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參數(shù)資料
| 型號： | PMB2240 |
| 廠商： | SIEMENS A G |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | GSM-Transmitter |
| 中文描述： | TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PQFP48 |
| 封裝： | PLASTIC, TQFP-48 |
| 文件頁數(shù)： | 16/31頁 |
| 文件大小： | 1663K |
| 代理商： | PMB2240 |
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The reproduction, transmission or use of this document is not permitted without express written authority. Offenders will be liable for damages. All
rights, including rights created by patent grant or registration of a utility model or design, are reserved.
Siemens AG
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26
External voltage
of current sink
fed to IREF/PLL
27
Current sourced
at IREF/PLL
VIREF/PLL
1.2
V
1
I
IREF/PLL
100**
360
uA
dependent of
resistor value at
RREF/PLL ***
temperature range:
-30 to 85 °C
nominal current:
300uA
1
28
Temperature
dependency of
current sourced
at IREF/PLL *
I
IREF/PLL
+-2
%
0RGXODWRULQSXWV,,;DQG44;
29 I-IX and Q-QX
differential input level
V
I-IX
,
V
Q-QX
V
DCext
500
1000
mVpp
30 Recommended
range for ext DC
voltage to compen-
sate internal offset at
I-IX and Q/QX *
31 Reference voltage
for I,Q modulating
inputs
15
mV
V
TREF
1.25
1.35
1.45
V
Reference to external
GMSK
basebandcircuit to
bias I and Q
of PMB2240
(temperature
compensated)
1
32 Resistive load at
TREF *
33 Input base current
34 Differential input
resistance *
35 Differential input
capacitance *
36 Input frequency *
R
TREF
3
kOhm
I
I/Q_DC
R
I-IX
1
50
6
12
uA
kOhm
at 200 kHz
C
I-IX
1
pF
f
I-IX
f
Q-QX
10
MHz
* Design hint
** required by PMB2306 R19 = 6.8k
*** R19 at pin RREF/PLL gives constant PLL reference current at pin IREF/PLL:
( R19max = open -> I
IREF/PLL
min = 0,
R19min = 2 KOhm -> I
IREF/PLL
max =360uA)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PMB2306 | PLL-Frequency Synthesizer PMB2306R/PMB2306T Version 2.2 |
| PMB2306R | PLL-Frequency Synthesizer PMB2306R/PMB2306T Version 2.2 |
| PMB2306T | PLL-Frequency Synthesizer PMB2306R/PMB2306T Version 2.2 |
| PMB2307 | GSM Receiver PCN/PCS Receiver |
| PMB2405 | GSM Receiver PCN/PCS Receiver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PMB2251V1.3 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog Phase-Locked Loop |
| PMB2302 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Serial-Input Frequency Synthesizer |
| PMB2303 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Serial-Input Frequency Synthesizer |
| PMB2304 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:PLL-FREQUENCY SYNTHESIZER |
| PMB2304R | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:PLL-FREQUENCY SYNTHESIZER |
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