LT5512 - 1kHz-3GHz High Signal Level Active Mixer
- Broadband RF, LO and IF Operation
- High Input IP3: >20dBm from 30MHz to 900MHz
+17dBm at 1900MHz
- Typical Conversion Gain: 1dB
- SSB Noise Figure: 11dB at 900MHz
14dB at 1900MHz
- Integrated LO Buffer: Insensitive to LO Drive Level
- Single-Ended or Differential LO Drive
- High LO-RF Isolation
- Enable Function
- 4.5V to 5.25V Supply Voltage Range
- 4mm x 4mm QFN Package
The LT5512 is an active double-balanced mixer IC, optimized for high linearity HF, VHF and UHF applications. The IC includes an integrated LO buffer amplifi er to drive the mixer and an RF buffer amplifi er for improved LO-RF isolation. Internal bias circuits eliminate the need for precision external resistors and allow the device to be powered-down using the enable control (EN) pin.
The externally matched RF and IF ports allow the mixer to be used at very low frequencies, below 1MHz or up to 3GHz. The differential LO input is designed for single-ended or a differential input drive.
The LT5512 is a high-linearity alternative to passive diode mixers. Unlike passive mixers, which have conversion loss and require high LO drive levels, the LT5512 delivers conversion gain and requires signifi cantly lower LO drive levels.
CAD Symbols and Footprints: The downloadable Zip file below contains the schematic symbol and PCB footprints.
For complete and up to date package information and drawings, please refer to our packaging page
- Part numbers ending in PBF are lead free. Solder plated terminal finish (SnPb) versions are non-standard and special terms and conditions and pricing applies if available. Please contact LTC marketing for information.
- Part numbers containing TR or TRM are shipped in tape and reel or 500 unit mini tape and reel, respectively
- Please refer to our general ordering information or the product datasheet for more details
Package Variations and Pricing
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Demo BoardsLinear Technology offers many demo boards free of charge to qualified customers. Contact your local sales office or distributor to inquire about a demo board. Certain demo boards are also available for sale via credit card on this website. Demo boards are for evaluation purposes only. It remains the customer’s responsibility to verify proper and reliable operation in the actual end application.
|DC478B||LT5512EUF | High Signal Level, Down-Converting Mixer, (1.9GHz PCS Band)||$125.00|
|DC503A||LT5512EUF | High Signal Level, Down-Converting Mixer, (Wide IF Output, CATV Applications)||$125.00|
|DC933A||LT5512EUF | Low Frequency (<450MHz) Demo Board||$125.00|
- HF/VHF/UHF Mixer
- Cellular/PCS/UMTS Infrastructure
- High Linearity Mixer Applications
- ISM Band Receivers
- Wireless Medical Telemetry System (WMTS)
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