参数资料
型号: 2650
厂商: B&K Precision
文件页数: 32/75页
文件大小: 0K
描述: SPECTRUM ANALYZER 3.3GHZ HANDHLD
标准包装: 1
系列: 2650
类型: 工作台/手持型
频率范围: 50kHz ~ 3.3GHz
放大(级别)范围: -60 ~ +10dBm
特点: 自动微调,RS232 端口,保存/载入
包括: 电池,电源,袋
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
其它名称: BK2650
9.1 Setting the Reference level
1. When
is turned, the reference level changes.
(Refer to “9.3 Reference level setting range for each unit” for details.)
9.2 Switching units of amplitude axis (dBμV/m and dBμA/m are optional. Refer to “19.4 Electric field
strength measurement” and “19.5 Magnetic field strength measurement” for details.)
1. Press
Press
Press
Press
F1
F2
F3
F4
to switching units to dBm.
to switching units to dBμV
to switching units to dBmV
to switching units to dBV
9.3 Reference level setting range f or each unit
UNIT
MAXIMUM
MINIMUM
MINIMUM
(shifted trace data)
dBm
10
-40
-60
dBμV
117
67
47
dBmV
57
7
-13
dBV
-3
-53
-33
“Unit that is able to use it with the measuring function”
dBμA/m
UNIT
Setting
dBμV/m (Electric filed strength measurement)
AN301 AN302 AN303 AN304 AN305 AN306
(Magnetic field
strength measurement)
PR 26M
MAXIMUM
MINIMUM
MINIMUM
(shifted trace data)
143
93
73
146
96
76
148
98
78
150
100
80
137
87
67
159
109
89
160 to 203
110 to 153
90 to 133
* When the reference level is set between the “MINIMUN” and “MINIMUN (shifted trace data)”,
the trace in “MINIMUM” is shifted and displayed on a screen. When the reference level is set below to
the “MINIMUM”, the ATT display area is displayed as “S/W AMP”.
Calculation expression (conversion formula to and from dBm)
· A [dBμV] = 107+X [dBm]
· B [dBmV] = 47+X [dBm]
· C [dBV] = -13+X [dBm]
· D [dBμV/m] = 68.8/ λ × √ (X/Gar) [dBm]
λ : Wavelength[m]
Gar: Antenna absolute gain [times]
· E [dBμA/m] = 180+X+F [dBm]
F: probe calibration coefficient * changes by frequency
– 26 –
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