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[寻求合作]音频传输模块,做出口

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安防幼儿园学生

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发表于 2007-5-27 20:29:37 | 显示全部楼层 |阅读模式

3 u+ q0 q. f) i2 b8 Q! b5 c 客户要求如下,如果哪家工厂可以做,请和我联系
2 o0 t7 }' R5 p( E1 r* j > The application that we have in mind is similar to others that we commonly
+ m8 ~% d) Q" p2 d7 H" s7 n> have. If we were to pay for FCC approval, we would want to use the modem
/ I8 [, Q3 x" p/ m z. U8 y> units in all similar applications under the same approval number.
4 i: I+ `9 n: j/ e$ M! E: Z, }) e > Therefore, we would like to be able to configure the units to a specific
+ [( t) f8 z0 T. R1 W& W> application. For the business that we do, this approach will yield more
, D, A5 v0 X' S6 P$ u' \ > sales based on the same product and approval. We are interested in the
; T( W1 W" u- f> following specifications:
+ o& Y& R% @. x6 g>
$ T( b; a& k$ M" W4 v> - 2 inputs at the Transmitter with three possibilities;
5 v( d. K, u \" _ > 2 analog
- w8 b5 b1 l1 O, Z3 L, i7 P) I> 2 digital
* A" Y( ?0 g. [0 M; O' Q$ ?> 1 analog and 1 digital
: e$ T$ ]! o! U0 { >
' H6 x' A3 @6 D > - 2 outputs at the Receiver with three possibilities to match inputs
0 @( l) l0 |4 |* M) ^ >
+ V4 G2 L$ U3 [ > - Ability to configure/define analog Transmitter input ranges through
' d1 U6 U# p; W: C* } > simple programming method to correspond with full-range analog Receiver
9 f! a* k i7 W2 S4 ?5 B9 N > outputs (0 - full voltage).
5 X3 v+ i. t$ A! K, R >
& M5 | j8 G, w > - Ability to configure and set sample rates for the inputs.
5 _6 J8 ^7 H2 S% d" {0 k( ?4 S) g>
6 n- @& v' @/ H& |9 \ > - Digital output on Transmitter that turns on during the sampling period.
0 I8 ^- D* M U>
1 Q1 f( }, A3 N( Z7 M! @> - Ability to configure a power saving Sleep Mode in the Transmitter by
* W/ J/ [8 @$ o/ J> both software control and input hardware control.
/ r' D6 C; y! S- c* u# t. `# t>
& \) h% m) l& B9 g* A) w > In order to configure the units, we would need a way to make the
) i/ H) T: B; S X > settings. This would preferably be from a computer terminal so that
6 X. o. r% B& A$ d g> configurations can be saved or easily duplicated for production volumes.
# f7 x6 C! @0 _> The units should be small and compact with shielding, and able to mount
" [4 }" d- |$ I5 } l8 w" q1 L# o > to a printed circuit board with header connector.
: p: f8 y% y% l7 _>
% `6 g" M0 j5 A: L; n' k > At this time, we are interested in samples of a pair of modems that
/ A4 Y" j( y' j6 E k > might be similar to this proposed system. We do not expect that you
/ I# M/ K4 [% ]8 y > provide all of these specifications at this time. I can describe our
! a" P" I' U3 t. _: E' s9 t > immediate application needs in the next email if this project is of
7 |2 w3 w4 S' q% V" J > interest to you. Perhaps you can make the samples by those
9 U9 m. @( e+ G > specifications. This will allow us to test your radios before we move
6 B$ ?5 p/ m9 u+ F> forward. We are interested in your 900MHz radio to start.
% C3 ~1 Y B& _6 V' O! U
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