PRA3GxxD 80 Hz - 3 GHz, 20 & 40 dB Broadband Preamplifiers

Broadband Amplification – Covers 80 Hz – 3 GHz
High Gain Options – 20 dB or 40 dB for signal boosting
Superior EMI Shielding – Operates in fields >500 kV/m
Battery-Powered – Up to 27-hour autonomy
Low Noise Performance – Ensures clean signal amplification
Rugged & Compact – SMA connectors, lightweight design

PARTNER:

MONTENA TECHNOLOGY SA

MARKETS:

TEST STANDARDS:

MIL-STD-188-125-1 ,
MIL-STD-188-125-2 ,
MIL-STD-331 ,
MIL-STD-461 ,
MIL-STD-461 RS105 ,
MIL-STD-464 ,
NATO AECTP-250 Leaflet 253 (STANAG 4235) ,

Select Options/Sizes:

Data Sheet PRA3GxxD

SPECIFICATIONS

PRA3GxxD Broadband Preamplifiers – High-Performance EMC Signal Amplification

Ultra-Wideband, Battery-Powered Preamplifier for Harsh Electromagnetic Environments

The PRA3GxxD Preamplifier Series by Montena is a high-performance broadband amplifier designed for EMC, RF, and antenna measurements. Engineered for operation in harsh electromagnetic environments, this battery-powered preamplifier ensures standalone, interference-free amplification with superior shielding effectiveness. With an extended frequency range of 80 Hz to 3 GHz, it is ideal for enhancing low-level signal detection in demanding test conditions.

Two versions are available:

PRA3G20D – 20 dB Gain
PRA3G40D – 40 dB Gain

Key Features & Benefits

Ultra-Wideband Frequency Range: 80 Hz – 3 GHz with ±1.5 dB flat response.
High Gain Options: 20 dB (PRA3G20D) or 40 dB (PRA3G40D) for optimized signal amplification.
Robust Electromagnetic Shielding: Operates in extreme conditions, immune to fields >500 kV/m (MIL-STD 461 RS105 E/F/G).
Standalone, Battery-Powered: Fully independent with up to 27-hour battery life.
Low Noise Performance: Ensures clean signal amplification with a noise figure of 3.3 dB (20 dB model) and 4 dB (40 dB model).
Compact & Lightweight Design: 99 x 64 x 41 mm, 350 g, perfect for field applications.
Rugged SMA Connectors: Ensures seamless 50 Ω impedance matching.
High Input Protection: ESD protection up to 15 kV (IEC 61000-4-2) and max input power of 20 dBm.

Technical Specifications

Specification	PRA3G20D	PRA3G40D
Frequency Range (-3 dB)	80 Hz – 3 GHz	80 Hz – 3 GHz
Gain	20 dB	40 dB
Output Power (1 dB Compression @ 2 GHz)	+9.9 dBm	+9.9 dBm
Noise Figure	3.3 dB	4 dB
Input VSWR	1.2 typ.	1.2 typ.
Absolute Max Input Power	20 dBm	20 dBm
Input ESD Protection	IEC 61000-4-2 (15 kV)	IEC 61000-4-2 (15 kV)
Immunity to External Fields	>500 kV/m (MIL-STD 461 RS105 E/F/G)	>500 kV/m (MIL-STD 461 RS105 E/F/G)
Connectors	SMA	SMA
Impedance	50 Ω	50 Ω
Battery Life	27 hours	17 hours
Dimensions (L x W x H)	99 x 64 x 41 mm	99 x 64 x 41 mm
Weight	350 g	350 g

Applications

EMC & RF Testing: Ideal for amplifying weak signals in electromagnetically disturbed environments.
Antenna & Sensor Measurements: Enhances signal-to-noise ratio for sensitive field measurements.
High-Power Pulse & NEMP Testing: Operates in extreme fields >500 kV/m, ensuring clean signal transmission.
Remote & Portable Testing: Battery-powered, standalone operation for laboratory and field applications.

Ordering Information

Reference	Description
PRA3G20D	Broadband Preamplifier, 80 Hz – 3 GHz, 20 dB gain, battery-powered, SMA connectors.
PRA3G40D	Broadband Preamplifier, 80 Hz – 3 GHz, 40 dB gain, battery-powered, SMA connectors.

Why Choose Absolute EMC?

Authorized North American Partner for Montena – Expert sales & support.
Industry-Leading EMC & RF Solutions – Reliable, high-performance products.
Seamless System Integration – Designed for compatibility with EMC, RF, and antenna measurement setups.