MICRF501
Typical Application
Figure 3 shows an example of a transceiver with modulation
applied to the VCO. The inductors and trimming capacitors
must have a good high frequency performance.
The varactor MA4ST-350-1141 is a single variable capaci-
tance diode manufactured by MACOM. The pin diode
MA-4P789-1141 is manufactured by MACOM.
Micrel
C7
C8
4.7n
4.7n
C10
C12
C9
1n
C11
1n
R6
1n
1n
V DD
V DD
8.2k
VDD
R1
10 ?
1
44
IFGND
43
42
41
40
39
38
37
36
35
34
MIXER
VDD
33
R5
10 ?
C5
R4
10 ?
C30
47p
VDD
C1
1n
R2
10 ?
IchOut
QchOut
2
3
4
IFVDD
ICHOUT
QCHOUT
MIXER
GND
LNA_C
RFGND2
32
31
30
C26
10n
C27
22p
100p
C28
6.8p
L2
15n
ant-switch
D2
MA4P-789-1141
C2
100p
R7
3.6k
5
OSCVDD
RFIN
29
L1
47n
C13
15p
C16
100n
6
7
8
OSCIN
OSCGND
GND
MICRF501
44-pin LQFP
RFVDD
RFGND
RFOUT
28
27
26
R14
1k
C4
100p
C29
18p
L3
47n
C34
47p
ANT
C35
2.2p
D1
MA4ST350
R13
R8
47k
C15
R9
R10
8.2k
9
10
CMPOUT
CMPR
PABIAS
PA_C
25
24
C25
470p
L4
68n
D3
MA4P789-1141
270k 6.8n
8.2k
MOD
DIGGND
C19
470p
R11
150k
11
C36
1n
12
13
14
15
16
17
18
19
20
21
22
23
L5
10n
C31
15p
C32
2.2p
C33
5.6p
R15
3.6k
V DD
C18
100n
R12
3.3k
R16
1k
C17
470p
10MHz
C21
5.6p
C22
47p
C23
1n
Lock
Det
C20
2p-6p
C24
R3
10 ?
C3
1n
V DD
C6
100p
1n
RSSI
Figure 3. Application Circuit
March 2003
7
MICRF501
相关PDF资料
MICRF505DEV1 KIT DEV RADIOWIRE 850-950MHZ
MICRF506DEV1 EVAL BOARD EXPERIMENTAL MICRF506
MICRF507YML TR TXRX FSK LOW PWR W/AMP 32MLF
MICRF600DEV1 KIT DEV RADIOWIRE 902-928MHZ
MK01-C SENSOR REED SPST-NO SMD
MK01-H SENSOR REED SPDT-CHANGE SMD
MK02/0-1A66-500W SENSOR REED SPST-NO
MK02/6-0 SENSOR REED PCB 24MM T/H
相关代理商/技术参数
MICRF501EVAL1 功能描述:EVAL BOARD EXPERIMENTAL MICRF501 RoHS:否 类别:RF/IF 和 RFID >> RF 评估和开发套件,板 系列:RadioWire® 标准包装:1 系列:- 类型:GPS 接收器 频率:1575MHz 适用于相关产品:- 已供物品:模块 其它名称:SER3796
MICRF505 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:868MHz and 915MHz ISM Band Transceiver
MICRF505_07 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:850MHz and 950MHz ISM Band Transceiver
MICRF505BML 制造商:Rochester Electronics LLC 功能描述: 制造商:RF Micro Devices Inc 功能描述:
MICRF505BML TR 功能描述:TXRX ISM 868-915MHZ 32-MLF RoHS:否 类别:RF/IF 和 RFID >> RF 收发器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:30 系列:- 频率:4.9GHz ~ 5.9GHz 数据传输率 - 最大:54Mbps 调制或协议:* 应用:* 功率 - 输出:-3dBm 灵敏度:- 电源电压:2.7 V ~ 3.6 V 电流 - 接收:* 电流 - 传输:* 数据接口:PCB,表面贴装 存储容量:- 天线连接器:PCB,表面贴装 工作温度:-25°C ~ 85°C 封装/外壳:68-TQFN 裸露焊盘 包装:管件
MICRF505DEV1 功能描述:射频开发工具 MICRF505 Evaluation Kit - For experimental use only RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V
MICRF505DEV1 制造商:Micrel Inc 功能描述:KIT MICRF505 EVALUATION
MICRF505L 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:850MHz and 950MHz ISM Band Transceiver