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power amplifier

Heat Sink and Cooling Fan 300-6000MHz 100W Power Amplifier with DDS Signal Generator Integrated

ZD-DPAB-X/XM-100W
This high-performance 100W Power Amplifier integrates a DDS Signal Generator and features a robust heat sink and cooling fan system, ensuring stable operation across a wide frequency range of 300–6000 MHz. Designed for RF applications, it delivers exceptional power output with high efficiency and low distortion, making it ideal for testing, communication, and industrial use. The built-in Direct Digital Synthesis (DDS) Signal Generator provides precise frequency control, allowing customizable waveforms and fine-tuned signal adjustments. The advanced cooling system combines an aluminum heat sink and an efficient cooling fan to maintain optimal temperatures, even under continuous high-power operation, enhancing durability and performance. With a compact and user-friendly design, this amplifier offers reliable amplification for laboratory, military, and amateur radio applications. Its wide bandwidth, high gain, and thermal protection ensure safe, long-term usage. Whether for RF experiments, signal boosting, or system integration, this 100W amplifier with DDS and active cooling is a versatile and powerful solution for demanding high-frequency applications.
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This 300-6000MHz power amplifier is a cutting-edge ultra wideband amplifier designed for high-power RF applications, delivering up to 100W of output power with exceptional efficiency and stability. Featuring an integrated DDS integrated module, it provides precise frequency synthesis, allowing users to generate customizable waveforms with fine-tuned control. The signal generator supports a broad operational range, making it ideal for communications, testing, and specialized applications such as GPS jammer systems. With a conversion efficiency of ≥42%, this ultra wideband amplifier ensures optimal performance while minimizing energy waste. The 300-6000MHz power amplifier also includes advanced power management, offering software-adjustable output from 10W to 100W and an ALC power adjustment range of ≥30dB, ensuring flexibility across various use cases.


The DDS integrated module enhances signal accuracy, while the 300-6000MHz power amplifier maintains excellent in-band fluctuation (≤2.5dB peak-to-peak) and low spurious emissions, meeting stringent RF standards. Built for rugged environments, it operates within a wide temperature range (-10°C to +65°C) while maintaining gain stability (±1.5dB) and power stability (±1dB). The ultra wideband amplifier is equipped with a high-efficiency cooling system, combining an aluminum heat sink and a built-in fan to ensure thermal management even under continuous high-power operation. Whether used in military communications, RF testing, or as part of a GPS jammer system, this 300-6000MHz power amplifier delivers unmatched reliability and performance. Designed for versatility, this DDS integrated module features an LCD display for real-time monitoring of frequency, power, and operational status, along with LED indicators (POWER, RUN, ALARM) for quick diagnostics. The compact 155 x 125 x 60mm enclosure houses a robust N-F connector for RF output and supports RS485 monitoring, enabling seamless integration into larger systems. With a weight of just 1.6kg, this 300-6000MHz power amplifier is suitable for both stationary and portable applications, including GPS jammer deployments where precision and power are critical. The ultra wideband amplifier’s input and output VSWR (≤1.35) ensures minimal signal reflection, while its high allowable input power (≥+10dBm) guarantees durability. Whether for commercial, military, or research purposes, this signal generator and power amplifier combination represents the pinnacle of RF technology, offering unparalleled flexibility and performance in a single, efficient package.


The 300-6000MHz power amplifier with integrated DDS signal generator offers advanced software control and real-time monitoring capabilities, ensuring precise operation and system protection. Users can turn the amplifier on or off remotely, along with enabling or disabling the alarm function for customized fault management. The downlink power control feature allows dynamic adjustment of the maximum output power with a range of ≥20dB, supporting high, medium, and low power levels for flexible application requirements. To safeguard the ultra wideband amplifier, multiple protection mechanisms are implemented. An over-temperature alarm triggers an automatic shutdown if the amplifier exceeds 85°C, with operation resuming once cooling brings the temperature below 65°C. The system also monitors for overpower conditions, shutting down if the output exceeds the ALC threshold by 2dB. Additional safety features include a standing wave alarm (VSWR > 4), overcurrent protection (12A limit), under-power alert (32V), ensuring robust operation under varying conditions.


Real-time query parameters provide comprehensive system diagnostics. Users can check the amplifier’s on/off status, output power level (Pout±1dB accuracy), and standing wave ratio (normally 1.2, rising to 4.0 under mismatch). The module’s internal temperature is monitored with ±3℃ precision, while ALC settings, voltage, and current are displayed for performance optimization. The DDS signal generator supports three frequency-setting modes: single-frequency selection (1MHz accuracy, up to 6GHz), broadband sweep (adjustable steps/intervals), and four programmable sub-bands for multi-frequency operation. Communication is facilitated via RS485, with a defined interface for 28V power, GND, and 485A/B control lines, ensuring seamless integration into larger RF systems. This intelligent control system enhances the 300-6000MHz power amplifier’s versatility, making it ideal for applications such as GPS jammer systems, military communications, and high-power RF testing, where precision and reliability are critical.

Item

Parameter

Unit

Remarks

Operating Voltage

28

V

24-30V

Conversion efficiency

≥42%

%

@100W typical

Controllable output power

10W100W

W

Software set power level

ALC power adjustment range

≥30

dB

Voltage Controlled Attenuation

gain

50±1.0

dB

In-band fluctuation

≤2.5

dB

peak-to-peak

spurious

emission 

In working band

≤-15dBm/1MHz

dBm

Measured when the center frequency plus CW signal to the maximum output power

out of work band

9KHz1GHz

No higher than normal noise floor clutter

dBm

1G12.75GHz

dBm

Maximum allowable input power

≥+10dBm

dBm

Lasts 1min without damage

Input VSWR

≤1.35

Add +28V, standard network output -10dBm

Output VSWR

≤1.30

No power, standard network output -10dBm

≤1.35

Power On, Dual Directional Coupler Test

High and lowtemperature test

Working ambient temperature (℃)

-10+65

Low temperature can start, monitoring works normally

Gain Stability

±1.5 @-40℃+65℃

dB

power stability

±1 @-40℃+65℃

dB

Power Requirements

≥8A @+28Vdc

CW output 100W

Power supply interface, monitoring interface RS485

7W2

Male

RF output connector

N-F connector

LCD liquid crystal display

Display frequency, power, switch status

with 3 LED lights

POWER: Power indication; RUN: Running indication; ALARM: Alarm indication;

Built-in cooling fan

Modules can be run separately

physical dimension

155 x 125 x 60mm

Weight

1.6Kg

Appearance (how to use)

Black integrated module with fan (single or portable use)