si4430 Silicon Laboratories, si4430 Datasheet - Page 9

• Manufacturer Part Number: si4430
• Description: Si4430 Ism Transceiver
• Manufacturer: Silicon Laboratories

Table 3. Receiver AC Electrical Characteristics
RX Frequency
Range
RX Sensitivity
RX Bandwidth
Residual BER
Performance
Input Intercept Point,
3
LNA Input Impedance
(Unmatched, measured
differentially across RX
input pins)
RSSI Resolution
1-Ch Offset Selectivity
(BER < 0.1%)
2-Ch Offset Selectivity
(BER < 0.1%)
 3-Ch Offset Selectivity
(BER < 0.1%)
Blocking at 1 MHz
Blocking at 4 MHz
Blocking at 8 MHz
Image Rejection
Spurious Emissions
Notes:
rd
1. All specification guaranteed by production test unless otherwise noted.
2. Guaranteed by qualification.
Order
Parameter
2
2
2
2
2
2
2
2
2
2
2
2
1M
4M
8M
P
RES
P
P
Symbol
P
P
F
C/I
C/I
C/I
P
IIP3
R
P
RX_OOK
RX_RES
Im
OB_RX1
RX_100
RX_125
SYNTH
RX_40
BW
IN-RX
RX_2
BLOCK
BLOCK
BLOCK
1-CH
2-CH
3-CH
REJ
RSSI
RX
40 kbps F = 20 kHz GFSK with BT = 0.5,
Desired Ref Signal 3 dB above sensitivity.
Desired Ref Signal 3 dB above sensitivity.
40 kbps F = 20 kHz GFSK with BT = 0.5
Interferer and desired modulated with
Interferer and desired modulated with
(4.8 kbps, 350 kHz BW, OOK)
(40 kbps, 400 kHz BW, OOK)
f
(100 kbps, GFSK, BT = 0.5,
(125 kbps, GFSK, BT = 0.5,
1
channel spacing = 150 kHz
(40 kbps, GFSK, BT = 0.5,
Up to +5 dBm Input Level
(2 kbps, GFSK, BT = 0.5,
Preliminary Rev. 0.4
= 915 MHz, f
Measured at RX pins
P
(LO feed through)
f = 62.5 kHz)
1
f = 20 kHz)
f = 50 kHz)
(BER < 0.1%)
(BER < 0.1%)
(BER < 0.1%)
(BER < 0.1%)
(BER < 0.1%)
(BER < 0.1%)
f = 5 kHz)
= P
1
Conditions
IF=937 kHz
915 MHz
2
= –40 dBm
2
= 915 MHz,
2
2
2
1
1
2
Min
900
2.6
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
40–55
–107
–103
–101
–102
–118
–110
±0.5
Typ
–20
–31
–35
–40
–52
–56
–63
–30
—
—
—
0
Si4430
Max
960
620
–54
0.1
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Units
MHz
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
ppm
kHz
dB
dB
dB
dB
dB
dB
dB
dB

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