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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

% q- A8 C4 S2 F3 D" T 客户要求如下,如果哪家工厂可以做,请和我联系
5 x' Q9 G* I& U& S > The application that we have in mind is similar to others that we commonly
. x% M4 g* h" q9 q > have. If we were to pay for FCC approval, we would want to use the modem
& G2 H6 L% e" r% r8 ~" q) V) S> units in all similar applications under the same approval number.
3 l% u* x4 k4 Y > Therefore, we would like to be able to configure the units to a specific
0 |6 ^2 w+ G! b, [2 L" F> application. For the business that we do, this approach will yield more
" m% H9 D' d9 A6 G- E4 V. ~, [ > sales based on the same product and approval. We are interested in the
; [4 m! ^* P- s$ h> following specifications:
, }2 u! x, W0 s. g) O) b >
, _$ x8 o: o4 f/ { > - 2 inputs at the Transmitter with three possibilities;
6 Y; G3 z* e! t N. w > 2 analog
5 v3 M5 r& S0 u! S; [0 Q > 2 digital
x& I4 S- z, C! ~* t# e > 1 analog and 1 digital
1 `) a( R* ^9 f. F >
+ O0 |- a, n- k6 x/ x! r> - 2 outputs at the Receiver with three possibilities to match inputs
: s8 D+ [; T u& }* s>
7 X$ P' o% O' l* I/ ~> - Ability to configure/define analog Transmitter input ranges through
0 n$ g' J+ A: X" N! D( }7 L/ ?5 u > simple programming method to correspond with full-range analog Receiver
* c8 t/ e/ Z- a7 E6 U > outputs (0 - full voltage).
! A& ` t# S1 n [* Y2 t: F>
& ` y% h, s+ ^3 r K# ^8 {> - Ability to configure and set sample rates for the inputs.
0 q" F/ b n# c( ? >
) r* g9 Q- o" o4 H9 n > - Digital output on Transmitter that turns on during the sampling period.
& O8 F4 n8 d. E5 t >
! z+ G) S/ g2 @; T1 x( s > - Ability to configure a power saving Sleep Mode in the Transmitter by
3 r3 y2 I: A+ q8 ~0 W> both software control and input hardware control.
: m3 x; f$ z" v7 G# d >
( p2 C7 L4 k2 P J3 V/ D > In order to configure the units, we would need a way to make the
6 k; E+ N/ t" q, x> settings. This would preferably be from a computer terminal so that
& s" s+ M0 L) I1 y> configurations can be saved or easily duplicated for production volumes.
- O; R7 Y# {$ P; t* U/ o > The units should be small and compact with shielding, and able to mount
. Q* C1 B/ j: S7 R" Q: [0 i8 W> to a printed circuit board with header connector.
0 _6 `# T% e- E. e$ ]2 u6 Q>
) D3 L; U$ b3 U0 b$ z- \ > At this time, we are interested in samples of a pair of modems that
% C3 R, @* c( ?0 g1 Y! X > might be similar to this proposed system. We do not expect that you
" S+ ]5 C3 u5 [$ ]0 b% }> provide all of these specifications at this time. I can describe our
# K1 T c5 {# f$ \ > immediate application needs in the next email if this project is of
9 ^7 n# R( z3 z/ Y( o' S- B> interest to you. Perhaps you can make the samples by those
1 @: N) i& X) j& z, Z+ W% `) N& K> specifications. This will allow us to test your radios before we move
/ N1 q6 e+ B; O% f" g: E > forward. We are interested in your 900MHz radio to start.
- K# w, n, {3 m
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