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高频头DVB-S 9XS11M-20

信息编号:2653691 浏览:131次
供应商
深圳市中龙通电子科技有限公司 商铺
认证
报价
人民币¥50.00元每PCS
加工定制
品牌
cdt
型号
cdt-9xs11m-20
所在地
深圳市宝安区沙井街道南埔路蚝三林坡坑第一工业区B4栋
联系电话
86 0755 81449957
手机号
13902928163
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产品详细介绍

description: this specification covers l-band to i and tuner intended for use in digital modulated satellite receiver.

general specifications

receiving frequency range

900mhz to 2250mhz

input signal level per channel

-85dbm to 5dbm

nominal rf input impedance

75ω (f-connector)

local frequency range

900mhz to 2250mhz

channel selection system

pll synthesize

local step frequency

1mhz

agc input voltage

0 v to 3.3v

0 v : max. gain

3.3v : min. gain

i/ lpf cut off frequency (-3db)

4mhz to 40mhz, variable (2mhz step)

nominal i/ level

0.6vp-p at 1kohm load impedance

nominal i/ impedance

50ω

operating voltage

vcc:3.3v±0.165v dc

agc:0~3.3v dc

absolute maximum rating voltage*

lnb:25v dc 400ma max.

vcc:-0.3~4.0v dc

agc:-0.3~b2+0.3v dc

sda, scl:-0.3~b2+0.3v dc

connection diagram

figure 4

note*) breakdown voltage of each terminal is provided for in the state of nominal voltage.

attention item: this unit contains components that can be damaged by electro-static discharge. before handling this unit, ground your hands, tools, working desks and e to protect the unit from electronic static destroy.

mechanical   specifications

dimension and mounting details           figure 5 and figure 6

 

f-connector strength: chassis must not be deformed at 0.98n*m of the bending moment and must be connected electrically.

 

f-connector clamping torque: chassis must not be deformed when the nut is built at 0.98n*m of the clamping torque and must be connected electrically.

environmental specifications

( electrical functional operation guarantee)

operating

temperature

-10℃to +60℃

humidity

less than 85%

no condensation

storage

temperature

-25℃to +85℃

humidity

less than 95%

water vapor pressure 6643pa max

no condensation

[ a point to notice] please be careful that sudden temperature changes may cause condensation during storage, and such condensation may cause corrosion.

test condition:

supply voltage

vcc:3.3v ±0.1v dc

ambient temperature

25℃±5℃

ambient humidity

65%±5%

i/ level

0.6vp-p (at 1kohm load )

electical specifications           

item

specification

condition

min.

typ.

max.

uint

noise figure

 

5

6

db

at agc voltage=0.1v

rf input vswr

 

2

2.5

 

900mhz to 2250mhz

gain deviation

 

7

10

db

900mhz to 2250mhz

agc control range

65

80

 

db

agc voltage: 0 to 3.3v

3rd order inter modulation (2 tone)

 

40

60

 

db

input level is -25dbm

desired signal fo

undesired signal:

( fo+38.36mhz,fo+76.72mhz)

or

(fo+38.36mhz,fo+76.72mhz)

lpf_fc=22mhz

i/q phase balance

-

0.3

0.5

deg.

 

i/q gain balance

-

0.2

0.5

db

 

pass band flatness of bb lpf

 

5

7

db

input freq=900 to 2250 mhz

local oscillator signalleak at rf input terminal

 

-68

-63

dbm

900mhz to 2250mhz

phase noise

1khz offset

 

-85

-75

dbc/hz

measured at i/q out

10khz offset

 

-100

-95

dbc/hz

100khz offset

 

-100

-105

dbc/hz

pll lock up time

 

10

50

ms

within vt ±5% vt is tuning voltage

1st oscillator frequency error

-875

 

875

khz

-10℃to 60℃

current consumption

b2 3.3v

 

100

145

ma

 

b4 3.3v

20

45

ma

agc

 

±0.1

±1

ma

clock out level

1.5

2.7

 

vpp

-10℃to 60℃(*1) measured by fet probe

rf output vswr

2.0

2.5

900mhz to 2250mhz measured

at rf out

rf output gain

-5

0

5

db

clock out frequency error

-80

0

80

ppm

-10℃to 60℃

pin list

pin name

pin no.

pin description

lnbb

1

voltage supply of lnb b. please ground

it with a 1000pf ceramic capacitor

lnba

2

voltage supply of lnb a. please ground

it with a 1000pf ceramic capacitor

vcc

3

3.3v supply for tuner.

please keep a ripple at power supply

vcc

4

3.3v supply for tuner.

please keep a ripple at power supply

q out

5

base band output of tuner

i out

6

agc

7

agc voltage input

sda

8

i²c-bus for pll ic.

bus clock speed is 400khz maximum

scl

9

clock out

10

27mhz output

"供应高频头DVB-S 9XS11M-20"的是否提供加工定制为是,品牌是CDT,型号为CDT-9XS11M-20,种类是调谐器

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