TH7120 Ver la hoja de datos (PDF) - Unspecified

Número de pieza

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TH7120

300 to 930MHz FSK/FM/ASK Transceiver

Unspecified 

TH7120

300 to 930MHz

FSK/FM/ASK Transceiver

C-word

Symbol

Bits No.

Description

Software button

NR16:NR0

NR16:NR0

[16:0] 17

Feedback divider ratio in RX mode

UP

[17]

1

Select frequency band:

BAND

‘1’

up to 500 MHz

‘0’

500 to 1000MHz

High2:High1 [19:18] 2

Select VCO active current:

PRELIMINARY VCOCUR

POLAR

[20]

1

PFDPOL

LNAGI_E

LNACTRL

[21]

1

‘00’

low current (250 µA)

‘01’

standard current (350 µA)

‘10’

high1 current (450 µA)

‘11’

high2 current (550 µA)

Select Phase Detector polarity:

‘1’

positive (1)

VCO

(1)

OUTPUT

FREQUENCY

(2)

‘0’

negative (2)

VCO INPUT VOLTAGE

Select LNA gain control mode:

‘0’

external LNA gain control

‘1’

internal LNA gain control

3901007120

Rev. 005

Page 14 of 28

Data Sheet

Jan. 2002

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