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RF2051

DS140110

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

The mixer layout and pin placement has been optimized for high mixer-to-mixer isolation of typically 60dB. The mixers can be

set up to operate in half-duplex mode (1 mixer active) or full duplex mode (both mixers active). The mode selection is done via

hardware control of the MODE pin and by setting the FULLD bit in the CFG1 register as shown in the table below. When in full-

duplex mode, one can either use PLL register bank 1 or 2, the LO signal is routed to both mixers.

Mode Pin

FULLD Bit

Active PLL Register Bank

Active Mixer

Low

0

1

1

High

0

2

2

Low

1

1

Both

High

1

2

Both