QPB9348

Dual Channel Switch LNA Module

Datasheet Rev. C, June 27, 2019 | Subject to change without notice

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Electrical Specifications (Continue)

Parameter

Conditions

Min

Typ

Max

Units

Switch Isolation

ANT to TX in RX mode

25

dB

ANT to RX in TX mode

60

dB

Channel Isolation

Rx mode

40

dB

Tx mode

40

dB

LNA Current

Rx mode, High gain state, per channel

100

mA

Rx mode, Low gain state, per channel

50

mA

Switch Current

Tx mode, RXENABLE_AB Low (LNA Off)

5

mA

Logic Control Current

0V or +1.8V, Source or sink

±150

μA

Switching Time

Switch between Rx mode and Tx mode, Ton/Toff

(50% ctrl to 1/99% RF)

500

nsec

Between high gain state and low gain state

150

nsec

Tx Mode, 15W RFIN applied to one channel

8.6

°C/W

Rx Mode

20.9

°C/W

Notes:

1.

Control Logic Truth Table

Bypass_A/B

RX Mode, LNA Normal (High Gain)

0

0

0

RX Mode, LNA Bypass (Low Gain)

0

0

1

TX Mode, LNA Disable

1

1

Don’t care

Note:

1. Synchronize SW12 and RXEnable-AB for better performance and smooth transitions