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BCM4330FKUBG 参数 Datasheet PDF下载

BCM4330FKUBG图片预览
型号: BCM4330FKUBG
PDF下载: 下载PDF文件 查看货源
内容描述: [Telecom Circuit, 1-Func, PBGA133, WLBGA-133]
分类和应用:
文件页数/大小: 168 页 / 1861 K
品牌: CYPRESS [ CYPRESS ]
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BCM4330 Preliminary Data Sheet  
FM Transmitter Specifications  
Section 17: FM Transmitter Specifications  
Note: Values in this data sheet are design goals and are subject to change based on the results of  
device characterization.  
Unless otherwise stated, limit values apply for the conditions specified in Table 27: “Recommended Operating  
Conditions and DC Characteristics,” on page 119. Typical values apply for the following conditions:  
• Vbatt = 3.6V  
• Ambient temperature +25°C  
Table 31: FM Transmitter Specifications  
Parameter  
Conditions  
Min  
Typ  
Max  
Units  
Synthesizer RF Parameters  
Operating frequency  
Frequency step  
Settling time  
Frequencies inclusive  
Channel resolution  
Single frequency switch in any direction –  
to a frequency within the bands 88–108  
MHz or 76–95 MHz. Time measured to  
within 5 kHz of the final frequency.  
76  
50  
108  
40  
MHz  
kHz  
ms  
FM Rx/Tx antenna switching time –  
5
ms/  
channel  
Frequency accuracy  
Over temperature and voltage using  
available reference clocks  
–10  
10  
kHz  
Transmitter Output  
Maximum transmit output level Driving from a current source output into  
a resonated loop antenna for which L =  
120 nH nominal, with a Q 30, all Tx  
frequencies ON, L= R = 0 (that is, no  
modulation), 0 dB internal attenuation/  
gain, and a 2.5V supply.  
87.5–108 MHz 120  
76–87.5 MHz 117  
123  
dBuV  
dBuV  
pF  
Tuning capacitance range  
76 to 108 MHz Based on tuning  
inductance of 120 to 150 nH  
a
Transmitter output accuracy  
Gain step accuracy  
Over entire output range  
25 levels in normal 1 dB steps, one of  
those being 0 dB  
–2  
–0.5  
1
2
1.5  
dB  
dB  
Pilot deviation  
Relative to maximum peak deviation  
8
10  
%
®
BROADCOM  
BCM4330 Preliminary Data Sheet  
April 28, 2011 • 4330-DS304-RI  
Page 126  
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