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参数资料
| 型号： | MICRF506BML TR |
| 厂商： | Micrel Inc |
| 文件页数： | 18/42页 |
| 文件大小： | 0K |
| 描述： | TXRX ISM 400MHZ 32-MLF |
| 标准包装： | 1,000 |
| 频率： | 410MHz ~ 450MHz |
| 数据传输率 - 最大： | 200kBaud |
| 调制或协议： | FSK |
| 应用： | ISM |
| 功率 - 输出： | 11dBm |
| 灵敏度： | -113dBm |
| 电源电压： | 2 V ~ 2.5 V |
| 电流 - 接收： | 12mA |
| 电流 - 传输： | 10.5mA |
| 数据接口： | PCB，表面贴装 |
| 天线连接器： | PCB，表面贴装 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 32-VFQFN 裸露焊盘，32-MLF? |
| 包装： | 带卷 (TR) |
| 其它名称： | MICRF506BMLTR MICRF506BMLTR-ND |
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Micrel
MICRF506BML/YML
Charge Pump
A6..A0 D7 D6
0000010 CP_HI SC_by
D5
‘0’
D4
PA_by
D3
OUTS3
D2
OUTS2
D1
OUTS1
D0
OUTS1
Table 9 shows three different loop filters, the two first
for VCO modulation and the last one for modulation
using the internal dividers. The component values
are calculated with RF frequency = 434MHz, VCO
The charge pump current can be set to either 125 μ A
or 500 μ A by CP_HI (‘1’ → 500 μ A). This will affect
the loop filter component values, see “PLL Filter”
section. In most cases, the low current is best suited.
For applications using phase detector frequency and
gain = 32MHz/V and charge pump current = 125 μ A.
Other settings are shown in the table. The varactor
pin capacitance (pin 29) of 5pF does not influence
on the component values for the two filters with
lowest bandwidth.
high PLL bandwidth, the 500 μ A can be a better
choice.
PLL Filter
VCO
Baud Rate
(kbaud/sec)
>38.4
PLL
BW
(kHz)
0.8
Phase
Margin( ? )
56
Phase
Detector
Freq.
(kHz)
100
C1
10nF
C2 R1
100nF 6.2k ?
R2
0
C3
NC
The design of the PLL filter will strongly affect the
performance of the frequency synthesizer. The PLL
VCO
Divider
>125
<20
3,2
13
56
86
100
500
680pF
150pF
6.8nF
10nF
22k ?
18k ?
0
82k ?
NC
4.7pF
filter is kept externally for flexibility. Input parameters
when designing the loop filter for the MICRF506 are
mainly the modulation method and the bit rate.
Table 9. Loop Filter Components Values
These choices will also affect the switching time and
phase noise.
Lock Detect
A6..A0 D7
D6
D5
D4
D3
D2
D1
D0
The frequency modulation can be done in two
0000001
Modulation1
Modulation0
‘0’
‘0’
RSSI_en
LD_en
PF_FC1
PF_FC0
different ways with the MICRF506, either by VCO
modulation or by modulation with the internal
dividers (see chapter Frequency modulation for
further details). In the first case, the PLL needs to
lock on a new carrier frequency for every new data
A lock detector can be enabled by setting LD_en
= 1. When pin LD is high, it indicates that the
PLL is in lock.
bit. Now the PLL bandwidth needs to be adequately
high. It is recommended to use a third order filter to
suppress the phase detector frequency, as this is
not suppressed as much as when doing modulation
Modes of Operation
A6..A0 D7 D6 D5
0000000 LNA_by PA2 PA1
D4
PA0
D3
Sync_en
D2
Mode1
D1
Mode0
D0
Load_en
on the VCO with a lower bandwidth filter.
A schematic for a second (R2=0 and C3=NC) and
third order loop filter is shown in Figure 8.
Mode1
0
0
1
Mode0
0
1
0
State
Power down
Standby
Receive
Comments
Keeps register configuration
Only crystal oscillator running
Full receive
Pin 27
Pin 29
1
1
Transmit
Full transmit ex PA state
CP_OUT
C1
C2
R2
C3
VARIN
R1
Figure 8. Second and Third Order Loop Filter
July 2006
18
M9999-092904
+1 408-944-0800
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MICRF506DEV1 | 功能描述:射频开发工具 MICRF506 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 |
| MICRF506DEV1 | 制造商:Micrel Inc 功能描述:KIT MICRF506 EVALUATION |
| MICRF506YML | 制造商:Micrel Inc 功能描述:410/450MHZ ITRANSCEIVER SMD MLF32 制造商:Micrel Inc 功能描述:410/450MHZ ITRANSCEIVER, SMD, MLF32 制造商:Micrel Inc 功能描述:MICRF506 Series 410-450 MHz ISM Band FSK Transceiver - MLF-32 制造商:Micrel Inc 功能描述:410/450MHZ ITRANSCEIVER, SMD, MLF32; Frequency Min:410MHz; Frequency Max:450MHz; Modulation Type:FSK; Sensitivity dBm:-113dBm; Data Rate:200Kbps; Supply Voltage Min:2V; Supply Voltage Max:2.5V; RF IC Case Style:MLF; No. of Pins:32; ;RoHS Compliant: Yes |
| MICRF506YML TR | 功能描述:射频收发器 410MHz to 470MHz, 2.0V to 2.5V, Low-Power FSK Transceiver with +10dBm Power Amplifier RoHS:否 制造商:Atmel 频率范围:2322 MHz to 2527 MHz 最大数据速率:2000 Kbps 调制格式:OQPSK 输出功率:4 dBm 类型: 工作电源电压:1.8 V to 3.6 V 最大工作温度:+ 85 C 接口类型:SPI 封装 / 箱体:QFN-32 封装:Tray |
| MICRF506YMLTR | 制造商:Micrel 功能描述:433MHz ISM Band Transceiver |
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