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Analog Devices Inc. HMC399MS8
- Part No.:
- HMC399MS8
- Manufacturer:
- Analog Devices Inc.
- Category:
- RF Mixers
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
HMC399MS8.pdf
- Description:
- IC MMIC MIXER HI IP3 8-MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,024
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Product details
Overview
HMC399MS8 from Analog Devices (formerly Hittite Microwave) is a high-dynamic-range passive GaAs MMIC mixer in an 8-lead MSOP package, operating RF from 700–1000 MHz, LO from 540–900 MHz, and IF from DC–250 MHz. It delivers +35 dBm input IP3 (downconversion), 8.5 dB typical conversion loss, and +23 dBm input P1dB, enabling robust signal handling in cellular infrastructure transceivers.
For engineers reviewing the HMC399MS8 datasheet, HMC399MS8 pinout, HMC399MS8 application, or HMC399MS8 equivalent, key selection criteria include its single-ended architecture, no-DC-bias operation, ultra-small 14.8 mm² footprint, and requirement of only one external LO-tuning inductor for optimal performance across GSM/CDMA/W-CDMA bands.
Technical Context
This monolithic passive mixer uses GaAs FET technology to achieve high linearity without DC bias, relying on LO-driven switching rather than active amplification. Its RF and LO ports are AC-coupled with internal 50 Ω matching over specified bands, while the IF port is DC-coupled with ±40 mA absolute max current rating.
The device operates as a fundamental-mode double-balanced mixer topology optimized for low-side LO injection in downconversion; upconversion performance is also characterized (+32 dBm IP3). LO drive sensitivity is narrowband-+16 to +18 dBm-and isolation (LO-to-RF: 23 dB typ, LO-to-IF: 27 dB typ) supports clean signal routing in dense RF front-ends.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF Frequency Range | 700–1000 MHz: Fully matched 50 Ω input enables direct integration into 700–1000 MHz cellular band filters and amplifiers. |
| Input IP3 (Downconv.) | +35 dBm: Enables reception of strong interferers without distortion in base station receivers handling multi-carrier GSM/EDGE signals. |
| Conversion Loss | 8.5 dB typical: Defines system noise figure penalty; requires low-noise IF amplification stage to maintain overall receiver sensitivity. |
| LO Drive Level | +16 to +18 dBm: Requires stable, low-phase-noise LO source at this power level-typically a buffered VCO or synthesizer output. |
| IF Bandwidth | DC–250 MHz: Supports both zero-IF and low-IF architectures, including DC-coupled I/Q demodulation for W-CDMA. |
| Package | MSOP-8 (14.8 mm²): Standard surface-mount footprint compatible with automated assembly; requires RF-aware PCB layout with ground via stitching. |
| Operating Temp. | −40°C to +85°C: Qualified for outdoor macrocell and remote radio head environments without derating. |
Pinout & Package
Package: 8-lead Mini Small Outline Package (MSOP), plastic body, Sn/Pb lead finish (HMC399MS8), MSL1 rated. Dimensions per JEDEC MO-187 variant, with exposed paddle thermally connected to PCB ground plane.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | LO | AC-coupled 50 Ω input; requires series inductor (e.g., 22–27 nH) for impedance tuning across LO band. |
| 2, 4 | N/C | No internal connection; must remain unconnected and unstubbed to avoid parasitic coupling. |
| 3, 6, 7 | GND | RF ground terminals; must be soldered directly to solid PCB ground plane with multiple thermal vias. |
| 5 | IF | DC-coupled output; supports baseband or low-IF; limited to ±40 mA DC current-capacitor blocking required if DC not needed. |
| 8 | RF | DC-coupled 50 Ω matched input; operates across full 700–1000 MHz band without external matching. |
Key Features
| Feature | Design Value |
|---|---|
| No DC bias required | Eliminates bias network complexity, leakage paths, and power supply dependencies-ideal for low-power or thermally constrained modules. |
| +35 dBm input IP3 | Outperforms many active mixers in linearity while avoiding associated noise and power trade-offs in cellular receive chains. |
| Single external LO inductor | Reduces BOM count and layout area versus traditional passive mixers requiring multiple matching components. |
| Ultra-small 14.8 mm² footprint | Enables high-density RF module designs such as small-cell radios and distributed antenna systems (DAS). |
| DC–250 MHz IF bandwidth | Supports flexible IF architecture choices including zero-IF I/Q demodulation for modern wideband standards like LTE and W-CDMA. |
Applications
| GSM/EDGE Base Station Receiver | W-CDMA Transmit Chain |
|---|---|
Use Scenario: Downconverting 900 MHz RF signals to 200 MHz IF in macrocell BTS receivers under co-channel interference. IC Role / Device Role / Timing Role: Passive double-balanced mixer providing RF-to-IF translation with minimal added noise and distortion. Use Value: +35 dBm IP3 ensures adjacent-channel interference rejection without desensitization, critical for multi-carrier EDGE deployments. | Use Scenario: Upconverting 200 MHz IF signals to 2.1 GHz UMTS band using external frequency multiplication. IC Role / Device Role / Timing Role: Fundamental-mode passive mixer used in transmit path with low-side LO injection. Use Value: +32 dBm upconversion IP3 maintains ACLR compliance under high-power PA drive conditions in W-CDMA femtocells. |
| Cable Modem Termination System (CMTS) | Multi-Standard Small Cell Radio |
Use Scenario: Simultaneous processing of DOCSIS upstream channels (5–42 MHz) and downstream (54–1002 MHz) in hybrid fiber-coax nodes. IC Role / Device Role / Timing Role: Dual-role mixer supporting both low-IF receive and direct-conversion transmit paths. Use Value: DC–250 MHz IF bandwidth accommodates wideband digital predistortion (DPD) feedback loops and spectrum monitoring functions. | Use Scenario: Compact 3G/4G/LTE radio module integrating dual-band RF front-end with shared LO distribution. IC Role / Device Role / Timing Role: High-linearity passive mixer enabling shared LO architecture across multiple bands without intermodulation crosstalk. Use Value: MSOP-8 package allows placement adjacent to quadrature modulators/demodulators, minimizing trace length and insertion loss. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar passive high-IP3 mixer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| HMC1040LP4E | Wider RF range (1.7–2.7 GHz), higher LO drive (+20 dBm), larger 4×4 mm QFN package. | Better suited for LTE/TDD-LTE bands; requires more board area and higher LO power. | Select when operating above 1 GHz or needing >+35 dBm IP3 at higher frequencies. |
| ADL5801ACPZ-R7 | Active mixer with 22 dB conversion gain, +27 dBm IP3, integrated LO buffer, 24-lead LFCSP. | Provides gain instead of loss; requires DC bias and consumes ~120 mW; better for low-SNR receive paths. | Select when system noise figure budget demands gain and power consumption is acceptable. |
Compared with HMC1040LP4E and ADL5801ACPZ-R7, the HMC399MS8 offers the smallest footprint and zero-bias operation ideal for cost- and space-constrained 700–1000 MHz infrastructure, trading off gain and wideband coverage for simplicity and linearity in its native band.
Availability
HMC399MS8 is available at Aetrix Electronics and suitable for GSM/EDGE base stations, W-CDMA small cells, and cable modem termination systems requiring stable component supply and long-term obsolescence management.
Supply support for HMC399MS8 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
Analog Devices is a global leader in high-performance analog, mixed-signal, and RF ICs, serving communications, industrial, and aerospace markets with precision signal processing solutions.
The HMC399MS8 belongs to Analog Devices' legacy Hittite Microwave high-IP3 GaAs MMIC mixer family, designed specifically for cellular infrastructure applications demanding exceptional linearity, compact size, and no-DC-bias operation in 700–1000 MHz bands.
FAQ
What is the recommended LO drive level for optimal performance of the HMC399MS8?
The HMC399MS8 achieves best linearity and conversion loss at an LO drive level of +16 to +18 dBm. Operating outside this range degrades IP3 and increases conversion loss. The HMC399MS8 datasheet specifies +17 dBm as the nominal test condition for all key specs including +35 dBm IP3 and 8.5 dB conversion loss.
Does the HMC399MS8 require DC biasing, and how is the IF port interfaced?
No, the HMC399MS8 is a passive mixer and requires no DC bias. The IF port (Pin 5) is DC-coupled and can pass signals from DC to 250 MHz, but must not sink or source more than ±40 mA. For AC-coupled applications, a series capacitor (e.g., 4 pF) is recommended-matching values are provided in the HMC399MS8 application circuit table.
What is the function of Pin 1 (LO) and why is an external inductor required?
Pin 1 is the LO input, AC-coupled and internally matched to 50 Ω. An external series inductor (e.g., 22–27 nH) is required to resonate with package capacitance and extend LO bandwidth across 540–900 MHz. Without it, LO power transfer and conversion efficiency drop significantly-this is explicitly required in the HMC399MS8 functional schematic and evaluation board design.
Can the HMC399MS8 be used for upconversion, and what is its upconversion IP3?
Yes, the HMC399MS8 supports upconversion with +32 dBm input IP3 at +17 dBm LO drive. This is documented in the HMC399MS8 datasheet's electrical specifications table and verified in upconverter conversion gain and IP3 vs. LO drive plots. Performance remains consistent across its RF band (700–1000 MHz) when used as an upconverter.
What are the grounding requirements for the HMC399MS8 to ensure RF performance?
The HMC399MS8 requires all GND pins (3, 6, 7) to be soldered directly to a low-inductance RF ground plane with multiple thermal vias. Per the HMC399MS8 package drawing and evaluation board notes, insufficient grounding causes degraded LO-to-RF isolation (<20 dB) and increased conversion loss. Ground plane continuity under the MSOP body is mandatory-not optional-for repeatable 23–35 dB isolation.
HMC399MS8 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Strip
- Product Status:
- Obsolete
- RF Type:
- CDMA, GSM
- Frequency:
- 700MHz ~ 1GHz
- Number of Mixers:
- 1
- Gain:
- -
- Noise Figure:
- 9dB
- Secondary Attributes:
- -
- Current - Supply:
- -
- Voltage - Supply:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP
HMC399MS8 FAQ
1.How can I place an order for HMC399MS8 through Aetrix?
Please submit a Request for Quotation (RFQ) for HMC399MS8 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for HMC399MS8 reliable?
The price and inventory of HMC399MS8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HMC399MS8 is usually 5 days.
3.What payment methods are accepted for HMC399MS8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HMC399MS8 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HMC399MS8?
HMC399MS8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HMC399MS8 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for HMC399MS8?
For technical support, including HMC399MS8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HMC399MS8 requirements.
6.How does Aetrix verify that HMC399MS8 is sourced from the original manufacturer or authorized distributors?
All HMC399MS8 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that HMC399MS8 meets industry standards.
7.What is the process for return or replacement of HMC399MS8?
All HMC399MS8 units undergo pre-shipment inspection (PSI). If there is an issue with HMC399MS8, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The HMC399MS8 part is unused and in its original packaging.
Return procedure for HMC399MS8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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