Wideband Preamplifier with 50 dB Gain
PAM-118H — 500 MHz–18 GHz, 50 dB gain (applications)
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High-gain front end for ultra-low-level emissions, small DUTs, and long test distances in large chambers.
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Antenna-side placement to pull signals out of the chamber ambient, especially where ambient or site noise masks the DUT.
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Compensate heavy path losses from long cables, preselectors, attenuators, and RF switches before the receiver front end.
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Pre-scan and debug faster by running lower RBW or quicker sweeps while still resolving marginal lines.
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Ideal with small-aperture or low-gain horns, where received levels are especially low above 1 GHz.
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Differentiate real DUT emissions from ambient, improving decision-making during early design fixes.
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Support 10 m radiated work where the field strength drops quickly with distance and cable loss dominates.
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Battery-powered at the antenna to reduce conducted noise from bench supplies in sensitive setups.
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Receive-only usage; do not insert in transmitter or immunity injection paths.
Ultra Wideband: 500 MHz to 18 GHz
High Gain: 50 dB (typical)
Low Noise Figure: <4 dB
Pout @ 1 dB Gain Compression: +9 dBm
Pout @ 3 dB Intercept Point: +17 dBm
Power Sources: Internal Battery &
External AC/DC Adapter
Frequency Range: 500 MHz to 18 GHz
Gain: 50 dB (typical)
Gain Flatness: ±2.5 dB
RF Input/Output Impedance: 50Ω (nominal)
RF Input/Output Connectors: Precision N-type (female)
VSWR (Input Port): <1.7:1 (max)
VSWR (Output Port): <2:1 (max)
Noise Figure: <4 dB
Pout @ 1 dB Compression: +9 dBm (typical)
Pout @ 3 dB Intercept Point: +17 dBm (typical)
Maximum RF Input Level: 0 dBm
Maximum DC Input Level: 0 Volts DC
Reverse Isolation: >50 dB (typical)
Battery Pack: 6 Volts, 2 Ah NiMH (rechargeable)
Battery Operating Time: 13 Hours (typical)
DC Power Adapter: +12 Volts DC, 2 Amperes (regulated)
DC Adapter Connector Type: 5.5 x 2.5 mm
Size (L x W x H): 8 x 6 x 2.375 inches (203 x 152 x 60 mm)
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