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RF2722
Proposed
Rev A4 DS050919
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
Pin
Function
Description
Interface Schematic
13
TXB OUT HB High band TX buffer output.
14
VT
Tuning control line for the VCO. Analog input.
15
VTC
Coarse VCO tuning control driven by RF6001. Digital input.
16
VCO VCC
Supply for the RF VCO.
17
TXB IN LB
TX buffer low band input. This is a high impedance voltage-driven input
designed to be driven by the RF6001/3 TXVCO output.
18
TXB IN HB
TX buffer high band input. This is a high impedance voltage-driven input
designed to be driven by the RF6001/3 TXVCO output.
19
TX EN
TX buffer enable. If the TX SEL (CRX1[2]) bit is set high, the TX buffers are
enabled by this pin. If the TX SEL bit is set low, this pin has no effect on the
activation of the TX buffers. (See register map for more information.) The
TX buffers are enabled by setting this pin high. The TX buffers are disabled
by setting this pin low.
20
Q OUT
Q-channel differential IF output.
21
QB OUT
Complementary output to Q OUT.
22
IB OUT
Complementary output to I OUT.
23
I OUT
I-channel differential IF output.
24
DIG/FLT VCC Supply for all digital circuitry.
Supply for the filter.
TXB OUT HB
VT
VCO VCC
VCO VCC
VTC
LOAD
VCO VCC
Q OUT
QB OUT
IB OUT
I OUT
LOAD
DIG/FLT VCC
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