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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

5 }3 R* [- X' V% C客户要求如下,如果哪家工厂可以做,请和我联系
& q9 ~- V# G7 M$ t* Y, a/ T3 }> The application that we have in mind is similar to others that we commonly
# l0 f- Z# W/ A2 u( ~* A. g > have. If we were to pay for FCC approval, we would want to use the modem
3 R: G: q- K' S3 b8 T4 f# B% Y& r+ Z> units in all similar applications under the same approval number.
& p. S/ [# _4 e5 A- Z% A. f > Therefore, we would like to be able to configure the units to a specific
5 j" v& s2 }8 l1 H > application. For the business that we do, this approach will yield more
) B/ [( T! E5 m- F9 N > sales based on the same product and approval. We are interested in the
' G' F$ B$ x. [. c* B> following specifications:
9 ?* O) @: z0 _. x& `" ` ]>
% r! o% x w c9 h! \5 |) W > - 2 inputs at the Transmitter with three possibilities;
$ x5 A- D1 i6 G/ q! O7 Z' h > 2 analog
`3 x/ D% c/ a; k- r ]6 s& @> 2 digital
: d; ]( S7 e p D( h, ~& c# V% g& r( ] > 1 analog and 1 digital
$ u: K' a \' J>
, f6 v( i2 {, x1 |: b* Z% ~ > - 2 outputs at the Receiver with three possibilities to match inputs
! c5 C8 L& C+ J* f. d( i& q, j& _# g >
. u/ g, S; Q3 m' j# b > - Ability to configure/define analog Transmitter input ranges through
. P% }4 H+ o$ x> simple programming method to correspond with full-range analog Receiver
8 Y- x5 x7 Z8 F# m1 S: Q8 Q+ }> outputs (0 - full voltage).
8 I% |9 _# o \3 N>
! w$ z. \/ T0 u- d# x' ] > - Ability to configure and set sample rates for the inputs.
4 g! t# i; D/ M. R4 z$ q* W, e >
5 E! T9 }7 z) ^+ u' C ?8 }% G. ]; q' n> - Digital output on Transmitter that turns on during the sampling period.
{; w5 y! U7 L5 ~# v >
" b, x" |, O+ X3 h* b; e> - Ability to configure a power saving Sleep Mode in the Transmitter by
+ U* x' t% p6 ?* g1 U > both software control and input hardware control.
0 v1 f ]) G6 {2 [! J>
7 J; \2 w" P/ ^! W. Y> In order to configure the units, we would need a way to make the
. ~& f8 N, D8 Q' z( X> settings. This would preferably be from a computer terminal so that
# e( A3 i3 u6 o- C% l; A > configurations can be saved or easily duplicated for production volumes.
" Y' P/ ?: y' K2 o! Z > The units should be small and compact with shielding, and able to mount
/ j) h" b6 x. B2 l0 m> to a printed circuit board with header connector.
7 j& @; g' z' r: K >
, u( c$ v0 k D+ T> At this time, we are interested in samples of a pair of modems that
2 p! Y6 p4 x7 Y! k6 w; |> might be similar to this proposed system. We do not expect that you
$ g6 K$ K+ ]/ @% v8 b > provide all of these specifications at this time. I can describe our
4 d4 K# m+ ?: t7 V3 g/ R c8 ?; o> immediate application needs in the next email if this project is of
* I I7 D) F( b( J4 X > interest to you. Perhaps you can make the samples by those
+ k6 g( ~3 p5 L# a5 ~0 M3 j > specifications. This will allow us to test your radios before we move
5 G- C+ J' ^. Y' b> forward. We are interested in your 900MHz radio to start.
9 l. H& g; t' k* A: ?6 T9 Y$ }! t
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