Receiver Specifications - Analog Devices ADF7021-V Manual

ADF7021-V
Parameter
3FSK, Raised Cosine Filtering
12.5 kHz Channel Spacing
25 kHz Channel Spacing
4FSK, Raised Cosine Filtering
25 kHz Channel Spacing
SPURIOUS EMISSIONS
Reference Spurs
3
HARMONICS
Second Harmonic
Third Harmonic
All Other Harmonics
OPTIMUM PA LOAD IMPEDANCE
f = 915 MHz
RF
f = 868 MHz
RF
f = 470 MHz
RF
f = 450 MHz
RF
f = 426 MHz
RF
f = 315 MHz
RF
f = 175 MHz
RF
f = 169 MHz
RF
1
Measured as maximum unmodulated power.
2 Suitable for ETSI 500 mW Tx requirements.
3
Conductive filtered harmonic emissions measured on the EVAL-ADF7021-VDBxZ, which includes a T-stage harmonic filter (two inductors and one capacitor).

RECEIVER SPECIFICATIONS

LBW = loop bandwidth and IFBW = IF filter bandwidth.
Table 3.
Parameter
DATA RATE
2FSK
3FSK
4FSK
SENSITIVITY
2FSK
Sensitivity at 0.25 kbps
Sensitivity at 1 kbps
Sensitivity at 2.4 kbps
Sensitivity at 4.8 kbps
Sensitivity at 9.6 kbps
Gaussian 2FSK
Sensitivity at 0.25 kbps
Sensitivity at 1 kbps
Sensitivity at 2.4 kbps
Sensitivity at 4.8 kbps
Sensitivity at 9.6 kbps
GMSK
Sensitivity at 4.8 kbps
Min Typ Max
4.3
8.5
11.3
−65
−35/−52
−43/−60
−36/−65
39 + j61
48 + j54
97.5 + j64.4
98 + j65
100 + j65
129 + j63
173 + j49
74.5 + j48.5
Min Typ Max
0.05 9.0
0.05 13.5
0.05 18.5
0.05 18.5
0.05 24
−125
−122
−119
−116
−114
−125
−122
−120
−117
−114
−114.5
Rev. 0 | Page 6 of 60
Unit Test Conditions/Comments
kHz 2.4 kbps PN9 data, f
kHz 4.8 kbps PN9 data, f
kHz 9.6 kbps PN9 data, f
dBc LBW = 8 kHz
13 dBm output power
dBc Unfiltered conductive/filtered conductive
dBc Unfiltered conductive/filtered conductive
dBc Unfiltered conductive/filtered conductive
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Unit Test Conditions/Comments
Limited by the IF filter bandwidth
kbps IFBW = 9 kHz
kbps IFBW = 13.5 kHz
kbps IFBW = 18.5 kHz
kbps IFBW = 18.5 kHz
kbps IFBW = 18.5 kHz
Bit error rate (BER) = 10
dBm f = 1 kHz, high sensitivity mode, IFBW = 9.0 kHz
DEV
dBm f = 1 kHz, high sensitivity mode, IFBW = 9.0 kHz
DEV
dBm f = 1.2 kHz, high sensitivity mode, IFBW = 9.0 kHz
DEV
dBm f = 2.4 kHz, high sensitivity mode, IFBW = 9.0 kHz
DEV
dBm f = 4.8 kHz, high sensitivity mode, IFBW = 18.5 kHz
DEV
dBm f = 1 kHz, high sensitivity mode, IFBW = 9.0 kHz
DEV
dBm f = 1 kHz, high sensitivity mode, IFBW = 9.0 kHz
DEV
dBm f = 1.2 kHz, high sensitivity mode, IFBW = 9.0 kHz
DEV
dBm f = 2.4 kHz, high sensitivity mode, IFBW = 9.0 kHz
DEV
dBm f = 4.8 kHz, high sensitivity mode, IFBW = 18.5 kHz
DEV
dBm f = 1.2 kHz, high sensitivity mode, IFBW = 9.0 kHz
DEV
= 1.2 kHz
DEV
= 2.4 kHz
DEV
= 1.2 kHz
DEV
1
−3