500 MHz to 1700 MHz, Dual-Balanced Mixer, LO Buffer, IF Amplifier, and RF Balun
The ADL5358 uses a highly linear, doubly balanced, passive mixer core along with integrated RF and local oscillator (LO) balancing circuitry to allow single-ended operation. The ADL5358 incorporates the RF baluns, allowing for optimal performance over a 500 MHz to 1700 MHz RF input frequency range. Performance is optimized for RF frequencies from 500 MHz to 1200 MHz using a high-side LO and RF frequencies from 1200 MHz to 1700 MHz using a low-side LO. The balanced passive mixer arrangement provides good LO-to-RF leakage, typically better than −20 dBm, and excellent intermodulation performance. The balanced mixer core also provides extremely high input linearity, allowing the device to be used in demanding cellular applications where in-band blocking signals may otherwise result in the degradation of dynamic performance. A high linearity IF buffer amplifier follows the passive mixer core to yield a typical power conversion gain of 8.3 dB and can be used with a wide range of output impedances.
The ADL5358 provides two switched LO paths that can be used in TDD applications where it is desirable to ping-pong between two local oscillators. LO current can be externally set using a resistor to minimize dc current commensurate with the desired level of performance. For low voltage applications, the ADL5358 is capable of operation at voltages down to 3.3 V with substantially reduced current. Under low voltage operation, an additional logic pin is provided to power down (<300 µA) the circuit when desired. The ADL5358 is fabricated using a BiCMOS high performance IC process. The device is available in a 6 mm × 6 mm, 36-lead LFCSP and operates over a −40°C to +85°C temperature range. An evaluation board is also available.
- Cellular base station receivers
- Transmit observation receivers
- Radio link downconverters
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
ADL5358-EVALZ is a fully populated, 4-layer, Rogers 3003-based evaluation board. It requires a 5 V/350 mA or 3.3 V/200 mA power supply for normal operation. The power supply should be connected to the clip leads labeled VCC and GND. All signal ports are populated with edge-mounted SMA connectors. MAIN_IN and DIV_IN are the RF input ports of main and diversity channels. LO1_IN and LO2_IN are input ports for common local oscillators. LO2_IN is enabled when the LOSEL clip lead is logic low. LO1_IN is enabled when LOSEL is pulled to logic high. MAIN_OUTP and DIV_OUTN are the output ports configured for single-ended evaluation on each channel via a transformer. MAIN_OUTN and DIV_OUTP are provided for differiential interface evaluation. Power down feature is available for power supply at or under 3.6 V.
Product Selection Guide
RF, Microwave, and Millimeter Wave IC Selection Guide 2017
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