MAX9986
SiGe High-Linearity, 815MHz to 995MHz Downconversion Mixer with LO Buffer/Switch
Lowest Noise, Highest Linearity 1GHz SiGe Mixer for 2.5G and 3G Base Stations
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Key Features
Applications/Uses
| # Channels | 1 |
| RF Freq. (MHz) (min) | 815 |
| RF Freq. (MHz) (max) | 995 |
| LO Frequency (MHz) (min) | 960 |
| LO Frequency (MHz) (max) | 1180 |
| IF Frequency (MHz) (min) | 50 |
| IF Frequency (MHz) (max) | 250 |
| Gain (dB) | 10 |
| Input IP3 (dBm) | 23.6 |
| Noise Figure (dB) | 9.3 |
| 2RF-2LO/ 2LO-2RF (dBc) | 67 |
| VCC (V) | 4.75 to 5.25 |
| 5V Supply Current (mA) | 222 |
| Footprint (mm x mm) | 5.0 x 5.0 |
| Package/Pins | TQFN/20 |
| Budgetary Price (See Notes) | 9.6 |
Simplified Block Diagram
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Parameters
| # Channels | 1 |
| RF Freq. (MHz) (min) | 815 |
| RF Freq. (MHz) (max) | 995 |
| LO Frequency (MHz) (min) | 960 |
| LO Frequency (MHz) (max) | 1180 |
| IF Frequency (MHz) (min) | 50 |
| IF Frequency (MHz) (max) | 250 |
| Gain (dB) | 10 |
| Input IP3 (dBm) | 23.6 |
| Noise Figure (dB) | 9.3 |
| 2RF-2LO/ 2LO-2RF (dBc) | 67 |
| VCC (V) | 4.75 to 5.25 |
| 5V Supply Current (mA) | 222 |
| Footprint (mm x mm) | 5.0 x 5.0 |
| Package/Pins | TQFN/20 |
| Budgetary Price (See Notes) | 9.6 |
Key Features
- 815MHz to 995MHz RF Frequency Range
- 960MHz to 1180MHz LO Frequency Range (MAX9986)
- 570MHz to 850MHz LO Frequency Range (MAX9984)
- 50MHz to 250MHz IF Frequency Range
- 10dB Conversion Gain
- +23.6dBm Input IP3
- +12dBm Input 1dB Compression Point
- 9.3dB Noise Figure
- 67dBc 2LO-2RF Spurious Rejection at PRF = -10dBm
- Integrated LO Buffer
- Integrated RF and LO Baluns for Single-Ended Inputs
- Low -3dBm to +3dBm LO Drive
- Built-In SPDT LO Switch with 49dB LO1 to LO2 Isolation and 50ns Switching Time
- Pin Compatible with MAX9994/MAX9996 1700MHz to 2200MHz Mixers
- Functionally Compatible with MAX9993
- External Current-Setting Resistors Provide Option for Operating Mixer in Reduced Power/Reduced Performance Mode
- Lead-Free Package Available
Applications/Uses
- 850MHz WCDMA Base Stations
- cdmaOne™ and cdma2000® Base Stations
- Digital and Spread-Spectrum Communication Systems
- Fixed Broadband Wireless Access
- GSM 850/GSM 900 2G and 2.5G EDGE Base Stations
- iDEN® Base Stations
- Microwave Links
- Military Systems
- Predistortion Receivers
- Private Mobile Radios (PMRs)
- Wireless Local Loop (WLL)
Description
In addition to offering excellent linearity and noise performance, the MAX9986 also yields a high level of component integration. This device includes a double-balanced passive mixer core, an IF amplifier, a dual-input LO selectable switch, and an LO buffer. On-chip baluns are also integrated to allow for single-ended RF and LO inputs. The MAX9986 requires a nominal LO drive of 0dBm, and supply current is guaranteed to be below 265mA.
The MAX9984/MAX9986 are pin compatible with the MAX9994/MAX9996 1700MHz to 2200MHz mixers, making this entire family of downconverters ideal for applications where a common PC board layout is used for both frequency bands. The MAX9986 is also functionally compatible with the MAX9993.
The MAX9986 is available in a compact, 20-pin, thin QFN package (5mm x 5mm) with an exposed paddle. Electrical performance is guaranteed over the extended -40°C to +85°C temperature range.
Technical Docs
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .
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