ADF7021-N
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
3FSK
Sensitivity at 9.6 kbps
−110
dBm
fDEV = 2.4 kHz, high sensitivity mode, IF_FILTER_BW =
18.5 kHz, Viterbi detection on
Raised Cosine 3FSK
Sensitivity at 9.6 kbps
−110
−112
−109
dBm
dBm
dBm
fDEV = 2.4 kHz, high sensitivity mode, IF_FILTER_BW =
13.5 kHz, alpha = 0.5, Viterbi detection on
4FSK
Sensitivity at 9.6 kbps
fDEV (inner) = 1.2 kHz, high sensitivity mode,
IF_FILTER_BW = 13.5 kHz
Raised Cosine 4FSK
Sensitivity at 9.6 kbps
fDEV (inner) = 1.2 kHz, high sensitivity mode,
IF_FILTER_BW = 13.5 kHz, alpha = 0.5
INPUT IP3
Two-tone test, fLO = 860 MHz, F1 = fLO + 100 kHz,
F2 = fLO − 800 kHz
Low Gain Enhanced Linearity
Mode
−3
dBm
LNA_GAIN = 3, MIXER_LINEARITY = 1
Medium Gain Mode
High Sensitivity Mode
ADJACENT CHANNEL REJECTION
868 MHz
−13.5
−24
dBm
dBm
LNA_GAIN = 10, MIXER_LINEARITY = 0
LNA_GAIN = 30, MIXER_LINEARITY = 0
Wanted signal is 3 dB above the sensitivity point
(BER = 10−3); unmodulated interferer is at the center
of the adjacent channel; rejection measured as the
difference between the interferer level and the
wanted signal level in dB
12.5 kHz Channel Spacing
25 kHz Channel Spacing
426 MHz
40
39
dB
dB
9 kHz IF_FILTER_BW
18.5 kHz IF_FILTER_BW
Wanted signal is 3 dB above the reference sensitivity
point (BER = 10−2); modulated interferer (same
modulation as wanted signal) at the center of the
adjacent channel; rejection measured as the
difference between the interferer level and reference
sensitivity level in dB
12.5 kHz Channel Spacing
25 kHz Channel Spacing
40
39
dB
dB
9 kHz IF_FILTER_BW, compliant with ARIB STD-T67
18.5 kHz IF_FILTER_BW, compliant with ARIB STD-T67
CO-CHANNEL REJECTION
Wanted signal (2FSK, 9.6 kbps, 4 kHz deviation) is
3 dB above the sensitivity point (BER = 10−3), modu-
lated interferer
868 MHz
−5
dB
IMAGE CHANNEL REJECTION
Wanted signal (2FSK, 9.6 kbps, 4 kHz deviation) is
10 dB above the sensitivity point (BER = 10−3); modu-
lated interferer (2FSK, 9.6 kbps, 4 kHz deviation) is
placed at the image frequency of fRF − 200 kHz; the
interferer level is increased until BER = 10−3
868 MHz
450 MHz, Internal Inductor
VCO
26/39
29/50
dB
dB
Uncalibrated/calibrated1, VDD = 3.0 V, TA = 25°C
Uncalibrated/calibrated1, VDD = 3.0 V, TA = 25°C
BLOCKING
Wanted signal is 10 dB above the input sensitivity
level; CW interferer level is increased until BER = 10−3
1 MHz
2 MHz
5 MHz
10 MHz
69
75
78
78.5
12
dB
dB
dB
dB
SATURATION
dBm
2FSK mode, BER = 10−3
(MAXIMUM INPUT LEVEL)
Rev. 0 | Page 7 of 64