47–1800 MHz Forward Amplification

1.8 GHz Forward Amplifier Modules for HFC Networks

SANLAND 1.8 GHz forward amplifier modules support downstream RF amplification in optical nodes, distribution amplifiers and other CATV equipment. The series includes GaN push-pull and power-doubler architectures with 12 V and 24 V supply options.

DOCSIS 3.1 / 4.0 GaN Push-Pull Power-Doubler

Series-Wide Electrical Platform

1.8 GHz Upper frequency

75 Ω System impedance

±0.5 dB Gain flatness

≤ −16 dB S11 / S22

Module Comparison

Compare 1.8 GHz Forward Amplifiers

Review the electrical differences between the 12 V GaN push-pull module and the 24 V push-pull and power-doubler options.

Three available module configurationsScroll horizontally to view all specifications →

Product		RF Performance				Power & Input				System
Part Number	Architecture	Frequency (MHz)	Typical Gain (dB)	Gain Flatness (dB)	S11 / S22 (dB)	Supply (V DC)	Current Typ. / Max. (mA)	Max. NF (dB)	Max. RF Input (dBmV)	DOCSIS
SMG1820DG Datasheet PDF ↗	GaN Push-Pull	47–1800	20	±0.5 max.	≤ −16	12	460 / 480	4.5	70	3.1 / 4.0
SMG1822DG Datasheet PDF ↗	GaN Push-Pull	47–1800	22	±0.5 max.	≤ −16	24	550 / 570	4.6	75	3.1 / 4.0
SMG1823DG Datasheet PDF ↗	Power-Doubler	47–1800	23	±0.5 max.	≤ −16	24	550 / 570	4.6	75	3.1 / 4.0

Amplifier Architecture

Two architectures for downstream RF stages

GaN Push-Pull Modules

Available with 20 dB or 22 dB typical gain and 12 V or 24 V supply choices.

SMG1820DG/SMG1822DG

Power-Doubler Module

A 24 V architecture with 23 dB typical gain and a maximum RF input level of 75 dBmV.

SMG1823DG

Applications

Designed for 1.8 GHz HFC equipment

HFC Optical Nodes

Forward-path RF gain stages after optical-to-electrical conversion.

Distribution Amplifiers

Broadband downstream amplification in CATV distribution equipment.

Line Extenders

Extended-spectrum amplification for outdoor HFC signal paths.

DOCSIS Equipment

Forward-path designs for DOCSIS 3.1 and DOCSIS 4.0 platforms.

1.8 GHz Upgrades

Module options for extending existing HFC equipment bandwidth.

Need Help Selecting a 1.8 GHz Module?

Send your gain, voltage, RF level and equipment requirements to the SANLAND engineering team.

Request a Module Recommendation ↗

info@sanlandtech.com WhatsApp: +86 159 1992 0302

1.8GHz Forward Amplifier Modules