range and flat gain, making them core components for broadband communications, test and measurement, and radar applications. Qorvo’s broadband distributed amplifiers, with their industry-leading performance, meet the high dynamic range requirements across a wide frequency band.
Mingjiada Electronics supplies the following amplifier models:
TGA2704-SM: Ultra-wideband GaN amplifier, covering 2–20 GHz.
TGA2524-SM: Broadband GaAs amplifier, covering DC–20 GHz.
QPA9128: Broadband high-linearity amplifier module.
QPA0009D: Broadband MMIC medium-power distributed amplifier, operating in die form across a bandwidth of DC to 55 GHz, ideal for electronic warfare and communications systems.
CMD192C5: DC–20 GHz distributed driver amplifier.
CMD249P5: Broadband GaAs MMIC distributed power amplifier, housed in a leadless 5×5 mm plastic surface-mount package.
TAT8804D1H: GaAs MMIC distributed power amplifier.

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III. Variable Gain Amplifiers
Qorvo’s variable gain amplifiers (VGAs) integrate high-performance amplifier solutions with digital or analogue gain control.
1. Digital Variable Gain Amplifiers (DVGAs)
QPB9350: A dual-channel receive digital variable gain amplifier with an operating frequency range of 0.4–1.0 GHz and an attenuation range of 31 dB.
QPB9351: A dual-channel receive digital variable gain amplifier operating over the 1.7–2.7 GHz frequency range, suitable for high-frequency communication applications, with an attenuation range of 31 dB.
RFDA4005: A serially controlled digital variable gain amplifier with a frequency range of 50–4000 MHz. It utilises 6-bit control and supports 0.5 dB step adjustment, with a gain of 18 dB at 0 dB attenuation.
TQC9305: A serial-controlled digital variable gain amplifier with a shutdown function, operating at 700–3600 MHz. It features 5-bit control to achieve a 31 dB gain range with 1 dB step adjustment; the gain reaches 13 dB at 1.9 GHz.
2. Low-Noise Variable Gain Amplifiers (LNA with AGC)
TGA2525: Operating frequency range 2–18 GHz, with adjustable gain functionality; small-signal gain of 17 dB; adjustable gain range exceeding 30 dB; figure of noise as low as 2 dB; OP1dB of 17 dBm; OIP3 of 29 dBm.
TGA2526: Optimised frequency coverage based on the TGA2525, extending to 2–20 GHz; small-signal gain increased to 17.5 dB; OP1dB is 20 dBm; OIP3 is 30 dBm; operating voltage 5 V; current 100 mA.
TGA2567-SM: Operating frequency 2–20 GHz, with a small-signal gain of 17 dB, a figure of noise of 2 dB, an OP1dB of 19 dBm, and an OIP3 of 29 dBm. It operates at 5 V with a current draw of 100 mA and is housed in a 4.0 x 4.0 x 1.625 mm QFN package. Requiring no die-to-board soldering and featuring high integration, it is suitable for compact, high-frequency RF equipment such as microwave communication modules and testers.

For further information on Qorvo amplifier products or to enquire about specific model prices, please visit the Mingjiada Electronics website (https://www.integrated-ic.com/) for more supply details.