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參數(shù)資料
| 型號： | HWB3163 |
| 廠商： | Intersil Corporation |
| 英文描述： | () |
| 中文描述： | （） |
| 文件頁數(shù)： | 7/11頁 |
| 文件大小： | 387K |
| 代理商： | HWB3163 |
7
Explanation of Test Points
All measurements were taken using the “Continuous
Transmit” or “Continuous Receive” features of the PTU
diagnostic software. Unless otherwise noted, spectrum
measurements included in this section were obtained using
a Hewlett-Packard 54006A 500
probe and 11742A coaxial
blocking capacitor and do not indicate the actual amplitude
of the signal owing to losses associated with the probe.
Unless noted, 11Mbps CCK modulation was employed.
Many of the signals are differential (i.e., balanced with
respect to ground). These are denoted by + (plus) and
- (minus) symbols following the signal name (e.g., RX I+ and
RX I-).
Test Points A- A1, and B-B1
Transmit I and Q:
NOTE: BPSK mode is used for the plots in this figure. Therefore, I
and Q are identical.
The I and Q are both differential signals and, as such,
consist of I+, I-, Q+, and Q- respectively. As these are
balanced signals, data is measured using a Tektronix P6247
Differential Probe. For example in the measurement of the I
signal, the probe is bridged between Test Points A (I+) and
A1 (I-).
Transmit In-phase and Quadrature (I+ and Q+) signals are
the spread baseband single-bit I and Q digital data that are
outputted at the programmed chip rate (N).
Test Points C and D
IF Transmit Signal:
The intermediate frequency (IF) transmit signal is a spread
spectrum signal centered at 374MHz with a 17MHz
bandwidth.
The SAW filter is used to shape the sidelobes.
Test point C is at the input of the SAW Filter whereas D is at
the output.
FIGURE 4. TRANSMIT I AND Q SIGNALS AT THE OUTPUT
OF THE HFA3861 (TEST POINTS A-A1 AND B-B1)
FIGURE 5. IF TRANSMIT SIGNAL BEFORE SAW FILTER
(TEST POINT C)
FIGURE 6. IF TRANSMIT SIGNAL AFTER THE SAW FILTER
(TEST POINT D)
Application Note 9864
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| HWB3163-EVAL | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:PRISM II⑩ 11Mbps Wireless Local Area Network PC Card |
| HWB-AF | 功能描述:熔絲座 BUSS FUSEHOLDER RoHS:否 制造商:Littelfuse 產(chǎn)品: 電流額定值:30 A 電壓額定值:1000 VDC 極數(shù):1 系列: 安裝風(fēng)格:DIN Rail 端接類型: 軸類型: 工作溫度范圍: |
| HWBASEA | 制造商:HellermannTyton 功能描述:BASE HW CLIPS PK50 制造商:HellermannTyton 功能描述:BASE, HW CLIPS, PK50 制造商:HELLERMANN TYTON 功能描述:BASE, HW CLIPS, PK50; External Length:38mm; External Width:38mm; Clip Material:Nylon 6.6 (Polyamide 6.6); Clip Colour:Black; SVHC:No SVHC (19-Dec-2012); Accessory Type:Mount Clip; Colour:Black; External Length / Height:38mm; Fixing ;RoHS Compliant: Yes |
| HWBB1 | 制造商:ROEBUCK 功能描述:BOTTLE BRUSH 1/4 PINT |
| HWBB2 | 制造商:ROEBUCK 功能描述:BOTTLE BRUSH 1/2 PINT |
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