CXD2951GA-2
Radio Characteristics
DC Characteristics
Item
Supply current 1
Supply current 2
Symbol
IDD
IPS
Conditions
Active mode∗1
Power save mode∗1
∗1 Applicable pins 31, 33, 37, 41, 42, 56, 58
(VDD = 1.8V, Ta = 25°C)
Min. Typ. Max. Unit
13.5
17
20.5 mA
—
0.1
1.5
µA
AC Characteristics
Item
Symbol
Conditions
Min.
Total gain
G
Before the A/D converter
90
Image rejection ratio IMRR Image frequency = 1571.328MHz
—
2nd IF filter 2.5MHz Fc
@2.5MHz Normalized at 1.023MHz –6
2nd IF filter 4MHz Fa
@4MHz Normalized at 1.023MHz
—
∗ Including the 50Ω matching circuit
(VDD = 1.8V, Ta = 25°C)
Typ. Max. Unit
100
—
dB
–35 –15 dB
0
4
dB
–25 –15 dB
Design Measurement Results
(VDD = 1.8V, Ta = 25°C)
Item
Symbol
Conditions
Min. Typ. Max. Unit
Total NF
NF
Before the 2nd IF mixer
—
8
—
dB
IIP3
IIP3
Before the A/D converter
—
–90
— dBm
P-1dB input
P1dB Before the A/D converter
—
–100
—
dBm
S11
S11
—
–15
—
dB
Lock up time
LUT
Measure the interval between reset
input and IF output.
—
2.5
—
ms
C/N 100K
C/N
TCXO = 18.414MHz
—
–70
— dBc/Hz
Local leak
Leak Measure at RF input.
—
–65
— dBm
∗ Including the 50Ω matching circuit
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