MAX19994A
Dual, SiGe, High-Linearity, 1200MHz to 2000MHz Downconversion Mixer with LO Buffer/Switch
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Lowest Noise, Highest Linearity, 1200MHz to 2000MHz Dual SiGe Mixer Features Superior IP3, NF, and 2LO - 2RF Performance
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Features
- 1200MHz to 2000MHz RF Frequency Range
- 1450MHz to 2050MHz LO Frequency Range
- 50MHz to 500MHz IF Frequency Range
- 8.4dB Typical Conversion Gain
- 9.8dB Typical Noise Figure
- +25dBm Typical Input IP3
- +14dBm Typical Input 1dB Compression Point
- 68dBc Typical 2LO - 2RF Spurious Rejection at PRF = -10dBm
- Dual Channels Ideal for Diversity Receiver Applications
- 47dB Typical Channel-to-Channel Isolation
- Low -6dBm to +3dBm LO Drive
- Integrated LO Buffer
- Internal RF and LO Baluns for Single-Ended Inputs
- Built-In SPDT LO Switch with 48dB LO-to-LO Isolation and 50ns Switching Time
- Pin Compatible with the MAX9985/MAX9995/MAX19985A/MAX19993/MAX19995/MAX19995A Series of 700MHz to 2200MHz Mixers
- Pin Similar to the MAX19997A/MAX19999 Series of 1850MHz to 4000MHz Mixers
- Single 5.0V or 3.3V Supply
- External Current-Setting Resistors Provide Option for Operating Device in Reduced-Power/Reduced-Performance Mode
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The MAX19994A dual-channel downconverter is designed to provide 8.4dB of conversion gain, +25dBm input IP3, +14dBm 1dB input compression point, and a noise figure of 9.8dB for 1200MHz to 2000MHz diversity receiver applications. With an optimized LO frequency range of 1450MHz to 2050MHz, this mixer supports both high- and low-side LO injection architectures for the 1200MHz to 1700MHz and 1700MHz to 2000MHz RF bands, respectively.
In addition to offering excellent linearity and noise performance, the device also yields a high level of component integration. This device includes two double-balanced passive mixer cores, two LO buffers, a dual-input LO selectable switch, and a pair of differential IF output amplifiers. Integrated on-chip baluns allow for single-ended RF and LO inputs. The MAX19994A requires a nominal LO drive of 0dBm and a typical supply current of 330mA at VCC = 5.0V, or 264mA at VCC = 3.3V.
The MAX19994A is pin compatible with the MAX9985/MAX9995/MAX19985A/MAX19993/MAX19995/MAX19995A series of 700MHz to 2500MHz mixers and pin similar with the MAX19997A/MAX19999 series of 1850MHz to 4000MHz mixers, making this entire family of downconverters ideal for applications where a common PCB layout is used across multiple frequency bands.
The device is available in a 6mm x 6mm, 36-pin thin QFN package with an exposed pad. Electrical performance is guaranteed over the extended temperature range, from TC = -40°C to +85°C.
Applications
- cdma2000® Base Stations
- Fixed Broadband Wireless Access
- GSM/EDGE Base Stations
- Military Systems
- Private Mobile Radios
- TD-SCDMA Base Stations
- WCDMA/LTE Base Stations
- Wireless Local Loop
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MAX19994A
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Data Sheet
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MAX19994A: Dual, SiGe, High-Linearity, 1200MHz to 2000MHz Downconversion Mixer with LO Buffer/Switch Data Sheet (Rev.0)
MAX19994A: 双通道、SiGe、高线性度、1200MHz至2000MHz下变频混频器，带有LO缓冲器/开关 Data Sheet (Rev.0)
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Software & Part Ecosystem
| Parts | Product Life Cycle | Description | ||
|---|---|---|---|---|
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I/Q Downconverters/Receivers18 |
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PRODUCTION |
High-Linearity, 1700MHz to 3000MHz Upconversion/Downconversion Mixer with LO Buffer/Switch |
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PRODUCTION |
High-Linearity, 650MHz to 1000MHz Upconversion/Downconversion Mixer with LO Buffer/Switch |
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PRODUCTION |
High-Linearity, 815MHz to 1000MHz Upconversion/Downconversion Mixer with LO Buffer/Switch |
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PRODUCTION |
SiGe, High-Linearity, High-Gain, 2000MHz to 3000MHz Downconversion Mixer with LO Buffer |
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PRODUCTION |
SiGe High-Linearity, 1700MHz to 2200MHz Downconversion Mixer with LO Buffer/Switch |
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PRODUCTION |
Dual, SiGe High-Linearity, High-Gain, 1800MHz to 2900MHz Downconversion Mixer with LO Buffer/Switch |
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PRODUCTION |
Dual, SiGe, High-Linearity, 1700MHz to 2200MHz Downconversion Mixer with LO Buffer/Switch |
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|
Obsolete |
Dual, SiGe, High-Linearity, 1700MHz to 2700MHz Downconversion Mixer with LO Buffer/Switch |
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PRODUCTION |
SiGe High-Linearity, 400MHz to 1000MHz Downconversion Mixer with LO Buffer/Switch |
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PRODUCTION |
Dual, SiGe, High-Linearity, 700MHz to 1000MHz Downconversion Mixer with LO Buffer/Switch |
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LAST TIME BUY |
Dual, SiGe, High-Linearity, High-Gain, 700MHz to 1000MHz Downconversion Mixer with LO Buffer/Switch |
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Obsolete |
SiGe High-Linearity, 815MHz to 995MHz Downconversion Mixer with LO Buffer/Switch |
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PRODUCTION |
SiGe High-Linearity, 815MHz to 1000MHz Downconversion Mixer with LO Buffer/Switch |
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PRODUCTION |
High-Linearity 1700MHz to 2200MHz Down-Conversion Mixer with LO Buffer/Switch |
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PRODUCTION |
SiGe High-Linearity, 1400MHz to 2200MHz Downconversion Mixer with LO Buffer/Switch |
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PRODUCTION |
SiGe, High-Linearity, 1600MHz to 3900MHz Upconversion/Downconversion Mixer with LO Buffer |
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LAST TIME BUY |
SiGe, High-Linearity, 2300MHz to 4000MHz Upconversion/Downconversion Mixer with LO Buffer |
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PRODUCTION |
Dual, SiGe, High-Linearity, 1700MHz to 2200MHz Downconversion Mixer with LO Buffer/Switch |
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Product10 |
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Obsolete |
High-Linearity, 1700MHz to 2200MHz Upconversion/Downconversion Mixer with LO Buffer/Switch |
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SiGe, High-Linearity, High-Gain, 3200MHz to 3900MHz Downconversion Mixer with LO Buffer/Switch |
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SiGe, High-Linearity, 2300MHz to 4000MHz Downconversion Mixer with LO Buffer |
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SiGe, High-Linearity, 2000MHz to 3900MHz Downconversion Mixer with LO Buffer |
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Dual, SiGe High-Linearity, 3000MHz to 4000MHz Downconversion Mixer with LO Buffer |
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825MHz to 915MHz, SiGe High-Linearity Active Mixer |
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825MHz to 915MHz, Dual SiGe High-Linearity Active Mixer |
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Obsolete |
Dual, SiGe, High-Linearity, High-Gain, 700MHz to 1000MHz Downconversion Mixer with LO Buffer/Switch |
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SiGe High-Linearity, 2000MHz to 3000MHz Upconversion/Downconversion Mixer with LO Buffer |
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1700MHz to 3000MHz High-Linearity, Low LO Leakage Base-Station Rx/Tx Mixer |
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