MMG3015NT1 - 0-6 GHz InGaP HBT 15.5 dB GPA RF Amplifier | NXP
Référence : MMG3015NT1 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $3.2 | $3,20 |
| 10 | $2.85 | $28,50 |
| 100 | $2.4 | $240,00 |
| 500 | $2.05 | $1 025,00 |
| 1 000 | $1.78 | $1 780,00 |
MMG3015NT1 Présentation
A general purpose amplifier (GPA) is an RF/microwave building block that boosts low-level signals without adding significant distortion, serving as a transparent gain stage between the antenna/LNA and downstream mixers, filters, or detector chains. InGaP HBT technology combines a GaAs electron-transport layer with an InGaP emitter, giving reliable RF performance, high linearity, and robust thermal behavior compared to silicon-only BJTs. Within the RF & wireless ecosystem, the MMG3015NT1 sits in the small-signal amplifier (SSA) family, above bare transistors and below integrated RF front-end modules (FEMs).
The MMG3015NT1's internally-matched 50-ohm input and output ports allow PCB designers to drop the part into a 50-ohm transmission-line footprint without external matching networks, reducing BOM count and board area. Specified at 20.5 dBm P1dB/Psat and 15.5 dB small-signal gain across DC to 6 GHz, the device replaces discrete RF transistor + bias network designs in broadband front-ends. Its SOT-89-4 (TO-243AA) package combines the thermal advantage of an exposed collector tab with a compact 4-lead SMT footprint suitable for high-density RF layouts.
Pin-compatible alternatives in the same SOT-89-4 footprint include NXP's MMG3015N family variants and competing InGaP HBT GPAs from other vendors that share the 0-6 GHz bandwidth, 50-ohm internal matching, and similar gain/output power envelopes. When laying out the PCB, the exposed pad (collector/die attach) MUST be soldered to a thermal via array to keep the junction within rated limits.
Typical applications include cellular/PCS/WLL/PHS driver amplifiers, UMTS small-signal front-ends, CATV/VHF/UHF gain blocks, broadband test instrumentation, and IF buffer stages. The wide 0-6000 MHz bandwidth makes it a particularly good fit for multi-band and software-defined-radio (SDR) front-end designs where one gain block covers several bands.
Alternatives de remplacement direct pour MMG3015NT1 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MMG3015NT1-NXP
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MMG3015N
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
MMG3015NT1 Valeurs maximales et caractéristiques électriques
| Technology | InGaP HBT (Heterojunction Bipolar Transistor) |
| Fonction | General Purpose Amplifier (GPA) |
| Frequency Range | 0 Hz to 6000 MHz |
| Small-Signal Gain | 15.5 dB |
| Saturated Output Power (Psat) | 20.5 dBm |
| Operating Class | Class A, small-signal |
| Input Matching | Internally matched to 50 ohm |
| Output Matching | Internally matched to 50 ohm |
| Boîtier | SOT-89-4 (TO-243AA) |
| Type de montage | Surface Mount |
| Nombre de broches | 4 |
| Application Bands | Cellular, PCS, BWA, WLL, PHS, CATV, VHF, UHF, UMTS |
| Statut RoHS | Compliant |
| Lead-Free | Yes |
| Operating Mode | Single-ended, 50-ohm |
Configuration des broches de MMG3015NT1
| Broche 1 | RF IN — RF input, internally matched to 50 ohm |
| Broche 2 | GND — Ground |
| Broche 3 | RF OUT / Drain — RF output and DC bias feed, internally matched to 50 ohm |
| Broche 4 | VCC / Bias — DC supply / bias connection (collector) |
Applications typiques
MMG3015NT1 convient pour 6 applications: Cellular / PCS Driver Amplifier, CATV / VHF / UHF Broadband Gain Block, Software-Defined Radio (SDR) Front-End, WLL / PHS Base-Station Driver, UMTS / 3G Transmit Driver, Test & Measurement Instrumentation.
Cellular / PCS Driver Amplifier
The MMG3015NT1 sits between the front-end filter and the mixer/demodulator as a Class A driver amplifier in cellular and PCS transceivers. Its 50-ohm internal matching at both ports lets the PCB designer drop the part into a 50-ohm microstrip run without external LC networks, saving BOM and board area. With a small-signal gain of 15.5 dB and saturated output power of 20.5 dBm, it provides enough linear headroom for the compression-sensitive ACLR/EVM budgets that 3G/4G base-station and femtocell front-ends require. The 0-6 GHz bandwidth also covers DCS1800, PCS1900 and UMTS2100 in a single footprint, simplifying multi-band radio designs.
Recommandé
CATV / VHF / UHF Broadband Gain Block
CATV head-end and distribution equipment uses the MMG3015NT1 as an in-line gain block from VHF through UHF and into the lower microwave band. The InGaP HBT process delivers the CSO/CTB linearity needed for multi-channel analog and QAM distribution, while the 50-ohm internal matching lets the same gain stage serve multiple forward-path splits without per-band retuning. The 15.5 dB gain easily compensates for splitter losses, and the 20.5 dBm Psat gives headroom for composite power across dense channel lineups without driving the part into compression.
Recommandé
Software-Defined Radio (SDR) Front-End
Modern software-defined radio receivers from HF through 6 GHz benefit from a transparent broadband gain stage after the antenna or LNA. The MMG3015NT1's 0-6000 MHz bandwidth, flat 15.5 dB gain and 50-ohm port matching make it ideal as an IF or post-LNA buffer feeding high-speed ADCs in SDR platforms. Its InGaP HBT linearity preserves the dynamic range needed for high-order QAM and OFDM demodulation while keeping noise figure contribution low compared to discrete RF transistor designs. Using the same SOT-89-4 part across bands simplifies BOM and qualification for multi-band tactical and commercial SDRs.
Recommandé
WLL / PHS Base-Station Driver
Fixed wireless local-loop (WLL) and PHS base-station transmitters use the MMG3015NT1 as a driver amplifier before the final power stage. Its 20.5 dBm Psat gives a comfortable starting point for cascaded lineups targeting 1-3 W output, while the 15.5 dB small-signal gain tightens gain budgeting without extra stages. Internal 50-ohm matching means a single PCB footprint supports WLL/PHS frequencies across their allocated bands, reducing SKU complexity for equipment manufacturers.
Recommandé
UMTS / 3G Transmit Driver
UMTS transmit chains require linear amplification to keep ACLR within the 3GPP spectral mask, and the MMG3015NT1's InGaP HBT Class A bias point is well-suited for this duty. With 15.5 dB gain and 20.5 dBm Psat, the part can sit between the modulator and the power amplifier to set the correct drive level. The 0-6 GHz bandwidth covers UMTS bands I through VIII plus the lower 2.6 GHz band in a single matched footprint, and the SOT-89-4 thermal pad removes the need for external heatsinking at typical UMTS driver levels.
Recommandé
Test & Measurement Instrumentation
RF test equipment such as bench signal generators, spectrum-analyzer front-ends and lab-grade gain-block fixtures uses the MMG3015NT1 as a calibrated 15.5 dB buffer. Its 50-ohm input and output are matched directly to lab instruments without external pads, and the InGaP HBT process gives flat gain and predictable S-parameters across the 0-6 GHz range for accurate amplitude reference. The 20.5 dBm Psat protects downstream instruments when the source is accidentally over-driven or in compression-curve characterization.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MMG3015NT1 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MMG3015NT1-NXP | MMG3015N |
|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | SOT-89-4 (TO-243AA) | SOT-89-4 (TO-243AA) - same | SOT-89-4 (TO-243AA) - same |
| Technology | InGaP HBT | InGaP HBT | InGaP HBT |
| Frequency Range | 0 to 6000 MHz | 0 to 6000 MHz | 0 to 6000 MHz |
| Small-Signal Gain | 15.5 dB | 15.5 dB | 15.5 dB |
| Saturated Output Power (Psat) | 20.5 dBm | 20.5 dBm | 20.5 dBm |
| Input Matching | Internally matched 50 ohm | Internally matched 50 ohm | Internally matched 50 ohm |
| Output Matching | Internally matched 50 ohm | Internally matched 50 ohm | Internally matched 50 ohm |
| Operating Class | Class A, small-signal | Class A, small-signal | Class A, small-signal |
Principaux différenciateurs
- Broadest 0-6 GHz bandwidth in same SOT-89-4 footprint (vs MMG3015N base MPN)
- Internally matched 50-ohm ports eliminate external LC networks (vs Discrete BJT/FET RF transistor designs)
- InGaP HBT process for superior RF linearity (vs Silicon BJT small-signal RF transistors)
Notes de conception
The SOT-89-4 package uses an exposed metal back tab that functions as both the collector DC connection AND the primary thermal path. At the rated 20.5 dBm Psat with Class A bias the HBT junction can dissipate several hundred milliwatts; the back tab MUST be soldered to a PCB thermal pad with at least 4 thermal vias to the internal ground plane. Without this thermal anchor, junction temperature can rise beyond 150 C and reduce long-term gain and Psat.
Keep the RF input (pin 1) and RF output (pin 3) traces as short and direct as possible to a 50-ohm microstrip or coplanar-waveguide transition. Despite internal matching, the SOT-89-4 lead-frame inductance can introduce gain ripple above 4 GHz if PCB traces are longer than a few millimetres. Place the bias decoupling capacitor at pin 4 within 2 mm of the pad and use a 1 nF + 100 pF pair for wideband RF isolation of the DC supply.
Do NOT bias the MMG3015NT1 directly from an unregulated DC-DC converter ripple - the InGaP HBT linearity is sensitive to supply noise above 10 MHz, and supply ripple will degrade EVM/ACLR in 3G/4G driver applications. Provide a low-noise LDO (e.g. an LP2985 or similar) plus ferrite bead between the DC-DC output and the MMG3015NT1's bias pin, and confirm the bias point remains in Class A across the entire -40 C to +85 C industrial temperature range.
Informations de conformité
RoHS compliant per NXP product page. Halogen-free status not explicitly confirmed in verified web data; halogen-free field marked unknown. Not AEC-Q100 qualified - MMG3015NT1 targets commercial/industrial RF applications, not automotive.
