RF transceiver reference design tuned to 915 MHz using wireless MCU AXM0F243

RF transceiver reference design tuned to 868 MHz using wireless MCU AXM0F243

FL7740 and FL7760 with Bluetooth wireless dimming control (25 W)

Direct AC LED driver with Bluetooth wireless dimming control

AT86RF231 PCB Antenna Diversity Reference Design

This reference design demonstrates a full-function network node with the AT86RF231 radio transceiver, which is capable of hosting a MAC layer implementation. Two ceramic chip antennas increase the link budget in a typical indoor scenario with multi-path fading effects.

Schematic PCB

REP017: Dual-band three-mode IC suitable for both CDMA and AMPS with an intermediate frequency of 183MHz

Reference design (RD) is a dual-band, triple-mode CDMA front-end to a receiver whose frequency plan requires digital and AMPS analog IFs to be at 183.6MHz. RD uses the MAX2338, a low-noise amplifier (LNA) with mixer, that is useful for TDMA, GSM, EDGE, and WCDMA applications.

Schematic PCB

REP003: Cellular Front-End ICs in Automotive Applications

This reference design (RD) is for a dual-band CDMA front-end IC for use in automotive applications. The application circuit uses the MAX2323 low-noise amplifier (LNA) with mixer at temperatures up to 110°C. The device is also useful for TDMA, GSM, EDGE, and WCDMA applications. Schematics, bill of materials (BOM), and performance measurements are shown.

Schematic PCB

REP005: Dual-band CDMA tuning front-end using inexpensive 85MHz IF SAW devices

This reference design (RD) is for a dual-band, triple-mode CDMA front-end IC tuned for use with IF SAW filters. The RD modifies the FM/cellular/PCS mixers to a common 85MHz IF. The design uses a low -noise amplifier (LNA) with mixer, the MAX2320, that is also useful for TDMA, GSM, and EDGE applications. Schematics and bill of materials are shown.

Schematic PCB

REP008: Dual-band front-end IC operating at universal 85MHz low IF for CDMA, PCS and AMPS

This reference design (RD) is for a dual-band, triple-mode front-end IC using only 85MHz IF centers for processing PCS, cellular CDMA, and cellular AMPS. The RD uses the MAX2323, a low-noise amplifier (LNA) with mixer, that is useful for TDMA, GSM, EDGE, and WCDMA applications.

Schematic PCB

REP002: Dual-band IS-136 TDMA RF front-end application circuit

Reference design (RD) is for a dual-band IS-136 TDMA RF front-end. Data show that the MAX2321 dual-band low-noise amplifier (LNA) and mixer IC exceeds IS-136 specifications and needs no additional or special components as a front-end for a TDMA application.

Schematic PCB

REP021: Front-end devices for 2.5GHz Globalstar and IS-95

This reference design (RD) is for a dual-band CDMA front-end IC that uses a PCS-band signal path for 2.5GHz LEO satellite channel and a cellular-band signal path for GlobalStar IS-95 CDMA applications. The MAX2323 LNA plus mixer for dual-band CDMA handsets is featured.

Schematic PCB

REP007: Driving the IFR3100 IF Demodulator with a Cellular Front-End IC

This reference design (RD) shows how a dual-band, dual-mode CDMA front-end IC can drive an IRF3100 IF demodulator. The RD features the MAX2323 CDMA low-noise amplifier which is also useful for TDMA, GSM, EDGE, and WCDMA applications. Schematics, the bill of materials (BOM), and performance results are shown.

Schematic PCB

REP018: Dual-band dual-mode FE IC operating at universal 183.6MHz IF

Reference design (RD) is a dual-band, triple-mode CDMA front-end IC in a receiver with all 183MHz IFs for processing cellular CDMA. The RD uses the MAX2323, a low-noise amplifier (LNA) with mixer, that is useful for TDMA, GSM, EDGE, and WCDMA applications.

Schematic PCB

REP016: Japanese 110MHz IF dual-band cellular CDMA RF front-end

This reference design (RD) is for a dual-band, dual-mode CDMA front-end for Japanese cellular CDMA at 110MHz IF. The RD uses a low-noise amplifier (LNA) with mixer, the MAX2325, that is also useful for TDMA, GSM, and EDGE applications. Schematics and bill of materials are shown.

Schematic PCB

REP020: Dual-band dual-mode FE IC operating at universal 210MHz IF

This reference design (RD) is for a dual-band, dual-mode CDMA front-end that uses a CDMA LNA/mixer, the MAX2323. The RD retunes the FM analog and the cellular/PCS digital mixers to 210MHz IF. This CDMA low-noise amplifier is also useful for TDMA, GSM, EDGE, and WCDMA applications. Schematics and bill of materials are shown.

Schematic PCB

REP023: Upconverter from 350MHz to 3.5GHz with 9dB gain and 1.3dBm IIP3

This reference design (RD) shows how a downconverter with selectable LO doubler can be used as an upconverter. The RD achieves 9dB gain and 1.3dBm IIP3. The MAX2683 low-power downconverter designed to operate in the receive path of 3.5GHz wireless data transceivers is featured. Schematics, test setup, BOM, and performance results are shown.

Schematic PCB

REP001: Achieving the best balance of IIP3 and gain for AMPS FM mixers

This reference design (RD) for an RF mixer in the FM (AMPS) signal path custom tunes the output matching circuit to optimize the trade-off between IIP3 and the highest gain. The design features the MAX2324 low-noise amplifier (LNA) with RF mixer for cellular-band CDMA, TDMA, GMS, and EDGE applications.

Schematic PCB

REP012: Cellular LNA achieving +20dBm IIP3 in low-gain high-linearity mode

Reference design (RD) shows a dual-band, triple-mode CDMA front-end IC tuned to provide +20dBm in low-gain high-linearity mode. The RD features a CDMA low-noise amplifier (LNA) that is also useful for TDMA, GSM, EDGE, and WCDMA applications.The MAX2323 LNA/mixer is featured.

Schematic PCB

REP019: Dual-band front-end CDMA IC tuned to a single 110MHz IF

This application note assesses a tuned, dual-band, front-end CDMA IC with single 110MHZ IF. Focus is on the MAX2322, a low-noise amplifier (LNA) for dual-band CDMA cell-phone handsets. The MAX2323 can also be used in dual-band TDMA, GSM, EDGE, or WCDMA applications.

Schematic PCB

REP010: Dual-band IS-136 front-end IC operating at 183MHz IF

This reference design (RD) is for a dual-band CDMA front-end in an IS-136 TDMA receiver with all 183MHz IFs, The RD uses the MAX2338, a low-noise amplifier (LNA) with mixer that is useful for TDMA, GSM, EDGE, and WCDMA applications.

Schematic PCB