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参数资料
| 型号： | ZL10038LDG |
| 厂商： | Zarlink Semiconductor Inc. |
| 英文描述： | MULTIMETER, DIGITAL; Accuracy, AC voltage range:+/-1.5% rdg + 3 digits; Accuracy, DC current range:+/-2.5% rdg + 3 digits; Accuracy, DC voltage range:+/-1.2% rdg + 3 digits; Accuracy, resistance range:+/-1.5%rdg + 3 digits; Current RoHS Compliant: NA |
| 中文描述： | 数字卫星调谐器射频旁路 |
| 文件页数： | 13/38页 |
| 文件大小： | 939K |
| 代理商： | ZL10038LDG |
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ZL10036
Data Sheet
13
Zarlink Semiconductor Inc.
The baseband post-filter gain stage can be used to provide additional gain to maintain desired output amplitude
with lower symbol rate applications.
Figure 4 - AGC Control Structure
2.2.1 RF
The RF input amplifier feeds an AGC stage, which provides for RF gain control.
Figure 5 - Typical First Stage RF AGC Response
The RF AGC is divided into two stages. The first stage is a continually variable gain control stage, which is
controlled by the AGC sender and provides the main system AGC set under control of the analogue AGC signal
generated by the demodulator section. The second stage is a bus programmable, two position gain set previous to
the quadrature mixer and provides for 4 dB of gain adjust under software control.
The analogue RF AGC is optimized for S/N and S/I performance across the full dynamic range. The RF AGC
characteristic, variation of IIP2, IIP3 and NF are contained in Figure 6, Figure 7 & Figure 8 respectively.
The RF preamplifier is also coupled to the selectable RF bypass, which is described in “RF bypass” on page 16.
The specified electrical parameters of the RF input are unaffected by the RF bypass state.
Normalized gain
range in dB:
Gain function:
0 - 72
0 or +4
0 to 12.6 in 4.2 dB steps
0 to 12.6 in 4.2 dB steps
RF AGC
Stepped
Stepped
Stepped
Control
function:
Analogue
voltage
I2C bus
I2C bus
I2C bus
-80
-70
-60
-50
-40
-30
-20
-10
0
10
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
AGC control voltage V
C
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PDF描述 |
|---|---|
| ZL10036 | Digital Satellite Tuner with RF Bypass |
| ZL10036LDF | Digital Satellite Tuner with RF Bypass |
| ZL10036LDF1 | Digital Satellite Tuner with RF Bypass |
| ZL10036LDG | Digital Satellite Tuner with RF Bypass |
| ZL10036LDG1 | Digital Satellite Tuner with RF Bypass |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ZL10039 | 制造商:ZARLINK 制造商全称:Zarlink Semiconductor Inc 功能描述:Digital Satellite Tuner with RF Bypass |
| ZL10039LCF | 制造商:ZARLINK 制造商全称:Zarlink Semiconductor Inc 功能描述:Digital Satellite Tuner with RF Bypass |
| ZL10039LCF1 | 制造商:ZARLINK 制造商全称:Zarlink Semiconductor Inc 功能描述:Digital Satellite Tuner with RF Bypass |
| ZL10039LCG | 制造商:ZARLINK 制造商全称:Zarlink Semiconductor Inc 功能描述:Digital Satellite Tuner with RF Bypass |
| ZL10039LCG1 | 制造商:ZARLINK 制造商全称:Zarlink Semiconductor Inc 功能描述:Digital Satellite Tuner with RF Bypass |
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