参数资料
型号: 2658A
厂商: B&K Precision
文件页数: 31/89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

9. Reference Level <REFER>
When
REFER
is pushed, the following function menu is displayed.
UNIT
dBm
F1
RL STEP
1dB
F2
OFS STEP
1dB
F3
OFFSET
OFF
F4
OFSdB
0.0
F5
IMP
50 ?
F6
9.1 Setting of Reference Level
By rotating
, the reference level is changed.
(Refer to “9.7 Reference Level Setting Range for Each Unit” for details.)
9.2 Change of Unit of Amplitude Axis
When
F1
is pushed, the unit is set as follows.
dBm
dBμV
dBmV
dBV
9.3 Setting of Step Size of Reference Level
By pushing
F2
, the step size is changed to 10 dB or 1 dB.
9.4 On-Off Setting of Offset
By pushing
F4
, the offer set ON/OFF is changed.
9.5 Setting of Offset Level
1. By operating
F5
, the offset of reference level is set.
When external amplifier or attenuator is used, the display level can be matched by the offset.
The setting range is - 50.0 to 50.0 dB.
The reference level is displayed including the offset.
* If the offset is set, “OFST” is displayed in Amplitude axis setting values display area.
Furthermore, the level at the marker point is displayed including the offset.
25
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