参数资料
型号: 2658A
厂商: B&K Precision
文件页数: 27/89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

7. Center Frequency <FREQ>
When
FREQ
is pushed, the following function menu is displayed.
CENTER FREQ
KeyStep
EncStep
SET
Ten Key
F1
F2
100M
F3
0.1M
F4
MKR
F5
Mode
F6
* Center frequency setting range: 0 to 3.3 GHz for 2650A/2652A/2651, 0 to 8.5 GHz for 2658A
* The center frequency may shift for a while (up to 10 sec.), after setting is changed.
7.1 Setting with step keys ( [F1], [F2] )
1. When
2. When
F1
F2
is pushed, the center frequency decreases in the set step size.
is pushed, the center frequency increases in the set step size.
3. Setting step size:
When
F3
is pushed, the step size is changed according to the following.
AUTO
100MHz
10MHz
1MHz
100kHz
20kHz
AUTO : The step size is 1/10 of the frequency span.
However, only for 500 kHz frequency span, the step size is set to 50 kHz.
If the frequency span is less than 500 kHz, the step size is set to 20 kHz.
AUTO is recommended for normal use.
7.2 Setting with encoder
1. By rotating
2. Setting step size:
, the center frequency is changed in the set step size.
When
F4
is pushed, the step size is changed according to the following.
AUTO
100MHz
10MHz
1MHz
100kHz
20kHz
AUTO : The step size is 1/500 of the frequency span
However, if the frequency span is less than 5 MHz, the step size is set to 20 kHz.
AUTO is recommended for normal use.
21
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