Rainbow Electronics MAX7030 - Manual (Page 6)

MAX7030
Low-Cost, 315MHz, 345MHz, and 433.92MHz
ASK Transceiver with Fractional-N PLL
6 _______________________________________________________________________________________
BIT-ERROR RATE
vs. AVERAGE INPUT POWER
MAX7030 toc04
AVERAGE INPUT POWER (dBm)
BIT-ERROR RATE (%)
-113 -115 -117 -119
0.1
1
10
100
0.01
-121 -111
f RF = 434MHz
f RF = 315MHz
0.2% BER
SENSITIVITY vs. TEMPERATURE
TEMPERATURE ( °C)
SENSITIVITY (dBm)
110 85 60 35 10 -15
-117
-114
-111
-108
-105
-102
-120
-40
MAX7030 toc05
f RF = 434MHz
f RF = 315MHz
RSSI vs. RF INPUT POWER
MAX7030 toc06
RF INPUT POWER (dBm)
RSSI (V)
-10 -30 -70 -50 -90 -110
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
0
-130 10
LOW-GAIN MODE
HIGH-GAIN MODE
AGC SWITCH
POINT
AGC HYSTERESIS: 3dB
RSSI AND DELTA vs. IF INPUT POWER
MAX7030 toc07
IF INPUT POWER (dBm)
RSSI (V)
-10 -30 -50 -70
0.3
0.6
0.9
1.2
1.5
1.8
2.1
0
-90 10
-2.5
-1.5
-0.5
0.5
1.5
2.5
3.5
-3.5
DELTA (%)
RSSI
DELTA
SYSTEM GAIN vs. IF FREQUENCY
MAX7030 toc08
IF FREQUENCY (MHz)
SYSTEM GAIN (dBm)
25 20 15 10 5
-10
0
10
20
30
40
50
-20
0 30
LOWER SIDEBAND
UPPER SIDEBAND
FROM RFIN
TO MIXOUT
f RF = 434MHz
48dB IMAGE
REJECTION
IMAGE REJECTION vs. TEMPERATURE
MAX7030 toc09
TEMPERATURE ( °C)
IMAGE REJECTION (dB)
110 85 60 35 10 -15
44
46
48
42
-40
f RF = 433MHz
f RF = 315MHz
S11 SMITH PLOT OF R FIN
MAX7030 toc12
433MHz
500MHz
400MHz
NORMALIZED IF GAIN vs. IF FREQUENCY
MAX7030 toc10
IF FREQUENCY (MHz)
NORMALIZED IF GAIN (dB)
10
-16
-12
-8
-4
0
-20
1 100
S11 vs. RF FREQUENCY
MAX7030 toc11
RF FREQUENCY (MHz)
S11 (dB)
450 400 350 300 250
-18
-12
-6
0
-24
200 500
433.92MHz
Typical Operating Characteristics (continued)
(Typical Operating Circuit, PAV DD = AV DD = DV DD = HV IN = +3.0V, f RF = 433.92MHz, IF BW = 280kHz, 4kbps Manchester encoded,
0.2% BER, T A = +25°C, unless otherwise noted.)
RECEIVER