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B4121

B4121

  • 厂商:

    EPCOS

  • 封装:

  • 描述:

    B4121 - SAW Components Low-Loss Filter for Mobile Communication 942,50 MHz - EPCOS

  • 详情介绍
  • 数据手册
  • 价格&库存
B4121 数据手册
SAW Components Data Sheet B4121 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Ceramic package DCC6D Features s Low-loss RF filter for mobile telephone B4121 942,50 MHz EGSM systems, receive path Low amplitude ripple Usable passband 35 MHz Unbalanced to balanced operation Impedance transformation from 50 Ω to 150 Ω s Ceramic package for Surface Mounted Technology (SMT) s s s s Terminals s Ni, gold-plated Dimensions in mm, approx. weight 0,037 g Pin configuration 2 1, 3 4, 6 5 1, 3, 5 Type B4121 Input, unbalanced Input ground Output, balanced To be grounded Case ground Ordering code B39941-B4121-U510 Marking and Package according to C61157-A7-A68 Packing according to F61074-V8089-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Input power max. 880 ... 915 MHz 1705 ...1785 MHz T Tstg VDC PIN – 40 / + 85 – 40 / + 85 3 18 18 ˚C ˚C V dBm dBm source impedance 50 Ω, load impedance 150 Ω, CW input for min. 2000 h 2 Feb 27, 2003 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: B4121 942,50 MHz T = 25+-2 ˚C ZS = 50 Ω ZL = 150 Ω || 80 nH min. Center frequency Maximum insertion attenuation 925,0 ... 960,0 Amplitude ripple (p-p) 925,0 ... 960,0 Attenuation 0,0 600,0 880,0 905,0 980,0 1000,0 1025,0 1050,0 1500,0 2130,0 3000,0 4050,0 ... 600,0 ... 880,0 ... 905,0 ... 915,0 ...1000,0 ...1025,0 ...1050,0 ...1500,0 ...2130,0 ...3000,0 ...4050,0 ...5700,0 MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz α 60 50 30 18 21 30 35 50 45 40 35 23 typ. 942,5 max. — MHz fC αmax MHz ∆α — — 2,8 3,2 dB — 1,0 1,4 dB 70 55 38 23 23 37 40 57 55 48 41 30 — — — — — — — — — — — — dB dB dB dB dB dB dB dB dB dB dB dB Symmetry in band (referenced to the matched operating condition) |S31|/|S21| arg(S31/S21) 925,0 ... 960,0 925,0 ... 960,0 MHz MHz -1,8 170 0 180 1,2 192 dB ˚ 3 Feb 27, 2003 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: B4121 942,50 MHz T = -10 to +75 ˚C ZS = 50 Ω ZL = 150 Ω || 80 nH min. Center frequency Maximum insertion attenuation 925,0 ... 960,0 Amplitude ripple (p-p) 925,0 ... 960,0 Attenuation 0,0 600,0 880,0 905,0 980,0 1000,0 1025,0 1050,0 1500,0 2130,0 3000,0 4050,0 ... 600,0 ... 880,0 ... 905,0 ... 915,0 ...1000,0 ...1025,0 ...1050,0 ...1500,0 ...2130,0 ...3000,0 ...4050,0 ...5700,0 MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz α 60 50 28 18 20 30 35 50 45 40 35 23 typ. 942,5 max. — MHz fC αmax MHz ∆α — — 3,0 3,8 dB — 1,2 2,0 dB 70 55 33 21 22 37 40 57 55 48 41 30 — — — — — — — — — — — — dB dB dB dB dB dB dB dB dB dB dB dB Symmetry in band (referenced to the matched operating condition) |S31|/|S21| arg(S31/S21) 925,0 ... 960,0 925,0 ... 960,0 MHz MHz -2,3 170 0 180 1,2 192 dB ˚ 4 Feb 27, 2003 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: B4121 942,50 MHz T = -40 to +85 ˚C ZS = 50 Ω ZL = 150 Ω || 80 nH min. Center frequency Maximum insertion attenuation 925,0 ... 960,0 Amplitude ripple (p-p) 925,0 ... 960,0 Attenuation 0,0 600,0 880,0 905,0 980,0 1000,0 1025,0 1050,0 1500,0 2130,0 3000,0 4050,0 ... 600,0 ... 880,0 ... 905,0 ... 915,0 ...1000,0 ...1025,0 ...1050,0 ...1500,0 ...2130,0 ...3000,0 ...4050,0 ...5700,0 MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz α 60 50 28 18 19 30 35 50 45 40 35 23 typ. 942,5 max. — MHz fC αmax MHz ∆α — — 3,4 4,2 dB — 1,8 2,6 dB 70 55 33 21 21 37 40 57 55 48 41 30 — — — — — — — — — — — — dB dB dB dB dB dB dB dB dB dB dB dB Symmetry in band (referenced to the matched operating condition) |S31|/|S21| arg(S31/S21) 925,0 ... 960,0 925,0 ... 960,0 MHz MHz -2,6 170 0 180 1,2 192 dB ˚ 5 Feb 27, 2003 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Transfer function ( spec at 25 ˚C ) B4121 942,50 MHz Transfer function ( wideband ) 6 Feb 27, 2003 SAW Components Low-Loss Filter for Mobile Communication Data Sheet B4121 942,50 MHz Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC WT P.O. Box 80 17 09, 81617 Munich, GERMANY © EPCOS AG 2002. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS’ prior express consent is prohibited. Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed. This brochure replaces the previous edition. For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or the international Representatives. Due to technical requirements components may contain dangerous substances. For information on the type in question please also contact one of our Sales Offices. 7 Feb 27, 2003
B4121
### 物料型号 - 型号:B4121 - 订购代码:B39941-B4121-U510 - 标记和封装:C61157-A7-A68, F61074-V8089-Z000

### 器件简介 B4121是一款用于移动通信的低损耗射频滤波器,特别适用于EGSM系统接收路径。它具有低幅度波动、可用通带35MHz、非平衡到平衡操作、50Ω到150Ω的阻抗转换等特点,并采用适用于表面贴装技术(SMT)的陶瓷封装。

### 引脚分配 - 引脚1、3:输入,非平衡 - 引脚2:输入地 - 引脚4、6:输出,平衡 - 引脚5:需要接地,外壳地

### 参数特性 - 中心频率:942.5 MHz - 最大插入损耗:最大3.8 dB(在925.0至960.0 MHz范围内) - 幅度波动(峰-峰值):在925.0至960.0 MHz范围内,最小1.0 dB,典型1.4 dB - 衰减:在不同的频率范围内有不同的衰减值,例如在0.0至600.0 MHz范围内为60至70 dB,在600.0至880.0 MHz范围内为50至55 dB等。

### 功能详解 B4121滤波器在移动通信中用于过滤不需要的信号,确保通信质量。它通过非平衡到平衡的转换和阻抗匹配,优化信号传输效率。

### 应用信息 适用于EGSM系统接收路径的低损耗射频滤波,优化信号接收质量。

### 封装信息 采用陶瓷封装,适用于表面贴装技术(SMT),尺寸以毫米为单位,大约重量为0.037克。
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