Datasheet for LT5518:
- Manufacturer Part Number : LT5518
- Manufacturer : AD
- Description : 1.5GHz - 2.4GHz High Linearity Direct Quadrature Modulator
- Series : LT5518
- Reference Price : USD 3.96
- Our Price : We have a better price, contact us by email
- Product Type : I/Q Modulators & Demodulators
- Function : I/Q Modulators
- Current Suggest : Production
- Status : Production
- RoHS Status: -
- Voltage: -
- Feature: -
- Package Case: -
- Temperature Range: -
- Packing: Reel/Tray/Tube
- Standard Packing Quantity: -
- Country of Origin: -
- Other Part Number : LT5518
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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The LT5518 is a direct I/Q modulator designed for high performance wireless applications, including wireless infrastructure. It allows direct modulation of an RF signal using differential baseband I and Q signals. It supports PHS, GSM, EDGE, TD-SCDMA, CDMA, CDMA2000, W-CDMA and other systems. It may also be configured as an image reject up-converting mixer, by applying 90° phase-shifted signals to the I and Q inputs. The high impedance I/Q baseband inputs consist of voltage-to-current converters that in turn drive double-balanced mixers. The outputs of these mixers are summed and applied to an on-chip RF transformer, which converts the differential mixer signals to a 50Ω single-ended output. The balanced I and Q baseband input ports are intended for DC coupling from a source with a common mode voltage level of about 2.1V. The LO path consists of an LO buffer with single-ended input, and precision quadrature generators that produce the LO drive for the mixers. The supply voltage range is 4.5V to 5.25V.
Applications
- Infrastructure Tx for DCS, PCS and UMTS Bands
- Image Reject Up-Converters for DCS, PCS and UMTS Bands
- Low Noise Variable Phase-Shifter for 1.5GHz to 2.4GHz Local Oscillator Signals
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
