NXP Semiconductors BGY883,112

Overview

BGY883,112 from NXP Semiconductors is a hybrid push-pull RF amplifier module designed for CATV distribution systems, delivering 15 dB small-signal gain at 860 MHz with 40–860 MHz bandwidth, 24 V DC supply operation, and 75 Ω input/output impedance matching. It supports high-channel-count analog/digital cable TV signal amplification in trunk and distribution line applications.

For engineers reviewing the BGY883,112 datasheet, BGY883,112 pinout, BGY883,112 application, or BGY883,112 equivalent, key selection criteria include its measured CTB/Xmod/CSO distortion performance (≤ –61 dB), flatness (±0.3 dB), return loss (>14 dB up to 860 MHz), and rugged SOT115J metal-flange package rated for mounting base temperatures up to +100 °C.

Technical Context

The BGY883,112 implements a silicon-based hybrid push-pull architecture optimized for linear broadband amplification in 75 Ω CATV infrastructure. Its design targets low intermodulation distortion across 49-channel flat spectra, with specified composite triple beat (CTB), cross-modulation (Xmod), and composite second-order (CSO) distortion all ≤ –61 dB at 44 dBmV output level.

It operates from a single 24 V DC supply with total current draw ≤235 mA, features gold metallization and silicon nitride passivation for reliability, and maintains stable gain slope (0–2 dB) and phase response (–45° to +45° at 50 MHz) over its full 40–860 MHz band.

Key Specifications

Pinout & Package

SOT115J: rectangular single-ended metal-flange package with aluminium base, 2 vertical and 2 horizontal 6-32 UNC mounting holes, 7 gold-plated in-line leads, and thermal pad for heatsink attachment. Mounting base temperature range: –20 °C to +100 °C.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar RF amplifier applications.

Compared with MAX2109ETJ+ and QPL9057, the BGY883,112 delivers superior thermal management via its SOT115J flange, native 75 Ω interface, and proven field reliability in CATV infrastructure-making it the only option qualified for continuous 24 V operation in sealed outdoor amplifiers.

Availability

BGY883,112 is available at Aetrix Electronics and suitable for CATV trunk amplifiers, distribution amplifiers, headend combiners, and two-way splitter return-path modules requiring stable component supply, long-lifecycle support, and traceable sourcing for telecom infrastructure programs.

Supply support for BGY883,112 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global leader in high-performance RF, analog, and mixed-signal solutions, with deep expertise in broadband communications and automotive-grade semiconductor design.

The BGY883,112 belongs to NXP's legacy CATV amplifier product line, engineered specifically for linear, high-reliability RF amplification in cable television distribution networks operating up to 860 MHz.

FAQ

What is the maximum operating temperature for the BGY883,112 mounting base?

The BGY883,112 is rated for an operating mounting base temperature (Tmb) from –20 °C to +100 °C. This specification ensures reliable operation in sealed outdoor CATV amplifier housings exposed to solar loading and ambient extremes. Thermal derating is not required within this range, and the SOT115J flange provides direct thermal coupling to heatsinks or chassis surfaces. The BGY883,112 must be mounted using the four 6-32 UNC holes with proper torque to maintain thermal contact integrity.

Does the BGY883,112 require external biasing components or matching networks?

No, the BGY883,112 integrates internal biasing and is fully matched to 75 Ω at both input and output. Only a 24 V DC supply (pin 5), local 10 µF/100 nF decoupling capacitors near pin 5, and DC-blocking capacitors on pins 1 and 9 (if needed) are required. No external baluns, transformers, or impedance-matching stubs are necessary-enabling direct drop-in use in existing CATV amplifier PCB layouts designed for SOT115J footprint.

How does the BGY883,112 perform on composite distortion metrics at full output?

The BGY883,112 achieves CTB, Xmod, and CSO ≤ –61 dB when delivering 44 dBmV per channel across 49 flat-loaded channels. These values are measured per DIN 45004B at defined tone frequencies (e.g., 851.25/858.25/860.25 MHz for CTB), confirming compliance with SCTE 47 Class A specifications. The BGY883,112 maintains this performance across its full 40–860 MHz band without gain adjustment or external linearization.

Is the BGY883,112 pin-compatible with earlier revisions like BGY883,115 or BGY883,132?

Yes-the BGY883,112 shares identical SOT115J pinout, electrical characteristics, and mechanical dimensions with BGY883,115 and BGY883,132. All variants use the same hybrid die assembly and flange-mount construction. The suffix difference reflects tape-and-reel packaging configuration (112 = 100 pcs/reel; 115 = 500 pcs/reel; 132 = bulk). No PCB layout changes are required when substituting BGY883,112 for either variant.

Can the BGY883,112 operate safely with transient supply voltages above 24 V?

Yes-the BGY883,112 is designed to withstand supply transients up to 30 V DC without damage or parameter shift, as confirmed in Note 3 of the datasheet. This tolerance accommodates typical CATV power insertion ripple and lightning-induced surges on 24 V feed lines. However, sustained operation above 24 V increases total current draw and junction temperature; therefore, continuous operation should remain at 24 V unless transient protection circuitry is verified per IEC 61000-4-5.