參數(shù)資料
型號(hào): PMB2349
廠商: INFINEON TECHNOLOGIES AG
元件分類: PLL合成/DDS/VCOs
英文描述: PLL FREQUENCY SYNTHESIZER, 2800 MHz, PQCC24
封裝: PLASTIC, VQFN-24
文件頁(yè)數(shù): 29/35頁(yè)
文件大?。?/td> 670K
代理商: PMB2349
Reference
5 - 15
PMB 2349
preliminary
Wireless Components
Confidential
Specification, May 2000
5.5.2
Typical Performance
VCP is intended to be within VSNK and VPDVSRC
System: standard GSM-application
RF: 900MHz, PD frequency: 200kHz, Vcc: 3.6V, TA.: -40...+85’C
Kvco: 10MHz/V, Icp: 4mA
Loopfilter (C1,R2-C2,R3,C3): 270pF,18k
-2.2uF,12k,100pF
The following typical performance can be expected:
5.6 Threshold Voltages of Schmitt-Trigger Input
Table 5-24 Typical Performance
VCP-range #1 - LIBERAL VSNK = 200mV VSRC = 500mV
spurious suppression @200 kHz - better than -80 dB
phase noise @ 1kHz / 2V7 - typical 85 dBc/Hz
phase noise @ 1kHz / 3V6 - typical 88 dBc/Hz
VCP-range #2 - CONSERVATIVE VSNK = 600mV VSRC = 900mV
performance of VPD-range #1
CP current variation below +/-20%
Typical Vin Thresholds of 3W-Bus
0,82
0,92
1,02
1,12
1,22
1,32
2,5
3
3,544,5
5
VCC
typ. High min.
typ. Low max.
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