项目     Item

规格   Specification

标称中心频率(fn)                (kHz)

NominalCenterFrequency  (fn)

3.8

3dB带宽                   （kHz）min

3dB Bandwidth

fn&plu*n;70

20dB带宽                  （kHz）max

20dB Bandwidth

800

*损耗                  （dB）max

Insertion Loss

6.0

通带波动                   （dB）max

Ripple

1.2

阻带衰耗                  （dB）min

Spurious Attenuation

fa=4.3MHz

25 (0~fn)

15     (fn~fa)

25(fa~10MHz)

耐电压D.C                          (V)

Withstanding Voltage D.C

50(1 minute)

*缘电阻                     (MW) min

Isolation resistance

100

输入/输出阻*     （Ω）

Input/Output Impedance

1000

工作温度范围

Operating Temp Range

-20 ~ 80℃

储存温度

Storage Temp

-30 ~ 80℃