PA Power Amplifier for DVB-T COFDM TX Transmitter transmission 1w 2w 5w 10w 15w

pa power amplifier

PA Power Amplifier for DVB-T COFDM TX Transmitter transmission 1w 2w 5w 10w 15w

The pa power amplifier module realizes the power amplification output of the RF signal. When input voltage is 12V, connect to COFDM modulation board, output power can be up to 1W ( 30dBm)

Features

1. Working frequency band: 300MHz~360MHz (more frequency is adjustable)
2. Gain: 45dB
3. Pout: 33dBm (PAR=9.9dB)
4. ACPR: < -36dBc
5. IP3: 49dBm
6. Noise Figure: 6dB
7. Supply voltage: 12V, output 1W ( 30dBm) transmit power, power consumption is about 8.7W.
8. RF interface: SMA male thread hole

Specification

Electrical Specifications @ 25?棬ZS = ZL = 50??,Vcc =12V

Parameter	Unit	?Minimum	Typical	Maximum
Frequency Range	?MHz	300	Optional	360
Small Signal Gain	db		45.0
Gain Flatness dB	db		/-0.5
Output Power Pout@Pin=-15dBm	dBm		30.0
IP3 dBm 49	dBm		49.0
ACPR(WCDMA PAR=9.9dB)	dBc		-40
Reverse Isolation	dB		-45
Noise Figure	dB		4
Efficiency(Pout= 39dBm@470MHz)	%		13.8
VSWR input			1.3:1
output			2.0:1
DC Power Supply	V	7.4	10.0	12
Supply Current (Quiescent)	mA		300.0
size			35.1mm x 18.1mm x 0.6mm

Optional Frequency

PA1W330 Frequency 300~360Mhz

PA1W470?Frequency 450~500Mhz

PA1W550?Frequency 544~564Mhz

PA1W600?Frequency 580~620Mhz

PA1W700?Frequency 680~720Mhz

Absolute Maximum Ratings

Parameter	?Absolute Maximum
RF Input Power	-5.0 dBm
Supply Voltage	14V
Operating Temperature	-40?? to 65??
Storage Temperature	-55?? to 100??

PA Power Amplifier for DVB-T COFDM Transmitters – High-Performance RF Power Amplification Module

The PA Power Amplifier is a high-performance RF amplification module designed for DVB-T COFDM transmission systems. This versatile amplifier module provides reliable and stable power output for COFDM (Coded Orthogonal Frequency Division Multiplexing) transmitters, making it an essential component for wireless digital TV, drone video transmission, and professional RF applications. With output power ranging from 1W to 15W depending on configuration, the PA Power Amplifier ensures efficient, high-quality signal transmission over a wide frequency range.

Overview and Application

The PA Power Amplifier module is specifically designed to realize power amplification for RF signals in COFDM transmission systems. When powered with a 12V input, and connected to a COFDM modulation board, the module can deliver a robust output power of up to 1W (30dBm). This ensures a strong, stable RF signal capable of long-distance transmission in various environments. The module is widely used in digital TV broadcasting, UAV video transmission, wireless data links, and other RF communication systems where reliable high-power amplification is required.

The module is suitable for a wide range of professional and industrial applications, including:

• DVB-T Digital TV Transmission: Ensures high-quality digital broadcasting with minimal signal degradation.

• Drone and UAV Video Transmission: Ideal for long-range video links, providing consistent power output for COFDM transmitters.

• Wireless Communication Systems: Amplifies RF signals for industrial, scientific, and commercial wireless communication devices.

• Professional RF Equipment: Used in test equipment, research, and experimental setups requiring precise power amplification.

Key Features

The PA Power Amplifier module combines compact size with high efficiency, delivering excellent performance in COFDM RF systems. Its key features include:

1. Wide Working Frequency Band: Supports 300MHz to 360MHz as standard, with additional frequency options adjustable for specific transmission needs. Optional models cover 450~500MHz, 544~564MHz, 580~620MHz, and 680~720MHz bands, allowing flexibility for various applications.

2. High Gain: Provides a typical small signal gain of 45dB, ensuring sufficient amplification of low-level RF signals without distortion.

3. Strong Output Power: Achieves up to 1W (30dBm) output at 12V supply, with higher power variants available for more demanding applications.

4. Excellent Linearity: With an IP3 rating of 49dBm and ACPR < -36dBc, the module delivers high linearity performance, minimizing signal distortion even at higher power levels.

5. Low Noise Figure: Noise figure is 6dB, contributing to a clean signal and preserving the quality of transmitted digital video or data.

6. Robust Electrical Performance: Designed to operate efficiently with a supply voltage of 12V, consuming approximately 8.7W at 1W output power. The module maintains stable performance across a wide operating temperature range of -40°C to 65°C.

7. Compact and Lightweight Design: Measures only 35.1mm × 18.1mm × 0.6mm, making it ideal for integration into space-constrained systems such as UAVs, portable transmitters, or embedded RF devices.

8. Reliable RF Interface: Features an SMA male thread interface for secure and low-loss RF connection.

9. Durability: With an absolute maximum supply voltage of 14V and RF input power tolerance up to -5dBm, the module is designed for safe operation under demanding conditions. Storage is supported from -55°C to 100°C, ensuring long-term reliability.

Detailed Electrical Specifications

At a reference temperature of 25°C and with 50Ω input/output impedance (ZS = ZL = 50Ω), the PA Power Amplifier exhibits the following electrical performance:

• Frequency Range: 300–360MHz (optional extended frequencies available)

• Small Signal Gain: 45dB typical

• Gain Flatness: ±0.5dB typical

• Output Power Pout (at Pin=-15dBm): 30dBm typical

• Third-Order Intercept Point (IP3): 49dBm

• Adjacent Channel Power Ratio (ACPR, WCDMA PAR=9.9dB): -40dBc typical

• Reverse Isolation: -45dB

• Noise Figure: 4dB typical

• Efficiency (Pout=39dBm@470MHz): 13.8%

• Voltage Standing Wave Ratio (VSWR): Input 1.3:1, Output 2.0:1

• DC Power Supply: 7.4V minimum, 10V typical, 12V maximum

• Quiescent Supply Current: 300mA typical

Optional Frequency Variants

The PA Power Amplifier is available in multiple frequency variants to suit different applications:

• PA1W330: 300~360MHz

• PA1W470: 450~500MHz

• PA1W550: 544~564MHz

• PA1W600: 580~620MHz

• PA1W700: 680~720MHz

This flexibility allows users to select the most suitable amplifier for their system’s transmission frequency requirements.

Applications in COFDM Systems

The PA Power Amplifier is particularly optimized for use with COFDM transmitters. COFDM modulation is widely used in DVB-T broadcasting, UAV video links, and other high-speed wireless communication systems. By combining a COFDM modulation board with this amplifier module, users can achieve:

• Long-distance line-of-sight (LOS) transmission

• Reliable non-line-of-sight (NLOS) performance

• Minimal signal delay and high-fidelity video/audio transmission

• Enhanced anti-interference capabilities for professional applications

Installation and Integration

Integrating the PA Power Amplifier into an RF system is straightforward. Simply connect the module to a COFDM modulation board using the SMA interface, supply 12V DC, and the amplifier is ready to provide enhanced RF output power. Its compact size allows easy installation in UAVs, small form-factor transmitters, or embedded systems.

Durability and Reliability

Engineered to withstand challenging operational environments, the PA Power Amplifier supports an operating temperature range of -40°C to 65°C and a storage temperature range of -55°C to 100°C. The module’s rugged design ensures stable performance in field applications, laboratory settings, or mobile setups.

Conclusion

The PA Power Amplifier is a high-performance, reliable, and versatile solution for COFDM RF transmission systems. With excellent gain, linearity, and output power, this module ensures superior performance for digital TV broadcasting, UAV video transmission, and professional wireless communication systems. Its compact design, low noise, and multiple frequency options make it a flexible choice for a wide range of applications, providing users with efficient, high-quality RF amplification for demanding COFDM transmission scenarios.

Whether for research, professional broadcasting, or UAV video systems, the PA Power Amplifier is the ideal module for enhancing RF power and ensuring reliable signal transmission with minimal distortion.