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參數資料
| 型號： | MICRF112YMM TR |
| 廠商： | Micrel Inc |
| 文件頁數： | 15/20頁 |
| 文件大小： | 550K |
| 描述： | IC XMITTER UHF ASK/FSK 10-MSOP |
| 標準包裝： | 2,500 |
| 頻率： | 300MHz ~ 450MHz |
| 應用： | RKE |
| 調制或協議： | ASK，OOK |
| 數據傳輸率 - 最大： | 50 kbps |
| 功率 - 輸出： | 10dBm |
| 電流 - 傳輸： | 12.3mA |
| 數據接口： | PCB，表面貼裝 |
| 天線連接器： | PCB，表面貼裝 |
| 電源電壓： | 1.8 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 125°C |
| 封裝/外殼： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | MICRF112YMMTR MICRF112YMMTR-ND |
Micrel, Inc.
MICRF112
December 2011
15
M9999-120911
(408) 944-0800
Output Matching Network
Part of the function of the output network is to attenuate
the second and third harmonics. When matching to a
transmit frequency, care must be taken not only to
optimize for maximum output power but to attenuate
unwanted harmonics.
Layout Issues
PCB Layout is of primary concern to achieve optimum
performance and consistent manufacturing results. Care
must used on orientation of components to ensure they
do not couple or decouple the RF signal. PCB trace
length should be short to minimize parasitic inductance,
(1 inch ~ 20nH). For example, depending on inductance
values, a 0.5 inch trace can change the inductance by as
much as 10%. To reduce parasitic inductance, the use of
wide traces and a ground plane under signal traces is
recommended. Vias with low value inductance should be
used for components requiring a connection-to-ground.
Antenna Layout
Directivity is affected by antenna trace layout. No ground
plane should be under the antenna trace. For consistent
performance, components should not be placed inside
the loop of the antenna. Gerbers for Figure 7, with a
suggested layout, can be obtained on the Micrel web site
at: http://www.micrel.com.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MICRF112YMU TR | 功能描述:射頻發射器 300MHz to 450MHz ASK/FSK Transmitter RoHS:否 制造商:Micrel 類型:ASK Transmitter 封裝 / 箱體:SOT-23-6 工作頻率:300 MHz to 450 MHz 封裝:Reel 工作電源電壓: 最大工作溫度: 安裝風格: |
| MICRF112YMU-TR | 功能描述:RF Transmitter ASK, FSK 300MHz ~ 450MHz 10dBm 50kbps PCB, Surface Mount Antenna 10-XFDFN Exposed Pad 制造商:microchip technology 系列:QwikRadio? 包裝:剪切帶（CT） 零件狀態:停產 頻率:300MHz ~ 450MHz 應用:RKE，TPM 調制或協議:ASK，FSK 數據速率（最大值）:50kbps 功率 - 輸出:10dBm 電流 - 傳輸:11mA 數據接口:PCB，表面貼裝 天線連接器:PCB，表面貼裝 存儲容量:- 特性:- 電壓 - 電源:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 125°C 封裝/外殼:10-XFDFN 裸露焊盤 標準包裝:1 |
| MICRF113 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:QwikRadio㈢ ASK Transmitter |
| MICRF113_11 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:300MHz to 450MHz +10dBm ASK Transmitter in SOT23 |
| MICRF113-315 EV | 制造商:Micrel Inc 功能描述:evaluation board for MICRF113 |
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