Typical operating characteristics (continued), Transmitter – Rainbow Electronics MAX7030 User Manual
Page 9
MAX7030
Low-Cost, 315MHz, 345MHz, and 433.92MHz
ASK Transceiver with Fractional-N PLL
_______________________________________________________________________________________
9
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX7030 24-1
SUPPLY VOLTAGE (V)
OUTPUT POWER (dBm)
3.3
3.0
2.7
2.4
6
8
10
12
14
4
2.1
3.6
f
RF
= 315MHz
PA ON
ENVELOPE SHAPING DISABLED
T
A
= -40
°C
T
A
= +25
°C
T
A
= +125
°C
T
A
= +85
°C
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX7030 24-2
SUPPLY VOLTAGE (V)
OUTPUT POWER (dBm)
3.3
3.0
2.7
2.4
6
8
10
12
14
4
2.1
3.6
f
RF
= 315MHz
PA ON
ENVELOPE SHAPING ENABLED
T
A
= +125
°C
T
A
= +25
°C
T
A
= -40
°C
T
A
= +85
°C
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX7030 25-1
SUPPLY VOLTAGE (V)
OUTPUT POWER (dBm)
3.3
3.0
2.7
2.4
6
8
10
12
14
4
2.1
3.6
f
RF
= 434MHz
PA ON
ENVELOPE SHAPING DISABLED
T
A
= +85
°C
T
A
= +125
°C
T
A
= +25
°C
T
A
= -40
°C
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX7030 25-2
SUPPLY VOLTAGE (V)
OUTPUT POWER (dBm)
3.3
3.0
2.7
2.4
6
8
10
12
14
2.1
3.6
f
RF
= 434MHz
PA ON
ENVELOPE SHAPING ENABLED
T
A
= +85
°C
T
A
= +125
°C
T
A
= +25
°C
T
A
= -40
°C
EFFICIENCY vs. SUPPLY VOLTAGE
MAX7030 toc26
SUPPLY VOLTAGE (V)
EFFICIENCY (%)
3.3
3.0
2.7
2.4
25
30
35
40
20
2.1
3.6
T
A
= +85
°C
T
A
= +125
°C
T
A
= +25
°C
T
A
= -40
°C
f
RF
= 315MHz
PA ON
EFFICIENCY vs. SUPPLY VOLTAGE
MAX7030 toc27
SUPPLY VOLTAGE (V)
EFFICIENCY (%)
3.3
3.0
2.7
2.4
25
30
35
40
20
2.1
3.6
T
A
= +85
°C
T
A
= +125
°C
T
A
= +25
°C
T
A
= -40
°C
f
RF
= 434MHz
PA ON
EFFICIENCY vs. SUPPLY VOLTAGE
MAX7030 toc28
SUPPLY VOLTAGE (V)
EFFICIENCY (%)
3.3
3.0
2.7
2.4
15
20
25
30
10
2.1
3.6
T
A
= +85
°C T
A
= +125
°C
T
A
= +25
°C
T
A
= -40
°C
f
RF
= 315MHz
50% DUTY CYCLE
EFFICIENCY vs. SUPPLY VOLTAGE
MAX7030 toc29
SUPPLY VOLTAGE (V)
EFFICIENCY (%)
3.3
3.0
2.7
2.4
20
25
30
15
2.1
3.6
T
A
= +85
°C
T
A
= +125
°C
T
A
= +25
°C
T
A
= -40
°C
f
RF
= 434MHz
50% DUTY CYCLE
PHASE NOISE vs. OFFSET FREQUENCY
MAX7030 toc30
OFFSET FREQUENCY (Hz)
PHASE NOISE (dBc/Hz)
1M
100k
10k
1k
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-140
100
10M
f
RF
= 315MHz
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.)
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