主要特點:
BT-3D型頻率特性測試儀采用晶體管、集成電路，具有功耗小、體積小、重量輕等特點。適用于（1-300MHz）范圍內各種類型放大器、CATV 器件、電視機通道、濾波器及有源和無源四端網絡的頻率特性測試的理想儀器。
The main characteristics:
BT-3D-frequency characteristics tester using transistors, integrated circuits, with a all power consumption, all size, light weight and so on. Apply (1-500MHz) within the framework of various tes of amplifiers, CATV devices, the TV channel, filter and four-terminal network of active and pive frequency characteristics of an ideal test equipment.
性能參數（Specifications）
|
型號(Model) |
BT-3D |
|
項目(Item) |
|
|
頻率范圍（Frequency range） |
1-300MHz |
|
掃頻方式(Sweep mode) |
全掃、窄掃、點頻(Full、Narrow、Point) |
|
頻率指示(Frequency show) |
-- |
|
掃頻寬度(Sweep width) |
全掃(Full)1-300MHz、窄掃（Narrow）±1-20MHz連續可調（arbitrary regulation） |
|
掃頻線性(Sweeping linear) |
|
|
輸出平坦度(Flatness output) |
≤±0.5dB |
|
輸出平坦度補償(Flatness output compensation) |
|
|
頻率標志(Frequeencymarker) |
1、10、50MHz
|
|
輸出電平(electrical level output) |
|
|
衰減器(Attenuator) |
10dB×7、1dB×9
|
|
相對諧波含量(Relative resonance wave content) |
|
|
RF輸出關斷比 (RF tumoff output) |
|
|
對數顯示方式(Logarithm display mode) |
|
|
電平參考線(electricallevel reference line) |
|
|
功耗(Power) |
≤50W |
|
體積(Size) |
380mm(W)200mm(H)360mm(D) |
|
重量(Weight) |
8Kg |
