ADF7021 datasheet(41/44 Pages) AD

Part #	ADF7021

Description	High Performance Narrowband ISM Transceiver IC

PDF	44 Pages

Scroll/Zoom	100%

Manufacturer	AD [Analog Devices]

Direct Link	http://www.analog.com

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41 / 44 page

Preliminary Technical Data

ADF7021

Rev. PrI | Page 41 of 44

3FSK CDR THRESHOLD

3FSK/4FSK

SLICER THRESHOLD

CONTROL

BITS

3FSK PREAMBLE

TIME VALIDATE

Figure 45.

TEST DAC GAIN

TEST DAC OFFSET

ADDRESS

BITS

PULSE EXTENSION

NO PULSE EXTENSION

EXTENDED BY 1

EXTENDED BY 2

EXTENDED BY 3

ED PEAK RESPONSE

FULL RESPONSE TO PEAK

0.5 RESPONSE TO PEAK

0.25 RESPONSE TO PEAK

0.125 RESPONSE TO PEAK

TEST DAC GAIN

...

NO GAIN

× 2^1

...

× 2^15

ED LEAK FACTOR

LEAKAGE =

2^–8

2^–9

2^–10

2^–11

2^–12

2^–13

2^–14

2^–15

Figure 46.

•

The demod tuning parameters PULSE_EXTENSION, ED_LEAK_FACTOR, and ED_PEAK_RESPONSE can only be enabled by

setting Bits R15_DB[4:7] to 0x9.

ADF7021 Datasheet(PDF) 41 Page - Analog Devices

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