MAX2463EAI Просмотр технического описания (PDF) - Maxim Integrated
Номер в каталоге
Компоненты Описание
производитель
MAX2463EAI Datasheet PDF : 14 Pages
| |||
900MHz Image-Reject Transceivers
Typical Operating Characteristics (continued)
(MAX242X/246X EV kit, VCC = + 3.3V; fLO = 925.7MHz (MAX2420), fLO = 961MHz (MAX2421), fLO = 985MHz (MAX2422), fLO = 904.3MHz
(MAX2460); fLO = 805MHz (MAX2463); fRXIN = 915MHz; PRXIN = -35dBm; PTXIN = -15dBm (330Ω); LNAGAIN = 2V; TXGAIN = VCC;
VCOON = 2.4V; RXON = TXON = MOD = DIV1 = PREGND = GND; TA = +25°C; unless otherwise noted.)
MAX2421
MAX2422
MAX2463
TRANSMITTER OUTPUT SPECTRUM
0
-10 TXON = VCC
FUNDAMENTAL
TRANSMITTER OUTPUT SPECTRUM
0
-10 TXON = VCC
FUNDAMENTAL
TRANSMITTER OUTPUT SPECTRUM
0
TXON = VCC
-10
-20
-30
LO IMAGE
-20
-30
LO IMAGE
-20
-30
LO
IMAGE
FUNDAMENTAL
-40
-40
-40
-50
-50
-50
-60
-60
-60
-70
-70
-70
-80
-80
-80
-90
-90
-90
-100
710 810 910 1010 1110 1210
-100
735 835 935 1035 1135 1235
-100
605 655 705 1005 1055 1105
FREQUENCY (MHz)
MAX2420
TRANSMITTER LO SUPPRESSION
HISTOGRAM (n = 86)
18
TXON = VCC
16
14
12
10
8
6
4
2
0
24 26 28 30 32 34 36 38 40 42 44 46 48 50
LO SUPPRESSION (dBc)
FREQUENCY (MHz)
TRANSMITTER 1dB COMPRESSION POINT
vs. TEMPERATURE
3.0
TXON = VCC
2.5
VCC = 4.8V
2.0
VCC = 3.3V
1.5
1.0
VCC = 2.7V
0.5
0
-0.5
-1.0
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
FREQUENCY (MHz)
MAX2420
TRANSMITTER IM3 REJECTION
vs. TXGAIN VOLTAGE
54
TXON = VCC
f1 = 10.6MHz
52
f2 = 10.8MHz
-21dBm PER TONE
50
48
46
VCC = 3.3V
VCC = 4.8V
44
VCC = 2.7V
42
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
TXGAIN VOLTAGE (V)
TRANSMITTER IMAGE REJECTION
vs. RF FREQUENCY
45
40
TXON = VCC
35
30
25
20
15
10
5
0
100
500 900 1300 1700 2100
RF FREQUENCY (MHz)
TRANSMITTER IMAGE REJECTION
vs. IF FREQUENCY
50
MAX2420
45
40 MAX2460
MAX2421
MAX2422
35
MAX2463
30
25
20
15
10
5
0
TXON = VCC
1
10
100
1000
IF FREQUENCY (MHz)
550
500
450
400
350
300
250
200
150
100
50
0
1
PRESCALER OUTPUT LEVEL
vs. LOAD RESISTANCE
LOAD IS PLOTTED RESISTANCE
IN PARALLEL WITH A 10pF
OSCILLOSCOPE PROBE
(÷ 64/65 MODE)
100
1k
10k
100k
LOAD RESISTANCE (Ω)
_______________________________________________________________________________________ 7
Share Link: 