MMG3002NT1 - 40-3600 MHz, 20 dB, InGaP HBT GPA | NXP
料号： MMG3002NT1 ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $4.2 | $4.20 |
| 10 | $3.78 | $37.80 |
| 100 | $3.36 | $336.00 |
| 500 | $2.98 | $1,490.00 |
| 1,000 | $2.65 | $2,650.00 |
MMG3002NT1 概述
A general-purpose RF amplifier (GPA) is a wideband, low-noise, moderate-power gain block used as the front-end building block of a receiver or transmitter signal chain, sitting between the antenna filter and the application-specific downstream circuitry. GPAs are categorized within RF/microwave amplifiers, which themselves belong to the broader semiconductor amplifier hierarchy (RF amplifier -> amplifier IC -> analog IC -> integrated circuit). The MMG3002NT1 is designed for Class A, small-signal, high-linearity applications where predictable gain flatness and unconditional stability are critical.
Key specifications include a frequency range of 40 to 3600 MHz, 20 dB typical gain, 21 dBm P1dB output power, and built-in 50 ohm matching. The InGaP HBT process provides superior linearity and thermal stability compared to conventional silicon bipolar, making the part well suited to dense PCB layouts where heat dissipation is a concern. The SOT-89 package offers a small footprint while still providing a low thermal resistance path through the collector tab.
Typical applications include cellular, PCS, broadband wireless access (BWA), wireless local loop (WLL), PHS, CATV, VHF/UHF, UMTS and other general-purpose small-signal RF front-end stages. The internal matching network makes the part usable as a drop-in gain block from 40 MHz up through the 2.5 GHz and 3.5 GHz wireless bands without external component tuning.
When designing with the MMG3002NT1, ensure the exposed tab is soldered to an adequate ground-plane copper pour for thermal relief, since Class A operation at full P1dB dissipates roughly 400 mW into the package. Add a 1 nF to 100 nF decoupling capacitor close to the VCC pin and a small series inductor or ferrite bead if additional isolation from the supply is required for the noise-sensitive stages downstream.
This page synthesizes distributor availability, parametric comparison with true drop-in SOT-89 RF amplifiers, and practical bias/layout design notes that go beyond the manufacturer datasheet to help engineers select and integrate the part quickly.
直接替换替代料： MMG3002NT1 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： MMG3002NT1 （相同外形与封装尺寸） ——差异在于 RF Type, Supply Current, Frequency Range, Input Matching, Output Matching.
快速对比工具——选择替代料号进行并排对比：
MMG3001NT1
✅ 直接替换✓ 有现货
$1.68 / 个
查看数据手册 →MMG3003NT1
✅ 直接替换✓ 有现货
$2.63 / 个
查看数据手册 →ADL5611ARKZ-R7
✅ 直接替换📋 参考替代料（不在目录中）
TQP3M9008
✅ 直接替换📋 参考替代料（不在目录中）
MMG3002NT1 最大额定值与电气特性
| Technology | InGaP HBT (Heterojunction Bipolar Transistor) |
| 功能 | General Purpose RF Amplifier (Class A) |
| Frequency Range | 40 MHz to 3600 MHz |
| Small-Signal Gain | 20 dB (typical) |
| Output Power (P1dB) | 21 dBm (typical) |
| 电源电压 | 5.2 V (typical) |
| 电源电流 | 110 mA (typical) |
| Input / Output Impedance | Internally matched to 50 ohm |
| 封装 / 外壳 | TO-243AA (SOT-89) |
| 安装类型 | Surface Mount |
| RF Type | General Purpose |
| Operating Mode | Class A, small-signal, high linearity |
| 引脚数 | 4 (3 + Tab) |
| Packaging | Tape & Reel (TR) |
| RoHS 状态 | Compliant |
MMG3002NT1 引脚配置
| 引脚 1 | RF IN — RF input, internally matched to 50 ohm |
| 引脚 2 | GND — DC ground (connected to PCB ground pour) |
| 引脚 3 | RF OUT / VCC — RF output (internally matched to 50 ohm) and DC supply (5.2 V typical via bias network) |
| 引脚 4 | TAB (GND) — Exposed collector tab - thermal and electrical ground, must be soldered to PCB |
典型应用
MMG3002NT1 适用于 6 应用s: Cellular and PCS Front-End Driver, Broadband Wireless Access (BWA) and WLL Gain Stage, CATV Reverse-Path Amplifier, UMTS / 3G IF and Small-Signal Test Equipment, VHF/UHF General-Purpose Receiver Front-End, Industrial / IoT Small-Signal RF Module.
Cellular and PCS Front-End Driver
The MMG3002NT1's 40 MHz to 3600 MHz bandwidth, 20 dB gain and 21 dBm P1dB make it a natural fit as a driver stage in cellular and PCS transmitters where the upconverter chain needs predictable broadband gain. Placed between the SAW filter and the power amplifier, it provides a flat 20 dB block to overcome mixer-to-PA insertion loss. With internal 50 ohm matching, it drops into a 50 ohm PCB trace with only DC blocking and bias decoupling, and the InGaP HBT process gives the linearity required for UMTS/PCS modulation schemes. Compared with a discrete BJT driver, it eliminates external matching components and reduces PCB area. Bias the part from a clean 5.2 V rail with a 100 nF decoupling cap for unconditional stability across the band.
推荐
Broadband Wireless Access (BWA) and WLL Gain Stage
Fixed-wireless and WLL customer-premises equipment in the 2.3 to 3.5 GHz bands requires broadband small-signal gain before the final power stage. The MMG3002NT1 covers the entire 40 to 3600 MHz range in a single gain block, eliminating band-specific amplifier variants. Its 21 dBm P1dB gives adequate drive to a downstream PA while the 50 ohm internal matching lets the designer route the part directly from the modem chipset to the antenna filter. The exposed collector tab also keeps the junction temperature manageable in sealed outdoor CPE enclosures. A small ferrite bead on the 5 V supply helps isolate the GPA from modem switching noise on the shared rail.
推荐
CATV Reverse-Path Amplifier
CATV reverse-path and upstream infrastructure operates in the 5 to 200 MHz band where the MMG3002NT1's 40 MHz lower edge provides comfortable headroom. Used as a line-extender or upstream gain stage, its 20 dB gain compensates for splitter/combiner losses while the InGaP HBT linearity keeps distortion products low across many simultaneous upstream carriers. The SOT-89 package allows dense multi-stage amplifier layouts inside CATV node housings. Compared with a hybrid push-pull module, it saves board area and eliminates the bias-balancing trim step. Bias the part from a regulated 5.2 V rail and decouple the supply with at least 100 nF to ground.
推荐
UMTS / 3G IF and Small-Signal Test Equipment
UMTS and 3G test equipment, signal generators and instrumentation front-ends need a flat, broadband gain block from DC up through several GHz. The MMG3002NT1's 40 to 3600 MHz range covers the UMTS bands plus most of the IF and LO chains inside the test instrument. Its 20 dB gain and 21 dBm P1dB give ample headroom for ADC driver or upconverter LO paths, while the 50 ohm matching lets the part sit directly on the instrument's 50 ohm transmission lines. The SOT-89 tab simplifies thermal management in rack-mount chassis where multiple gain stages are stacked.
推荐
VHF/UHF General-Purpose Receiver Front-End
Two-way radio, scanner and general VHF/UHF receiver front-ends benefit from the MMG3002NT1's broadband 40 to 3600 MHz coverage and 20 dB small-signal gain to set the noise figure ahead of the mixer. The InGaP HBT process gives better OIP3 than a similarly priced silicon BJT, important for intermodulation performance in dense urban RF environments. Used ahead of the first mixer, the MMG3002NT1 eliminates band-specific LNA variants across VHF, UHF and 800/900 MHz services. Add a SAW bandpass filter between the antenna and the GPA input to prevent out-of-band blockers from compressing the 21 dBm P1dB output.
推荐
Industrial / IoT Small-Signal RF Module
Industrial sensor links, remote metering and short-range IoT radios that operate in the sub-3.5 GHz ISM and proprietary bands need a compact, low-cost broadband gain block. The MMG3002NT1 fits the 4-pin SOT-89 footprint common in RF modules and gives 20 dB gain with internal 50 ohm matching, removing the cost of external matching networks. Its 5 V / 110 mA bias is compatible with typical 3.3 V LDO-derived rails boosted to 5 V by a small charge pump. In a smart-meter or asset-tracker RF front-end, it boosts the TX driver ahead of the PA or improves RX sensitivity when placed after the antenna switch.
推荐
推荐产品汇总
工程参考数据： MMG3002NT1 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | MMG3001NT1 | MMG3003NT1 | ADL5611ARKZ-R7 | TQP3M9008 |
|---|---|---|---|---|---|
| Package | SOT-89 (TO-243AA), 4-pin (3+Tab) | SOT-89 (TO-243AA) - same | SOT-89 (TO-243AA) - same | SOT-89 (4-pin, 3+Tab) - same | SOT-89 - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | Analog Devices | Qorvo |
| Frequency Range | 40 MHz to 3600 MHz | 40 MHz to 3600 MHz | 40 MHz to 3600 MHz | DC to 6000 MHz (wider) | 50 MHz to 4000 MHz |
| Small-Signal Gain | 20 dB | ~15 dB (lower) | ~23 dB (higher) | ~15.5 dB | ~14 dB |
| Output Power (P1dB) | 21 dBm | 21 dBm | 21 dBm | ~21 dBm | ~20 dBm |
| Supply Voltage | 5.2 V | 5.2 V | 5.2 V | 5.25 V | 5 V |
| Supply Current | 110 mA | ~110 mA | ~110 mA | ~90 mA | ~80 mA |
| Technology | InGaP HBT | InGaP HBT | InGaP HBT | SiGe BiCMOS | GaAs pHEMT |
| Internal Matching | Yes (50 ohm input and output) | Yes | Yes | Yes | Yes |
关键差异点
- Broadest InGaP HBT gain block in the same SOT-89 footprint at this gain level （对比 MMG3001NT1 / MMG3003NT1)
- InGaP HBT process for higher linearity than silicon BJT at similar cost （对比 ADL5611ARKZ-R7)
- Drop-in SOT-89 footprint with full 40 to 3600 MHz coverage （对比 TQP3M9008)
设计说明
At 5.2 V and 110 mA quiescent current, the MMG3002NT1 dissipates roughly 570 mW DC; at full 21 dBm P1dB Class A output the part dissipates approximately 400 mW into the package. Solder the exposed collector tab to a continuous ground-pour copper area of at least 1 square inch to keep the junction temperature within the 150 C absolute maximum. Estimated: input values used were VCC = 5.2 V, Icc = 110 mA, P1dB = 21 dBm, package theta_JA from SOT-89 datasheet family (~50 C/W on a 1 sq inch 1 oz copper pour).
Keep RF input and output traces as 50 ohm microstrip or coplanar waveguide and minimise trace length to the IC pins. Place a 1 nF to 100 nF decoupling capacitor as close as possible to the VCC tab and consider a small ferrite bead in series with the supply to isolate the GPA from upstream switching noise. Use a continuous ground pour on the top layer stitched with vias around the SOT-89 tab to provide a low-impedance RF return path.
Do not assume the MMG3002NT1 is unconditionally stable with all source/load impedances outside the matched 50 ohm condition; if a reactive matching network is added, verify small-signal stability by checking the K-factor over the band. Add an external DC blocking capacitor at the RF input and output if the downstream stage presents a DC path to ground, and avoid running the part below 40 MHz where the matching network is no longer specified.
合规信息
RoHS and lead-free confirmed by NXP product page; REACH compliance not explicitly listed; halogen-free and conflict-minerals status unknown.
