高频头DVB-S 9XS11M-20
编号：2653691 浏览：162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
- 是
- 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
- 13902928163
- 让卖家联系我
产品详细介绍
description: this specification covers l-band to i and q base-band 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/q output lpf cut off frequency (-3db) |
4mhz to 40mhz, variable (2mhz step) |
|
nominal i/q output level |
0.6vp-p at 1kohm load impedance |
|
nominal i/q output 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 equipment 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/q output 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 |
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