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Analog Devices Inc. HMC218BMS8GE
- Part No.:
- HMC218BMS8GE
- Manufacturer:
- Analog Devices Inc.
- Category:
- RF Mixers
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
- Datasheet:
-
HMC218BMS8GE.pdf
- Description:
- IC MMIC MIXER DBL-BAL 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:234
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Product details
Overview
HMC218BMS8GE from Analog Devices is a GaAs MMIC double-balanced passive mixer in an 8-lead MSOP package, operating from 3.5 to 8 GHz RF/LO and DC–1.6 GHz IF. It delivers 7 dB typical conversion loss, +17 dBm input IP3, 38 dB LO-to-RF isolation, and supports high-side LO down-conversion and low-side LO up-conversion in wireless infrastructure transceivers.
For engineers reviewing the HMC218BMS8GE datasheet, HMC218BMS8GE pinout, HMC218BMS8GE application, or HMC218BMS8GE equivalent, key selection criteria include its ultra-miniature MSOP footprint, wide IF bandwidth enabling DC-coupled baseband interfaces, and verified performance across temperature (−40°C to +85°C) and LO drive (+9 to +15 dBm).
Technical Context
This passive double-balanced mixer uses GaAs Schottky diodes and monolithic planar transformer baluns to achieve broadband RF/LO operation without bias circuitry. Its topology inherently suppresses even-order harmonics and LO leakage, enabling clean IF output in both up- and down-conversion modes.
Performance is specified at +13 dBm LO drive with 100 MHz IF; conversion loss remains ≤8.5 dB and input IP3 ≥12.5 dBm across the full 3.5–8 GHz band under these conditions, supporting robust signal integrity in WiMAX, fixed wireless, and public safety radio systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF/LO Frequency Range | 3.5–8 GHz - Enables coverage of WiMAX (3.5 GHz), LTE Band 42/43 (3.4–3.8 GHz), and 5G n77/n78 (3.3–3.8 GHz & 4.4–5.0 GHz) bands |
| IF Bandwidth | DC–1.6 GHz - Supports direct baseband coupling and wideband IF sampling without external AC coupling |
| Conversion Loss | 7 dB typ. - Low signal attenuation preserves receiver sensitivity and reduces post-mixer gain requirements |
| Input IP3 | +17 dBm typ. - High linearity minimizes intermodulation distortion in dense multi-carrier environments |
| LO–RF Isolation | 38 dB typ. - Reduces LO radiation into antenna paths, easing front-end filtering requirements |
| Operating Temp | −40°C to +85°C - Qualified for outdoor base station and industrial wireless equipment deployment |
Pinout & Package
Package: 8-lead MSOP (Mini Small Outline Package), RoHS-compliant low-stress plastic body, matte Sn lead finish, MSL1 rating, exposed ground paddle for thermal and RF grounding.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | LO | DC-coupled 50 Ω matched input; requires +9 to +15 dBm LO drive for optimal linearity and conversion loss |
| 2, 3, 6, 7 | GND | RF/DC ground terminals; must be soldered to PCB ground plane with multiple vias for low-inductance return path |
| 4 | N/C | No internal connection; recommended to tie to ground externally for mechanical stability and EMI control |
| 5 | IF | DC-coupled output; supports DC–1.6 GHz IF; limited to ±2 mA DC current to prevent damage |
| 8 | RF | DC-coupled 50 Ω matched RF port; accepts −10 dBm typical input for characterization |
Key Features
| Feature | Design Value |
|---|---|
| Passive Double-Balanced Topology | Eliminates need for DC bias, enables true differential operation, and provides inherent suppression of LO×2 and RF×2 spurs |
| GaAs MMIC Construction | Monolithic integration of Schottky diodes and planar baluns ensures consistent performance and eliminates wirebond variability |
| Ultra-Miniature MSOP Package | 2.0 × 3.0 mm footprint with exposed paddle reduces board area by >50% vs. traditional SOIC mixers |
| Wide IF Bandwidth (DC–1.6 GHz) | Enables zero-IF and low-IF architectures without external DC blocking capacitors on IF path |
| High LO Power Tolerance | Rated for +27 dBm max LO input - accommodates high-power synthesizer outputs without external attenuation |
Applications
| WiMAX Base Stations | Public Safety Repeaters |
|---|---|
Use Scenario: Down-converting 3.5 GHz WiMAX signals to 100 MHz IF in outdoor macrocell base stations with high adjacent-channel interference. IC Role / Device Role / Timing Role: Passive double-balanced mixer performing high-side LO down-conversion with minimal added noise and distortion. Use Value: 7 dB conversion loss and +17 dBm IP3 maintain receiver dynamic range in multi-user OFDMA environments. | Use Scenario: Re-transmitting 4.9 GHz public safety band signals in mobile repeater units deployed in emergency response vehicles. IC Role / Device Role / Timing Role: Up-converter translating baseband IF to 4.9 GHz transmit band using low-side LO injection. Use Value: 38 dB LO–RF isolation prevents LO leakage from saturating sensitive receive chains during simultaneous Tx/Rx operation. |
| Fixed Wireless Access (FWA) | Telematics Gateways |
Use Scenario: Bidirectional signal translation in 5.8 GHz unlicensed FWA customer premises equipment (CPE) operating in harsh ambient temperatures. IC Role / Device Role / Timing Role: Dual-mode mixer supporting both up- and down-conversion in compact, thermally constrained enclosures. Use Value: −40°C to +85°C operating range and stable conversion loss over temperature ensure reliable link budget across seasonal extremes. | Use Scenario: IF processing in vehicular telematics gateways requiring compact RF front-ends for dual-band (3.5 GHz + 5.8 GHz) cellular/Wi-Fi aggregation. IC Role / Device Role / Timing Role: Wideband IF port (DC–1.6 GHz) interfaces directly to high-speed ADCs/DACs without AC coupling components. Use Value: DC-coupled IF simplifies PCB layout, reduces BOM count, and avoids capacitor-induced phase errors in time-sensitive modulation schemes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar passive double-balanced mixer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| HMC1048LP3E | Wider RF/LO range (2–12 GHz), higher conversion loss (8.5 dB typ.), larger 3×3 mm LCC package | Better suited for Ka-band test equipment; less optimal for space-constrained 3.5–8 GHz infrastructure due to size and loss | Select HMC1048LP3E only when extending beyond 8 GHz or requiring higher LO power handling (+28 dBm) |
| QPC1006 | Same 3.5–8 GHz range but GaN-based; higher P1dB (+11 dBm), higher conversion loss (9 dB typ.), 4×4 mm QFN package | Targeted at high-power transmit modules; not optimized for low-noise receive paths where HMC218BMS8GE's 7 dB loss is critical | Choose QPC1006 for high-output up-conversion stages; retain HMC218BMS8GE for receiver front-ends demanding lowest loss |
Compared with HMC1048LP3E and QPC1006, the HMC218BMS8GE offers the best balance of low conversion loss, miniature MSOP footprint, and proven reliability in commercial wireless infrastructure-making it preferred for cost- and size-sensitive receive-path designs.
Availability
HMC218BMS8GE is available at Aetrix Electronics and suitable for WiMAX base stations, public safety repeaters, and fixed wireless access equipment requiring stable component supply across extended temperature ranges and multi-year production cycles.
Supply support for HMC218BMS8GE 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, Inc. is a global leader in high-performance analog, mixed-signal, and RF ICs, serving communications, industrial, automotive, and aerospace markets with precision signal processing solutions.
The HMC218BMS8GE belongs to Analog Devices' Hittite Microwave mixer product line, designed specifically for miniaturized, high-linearity RF front-ends in wireless infrastructure and defense communications systems.
FAQ
What is the recommended LO drive level for optimal performance of the HMC218BMS8GE?
The HMC218BMS8GE achieves minimum conversion loss and maximum IP3 at +13 dBm LO drive. Performance remains stable from +9 to +15 dBm; below +9 dBm, conversion loss increases significantly, and above +15 dBm, risk of compression rises. The device is rated for up to +27 dBm LO input, but +13 dBm is the design optimum for HMC218BMS8GE in most wireless infrastructure applications.
Can the HMC218BMS8GE be used for zero-IF (direct-conversion) receiver architectures?
Yes, the HMC218BMS8GE supports zero-IF operation because its IF port is DC-coupled and specified from DC to 1.6 GHz. However, the IF output must not source or sink more than ±2 mA DC current to avoid damage. For true DC-coupled baseband interfaces, external current-limiting or AC coupling may be required depending on downstream circuitry. This capability is explicitly validated for HMC218BMS8GE in the datasheet.
Is the HMC218BMS8GE pin-compatible with other Hittite mixer variants like HMC218AMS8GE?
No, the HMC218BMS8GE is not pin-compatible with HMC218AMS8GE. While both use the same 8-lead MSOP package, the HMC218AMS8GE has different internal topology and pin functions - notably, its Pin 4 is functional (RF balun tap), whereas Pin 4 on HMC218BMS8GE is N/C. Substituting them without board revision will result in non-functional operation. Always verify pin mapping per datasheet before replacement.
What thermal management is required for continuous operation of the HMC218BMS8GE?
The HMC218BMS8GE has a junction-to-ground-paddle thermal resistance of 120 °C/W. To maintain channel temperature ≤150 °C at maximum ambient (+85 °C), the exposed paddle must be soldered to a solid copper ground plane with ≥6 thermal vias (0.3 mm diameter) connecting to inner/secondary ground layers. Without this, thermal derating is required - e.g., at 100 mW dissipation, board-level thermal resistance must be ≤65 °C/W. This requirement is specified for HMC218BMS8GE in its absolute maximum ratings table.
Does the HMC218BMS8GE require external baluns or matching networks?
No, the HMC218BMS8GE integrates monolithic planar transformer baluns for all ports (RF, LO, IF), enabling direct 50 Ω single-ended interfacing without external baluns. All ports are DC-coupled and impedance-matched to 50 Ω; only standard RF layout practices (controlled-impedance traces, solid ground plane, grounding vias) are needed. This integration is a core feature of the HMC218BMS8GE's GaAs MMIC architecture.
HMC218BMS8GE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
- Packaging:
- Bulk
- Product Status:
- Active
- RF Type:
- WiMax
- Frequency:
- 3.5GHz ~ 8GHz
- Number of Mixers:
- 1
- Gain:
- -
- Noise Figure:
- -
- Secondary Attributes:
- Down Converter
- Current - Supply:
- -
- Voltage - Supply:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP-EP
HMC218BMS8GE FAQ
1.How can I place an order for HMC218BMS8GE through Aetrix?
Please submit a Request for Quotation (RFQ) for HMC218BMS8GE 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 HMC218BMS8GE reliable?
The price and inventory of HMC218BMS8GE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HMC218BMS8GE is usually 5 days.
3.What payment methods are accepted for HMC218BMS8GE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HMC218BMS8GE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HMC218BMS8GE?
HMC218BMS8GE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HMC218BMS8GE 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 HMC218BMS8GE?
For technical support, including HMC218BMS8GE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HMC218BMS8GE requirements.
6.How does Aetrix verify that HMC218BMS8GE is sourced from the original manufacturer or authorized distributors?
All HMC218BMS8GE 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 HMC218BMS8GE meets industry standards.
7.What is the process for return or replacement of HMC218BMS8GE?
All HMC218BMS8GE units undergo pre-shipment inspection (PSI). If there is an issue with HMC218BMS8GE, 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 HMC218BMS8GE part is unused and in its original packaging.
Return procedure for HMC218BMS8GE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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