Telecoms, Datacoms, Wireless, IoT


Wideband VHF power amplifiers

21 January 2009 Telecoms, Datacoms, Wireless, IoT

M/A-COM Technology Solutions recently introduced a new pair of wideband VHF power amplifier modules. The 10 W and 40 W modules shorten the final application design stage in mobile, portable and base station communication systems for microwave and RF applications. The multimodulation modules consist of a driver and an output stage with built-in amplitude equalisation and feedback networks.

The MAPM-020512-010C00 10 W device is a dual stage module with over 20 dB gain. It includes a sophisticated ALC control pin that can be used for signal modulation, tight gain flatness or temperature correction, or other similar applications. When the ALC input is used for AM modulation, an external envelope detector is used to sense the output envelope of the power amplifier and supply a feedback signal to the ALC loop to linearise modulation. Modulation bandwidths spans from DC to over 1 MHz, making the module useful for voice, data and video transmission. The device operates in a frequency range between 20 and 512 MHz. Supply voltage is 30 V, input power 20 dBm, output power 20 W and bias current 1,0 A.

The MAPM-020512-040C00 40 W device is very similar to the 010C00 module in both size and performance. The key difference is that it also includes a DC gate bias pin for the MOSFETs rather than an ALC control pin. The 040C00 operates in a frequency range from 20 to 512 MHz. Supply voltage is 30 V, input power 10 W, output power 30 W and bias current 3,0 A.

Both modules have an operating case temperature range from -40°C to 100°C and can be stored in temperatures ranging from -50°C to 100°C.



Credit(s)



Share this article:
Share via emailShare via LinkedInPrint this page

Further reading:

Mobile satellite connectivity available in SA
Telecoms, Datacoms, Wireless, IoT
Space42 has commercially launched its next generation mobile satellite service, Thuraya 4 NGS, available in South Africa as of February 2026.

Read more...
Next-gen Wi Fi 6E connectivity for embedded systems
iCorp Technologies Telecoms, Datacoms, Wireless, IoT
Espressif Systems has expanded its connectivity portfolio with the introduction of the ESP32-E22, the company’s first Wi-Fi 6E connectivity co-processor.

Read more...
Quectel redefines connectivity with RG660Qx 5G Series
iCorp Technologies Telecoms, Datacoms, Wireless, IoT
Purpose-built to meet the demands of next-generation IoT and wireless broadband, these modules leverage the cutting-edge Qualcomm X85 and X82 5G Modem-RF systems to deliver enterprise-grade performance.

Read more...
Contactless IO-Link couplers
IOT Electronics Telecoms, Datacoms, Wireless, IoT
The IO-Link couplers from Phoenix Contact are industrial contactless couplers designed to transmit power and IO-Link data across a small air gap without physical connectors.

Read more...
Quectel’s RG255C-NA and RM255C-GL accelerate 5G RedCap adoption
iCorp Technologies Editor's Choice Telecoms, Datacoms, Wireless, IoT
Quectel’s RG255C-NA and RM255C-GL modules represent a strategic move into this fast-growing segment, delivering Sub-6 GHz 5G connectivity optimised for mid-tier IoT applications.

Read more...
SDRs – Which RF architecture should you choose?
RFiber Solutions Editor's Choice Telecoms, Datacoms, Wireless, IoT
There are several common methods of implementing SDR architectures. This paper discusses which is best when meeting a specific need.

Read more...
Multi-band GNSS patch antenna
RF Design Telecoms, Datacoms, Wireless, IoT
The Taoglas AHP2356A is a compact, high-performance active GNSS patch antenna designed for next-generation positioning systems requiring precision, reliability, and multi-constellation support.

Read more...
Cellular routers for explosive areas
Phoenix Contact Telecoms, Datacoms, Wireless, IoT
Updated versions of the Cellulink outdoor cellular router product range from Phoenix Contact are now available; they have been specially developed for use in Zone 2 potentially explosive areas.

Read more...
Power the next wave of IoT innovation
Links Field Networks Telecoms, Datacoms, Wireless, IoT
Links Field Networks’ portfolio includes connectivity platforms, edge devices, and network management tools designed to support secure, resilient IoT deployments across a range of use cases.

Read more...
Move to smart agriculture
Otto Wireless Solutions Telecoms, Datacoms, Wireless, IoT
Designed for precision agriculture, the RAKwireless SensorHub is a modular, industrial-grade IoT platform that collects real-time environmental and soil data across farming operations.

Read more...









While every effort has been made to ensure the accuracy of the information contained herein, the publisher and its agents cannot be held responsible for any errors contained, or any loss incurred as a result. Articles published do not necessarily reflect the views of the publishers. The editor reserves the right to alter or cut copy. Articles submitted are deemed to have been cleared for publication. Advertisements and company contact details are published as provided by the advertiser. Technews Publishing (Pty) Ltd cannot be held responsible for the accuracy or veracity of supplied material.




© Technews Publishing (Pty) Ltd | All Rights Reserved