مرشح قابل للضبط منخفض الطاقة على مرحلتين من سلسلة J

Parameter Name

Unit

Characteristic

Frequency Range

MHz

90～400

90～400

Internal Band Division

MHz

108 ～ 174 ；225 ～400

108 ～ 174 ；225 ～400

3 dB Bandwidth

MHz

≥6 .2

≤10%

Insertion Loss

dB

≤6

≤3 .0

Selectivity

dBc

Fo±20M≥16 .8

Fo±10%≥ 12

Far-End Rejection

dBc

2F0： 108～300MHz≥63 300～400 MHz≥59

30MHz≥43

2 Fo≥60

30MHz ≥50

P1dB

dBm

≤30

≤30

Matching Impedance

Ω

50

50

VSWR

≤ 1 .5

≤ 1 .5

Shape Factor

BW30dB/BW3dB ≤7 .2

BW30dB/BW3dB ≤7 .2

Hopping Speed

μs

≤ 10

≤ 10

Power Supply Characteristics

V/mA

Vcc/+5V≤120 ；Vbb/+100V≤3

Vcc/+3 .3V≤120 ；Vbb/+100V≤3

Temperature Drift Coefficient

ppm/℃

≤80

≤80

Operating Temperature

℃

-55～ +85

-55～ +85

Storage Temperature

℃

-65～ +105

-65～ +105

Dimensions

mm

56×37×10  (±0 .2）

56×37×10  (±0 .2）

Reference Model

SDB1040J-6

SDB1040J-3-K

Pin

Function

Pin

Function

1

RF/IO

10

A2

2

GND

11

A1

3

GND

12

A0

4

A8

13

Vcc

5

A7

14

Vbb

6

A6

15-25

GND

7

A5

26

RF/IO

8

A4

9

A3