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參數(shù)資料
| 型號： | SKY12339-350LF |
| 廠商： | SKYWORKS SOLUTIONS INC |
| 元件分類： | 衰減器 |
| 英文描述： | 400 MHz - 3000 MHz RF/MICROWAVE FIXED ATTENUATOR, 2.6 dB INSERTION LOSS-MAX |
| 封裝： | 3 X 3 MM, GREEN, QFN-16 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大?。?/td> | 817K |
| 代理商： | SKY12339-350LF |
Skyworks Solutions, Inc. Phone [781] 376-3000 Fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com
201143B Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice June 3, 2010
1
DATA SHEET
SKY12339-350LF: 0.4-3.0 GHz 5-Bit Digital Attenuator
(1 dB LSB)
Applications
WiMAX, GSM, CDMA, WCDMA, WLAN, Bluetooth, Zigbee,
and mobile radio base stations or terminal equipment
Telecommunications and instrumentation
Features
Broadband operation: 0.4 to 3.0 GHz
Attenuation: 31 dB
LSB attenuation: 1 dB
Low insertion loss: 1.2 dB @ 900 MHz
Positive voltage operation: 4.5 to 5.5 V
Low current consumption: 1.5 mA typical @ 5 V
Small, QFN (16-pin, 3 x 3 mm) package (MSL1, 260 C per
JEDEC J-STD-020)
V1
RF2
RF1
V2
V3
V4
V5
16 dB
8 dB
4 dB
2 dB
1 dB
S1686
Figure 1. SKY12339-350LF Block Diagram
Description
The SKY12339-350LF is a monolithic, GaAs binary-weighted five-
bit single positive control voltage digital attenuator. The device
operates from 0.4 to 3.0 GHz. DC power consumption is very low,
typically 1.5 mA, with a supply voltage of 5 V.
The SKY12339-350LF has an LSB of 1 dB and total attenuation of
31 dB. The two RF ports are bilateral; each can be used as the RF
input or the RF output. An external supply voltage of 4.5 to 5.5 V
is required.
The SKY12339-350LF is comprised of five cascaded fixed
attenuators, each of which has a shunt bypass switch. Beginning
at the 1 dB LSB, each succeeding fixed attenuator produces twice
the attenuation of the preceding stage.
The state of each bypass switch is controlled by the logic level
voltage applied to the associated control voltage input. A logic
high voltage closes the associated switch, which bypasses that
fixed attenuator stage; a logic low opens the switch to force the
input signal to that stage through the associated attenuator.
A functional block diagram is shown in Figure 1. The pin
configuration and package are shown in Figure 2. Signal pin
assignments and functional pin descriptions are provided in
Table 1.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| SKY12339-350LF_EVB | 制造商:Skyworks Solutions Inc 功能描述:Eval Board for SKY12339-350LF, Bulk |
| SKY12339-350LFB | 制造商:Skyworks Solutions Inc 功能描述:ATTENUATOR - DIGITALLY CONTROLLED |
| SKY12339-350LF-EVB | 功能描述:BOARD EVAL FOR SKY12339-350 RoHS:是 類別:RF/IF 和 RFID >> RF 評估和開發(fā)套件，板 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:GPS 接收器 頻率:1575MHz 適用于相關(guān)產(chǎn)品:- 已供物品:模塊 其它名稱:SER3796 |
| SKY12340-364LF | 功能描述:信號調(diào)節(jié) 30KHz-2.0GHz Attn 15.5dB .5dB Stp RoHS:否 制造商:EPCOS 產(chǎn)品:Duplexers 頻率:782 MHz, 751 MHz 頻率范圍: 電壓額定值: 帶寬: 阻抗:50 Ohms 端接類型:SMD/SMT 封裝 / 箱體:2.5 mm x 2 mm 工作溫度范圍:- 30 C to + 85 C 封裝:Reel |
| SKY12340-364LF_EVB | 制造商:Skyworks Solutions Inc 功能描述:Eval Board for SKY12340-364LF, Bulk |
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