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参数资料
| 型号： | 2658A |
| 厂商： | B&K Precision |
| 文件页数： | 58/89页 |
| 文件大小： | 0K |
| 描述： | SPECT ANALYZER HANDHELD 8.5GHZ |
| 标准包装： | 1 |
| 系列： | 2658 |
| 类型： | 工作台/手持型 |
| 频率范围： | 50kHz ~ 8.5GHz |
| 放大（级别）范围： | -60 ~ +10dBm |
| 特点： | 自动微调，保存/载入，USB 端口 |
| 包括： | AC 适配器，电池，线缆，外壳，软件 |
| 相关产品： | MB400-ND - BATTERY FOR 2650A/2652A/2658A MA400-ND - ADAPTER 120V 60HZ AC FOR 2650A LC2650A-ND - CARRY CASE FOR 2650A/2652A/2658A M406-ND - ANTENNA DIPOLE 4.7 TO 6.2 GHZ M405-ND - ANTENNA DIPOLE 300 TO 500 MHZ M404-ND - ANTENNA DIPOLE 2.25 TO 2.65 GHZ M403-ND - ANTENNA DIPOLE 1.7 TO 2.2 GHZ M402-ND - ANTENNA DIPOLE 1.25 TO 1.65 GHZ M401-ND - ANTENNA DIPOLE 0.8 TO 1.0 GHZ |
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20.2 EMI Test
The QP detection is usually used in both of the radiated and conducted emission measurements, and the AV
detection is usually used in the conducted emission measurement. The measurement time can be shortened by
using them in the final measurement to the spectrums narrowed by the PK detection.
Conducted Emission Measurement
The conducted emission discharged through the power supply line is measured.
In this measurement, LISN* (Line Impedance Stabilization Network) device is needed.
The connection is shown in the figure below. Please refer to the manual of LISN for details of the
connection and notes.
Power Supply
LISN *
EUT
2651
1. Turn on the power of the 2651 after the connection.
2. Set the initial parameters of conducted emission measurement by pushing
SAVE/LOAD
F6
F2
. The setting parameters are as follows.
Center Frequency
Frequency span
RBW
VBW
Sweep time
Detection mode
: 25.5 MHz
: 50 MHz
: 9 kHz
: 1 MHz
: 3 sec
: Positive peak mode
3. Confirm whether the connection and the operation are correct by supplying the power to the EUT and
measuring.
4. Set the number of times of the sweep in the MAX HOLD mode by operating
CALC
F2
.
5. Search the frequency of disturbance noise that exceeds the AV or QP limits by using the marker
function.
6. Set the center frequency to the point that exceeds the limits, the SPAN to 2 MHz and the SWEEP to
0.1 sec. And measure the frequency accurately.
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PDF描述 |
|---|---|
| 2658 | SPECT ANALYZER HANDHELD 8.5GHZ |
| 265 | DIGITAL CLAMP W/CAPACITANCE/FREQ |
| 2707437 | CONN DIN RAIL FOR TRANS 5POS |
| 2708203 | ANALOG MODEM 3-WAY 24V DIN |
| 270 | CLAMP-ON TESTER W/DMM |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 2658C | 制造商:未知厂家 制造商全称:未知厂家 功能描述: |
| 2659 | 制造商:PRO POWER (FORMERLY FROM VOLTREX) 功能描述:CARD EDGE CONNECTOR; Accessory Type:Card Guide; For Use With:-; Guide Width:6.4mm; Guide Length:63.5mm; Connector Type:Card Edge ;RoHS Compliant: Yes |
| 2659/19 | 制造商:DURABLE OFFICE PRODUCTS 功能描述:POCKETS A4 PUNCHED 100PK 制造商:DURABLE OFFICE PRODUCTS 功能描述:POCKETS, A4, PUNCHED, 100PK |
| 26590 | 功能描述:螺丝刀、螺母起子和套筒扳手 NUTDRIVER 8PC SET-mm RoHS:否 制造商:Wiha 产品: 类型:Wiha Magic Ring Ball End Hex Keys 大小: |
| 265908-000 | 制造商:TE Connectivity 功能描述:81044/9-14-0 - Cable Rools/Shrink Tubing |
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