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| 型号： | MAX2904EVKIT |
| 厂商： | Maxim Integrated |
| 文件页数： | 7/17页 |
| 文件大小： | 0K |
| 描述： | EVAL KIT |
| 标准包装： | 1 |
| 系列： | * |
MAX2900–MAX2904
200mW Single-Chip Transmitter ICs for
868MHz/915MHz ISM Bands
Typical Operating Characteristics (continued)
(MAX290_ EV kits. V CC = +4.5V, f RF = 917.28MHz (MAX2900/MAX2901/MAX2902) or f RF = 868MHz (MAX2903/MAX2904), R RLPF =
68k Ω , R PWRSET = 22k Ω, VASK = VREG, f REF = 14.56MHz (MAX2900/MAX2901/MAX2902) or f REF = 13.78MHz (MAX2903/MAX2904),
chip rate on MODIN = 1.22 Mbps, RF output matching network optimized for +23dBm, V CC = 4.5V, T A = +25°C, unless
otherwise noted.)
RF POWER vs. FREQUENCY
(MAX2903/MAX2904)
OUTPUT SPECTRUM WITH 600kHz
SQUARE WAVE INPUT AT MODIN
OUTPUT SPECTRUM WITH PN SEQUENCE
AT 1.22MHz AT MODIN
17
RF OUTPUT MATCHING
30dBm
MKR
30dBm
MKR
OPTIMIZED FOR +14dBm
917.31MHz
917.35MHz
16
OUTPUT AT V CC = +3.0V
V CC = +3.6V
-16.33dBm
8.17dBm
15
14
13
V CC = +3.0V
V CC = +2.7V
10dB/div
10dB/div
12
860
864
868
872
876
-70dBm
CENTER 917.28MHz
SPAN 20MHz
-70dBm
CENTER 917.28MHz
SPAN 20MHz
FREQUENCY (MHz)
RF OUT RISE AND FALL TIME TRANSIENT
WITH SQUARE OOK
RF OUT RISE AND FALL TIME TRANSIENT
WITH SQUARE ASK
SPURIOUS LEVEL FROM
DC TO 7TH HARMONIC
0dBVp-p
T r
T f
22dBVp-p
30dBm
MKR
910MHz
23.17dBm
T r
T f
10dB/div
10dB/div
10dB/div
-100dBVp-p
START 46 μ s
STOP 86 μ s
-78dBVp-p
START 45 μ s
STOP 85 μ s
-70dBm
START 0Hz
STOP 7GHz
SPURIOUS LEVEL BETWEEN ± 50MHz
30dBm
FROM CARRIER FREQUENCY
45
TRANSMITTER EFFICIENCY vs. R PWRSET
40
35
A
B
C
D
E
10dB/div
-70dBm
30
25
20
15
10
F
A: V CC = 4.5V, T A = -40 ° C
B: V CC = 4.5V, T A = +25 ° C
C: V CC = 4.5V, T A = +85 ° C
D: V CC = 2.7V, T A = -40 ° C
E: V CC = 2.7V, T A = +25 ° C
F: V CC = 2.7V, T A = +85 ° C
CENTER 917.28MHz
SPAN 100MHz
14
18
22
26
30
34
38
R PWRSET (k Ω )
Maxim Integrated
7
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX291C/D | 功能描述:有源滤波器 DICE SALES DICE RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube |
| MAX291CPA | 功能描述:有源滤波器 Integrated Circuits (ICs) RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube |
| MAX291CPA+ | 功能描述:有源滤波器 8th-Order Lowpass Switched-Cap RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube |
| MAX291CSA | 功能描述:有源滤波器 Integrated Circuits (ICs) RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube |
| MAX291CSA+ | 功能描述:有源滤波器 8th-Order Lowpass Switched-Cap RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube |
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