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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

, f p: V5 ~. u; i% l$ Q 客户要求如下,如果哪家工厂可以做,请和我联系
: d) h$ X9 o0 T) L, p1 T1 ~: k > The application that we have in mind is similar to others that we commonly
$ R# `& ^: G1 |; _7 X9 H4 U > have. If we were to pay for FCC approval, we would want to use the modem
( {; }2 b. v; Q3 u% N% L5 R > units in all similar applications under the same approval number.
! q$ ~ c3 c$ m% L. E ]& }/ X > Therefore, we would like to be able to configure the units to a specific
. w- M- ~9 Y/ }7 u: V > application. For the business that we do, this approach will yield more
, G! R% s4 G, N9 M( i> sales based on the same product and approval. We are interested in the
1 ~" O6 K3 g7 E4 n8 z8 U! Y, |4 G> following specifications:
0 C/ y% ~( [# W% ?>
: M4 \) d" l% h; }) M > - 2 inputs at the Transmitter with three possibilities;
# g2 N- u" k0 E3 F> 2 analog
, A8 g' V2 v5 v& t$ R > 2 digital
0 C$ I. g! h: X, g- a( | > 1 analog and 1 digital
9 R' D8 k R' | >
5 ^4 E1 w) @: O, H5 R$ H > - 2 outputs at the Receiver with three possibilities to match inputs
7 E/ m0 g* h) e4 I2 y, H8 j; k* G7 L>
W& s( ?; j5 Y- f2 q> - Ability to configure/define analog Transmitter input ranges through
) \7 S7 e2 D' o" U& _. _1 Z> simple programming method to correspond with full-range analog Receiver
- c: P) \% Y! j$ n; Z> outputs (0 - full voltage).
! Y' A9 c) x! F* E >
) l: |! d4 d3 H0 c1 G$ R _& d> - Ability to configure and set sample rates for the inputs.
1 J9 A% k6 @9 _! T' k4 z>
% P7 s% h: ^. D* a1 m> - Digital output on Transmitter that turns on during the sampling period.
3 a/ I8 D1 _( \! F# {6 x! V >
1 R# `1 n6 Q4 F > - Ability to configure a power saving Sleep Mode in the Transmitter by
, g- g# V! |* T, Z- b! b0 G& [ > both software control and input hardware control.
( S- z/ l1 D0 v$ K+ s# h6 \>
4 ]' c* _2 M" P3 W4 @) T > In order to configure the units, we would need a way to make the
+ U* ^2 V$ s; F3 y) o0 m1 J > settings. This would preferably be from a computer terminal so that
2 c1 U% ~3 K: A6 Q > configurations can be saved or easily duplicated for production volumes.
* l1 q* ~' p4 Z" G, l: M- d> The units should be small and compact with shielding, and able to mount
9 }: Q# T4 h/ N `8 C3 D) H > to a printed circuit board with header connector.
6 f7 @1 y3 ~+ s! w>
0 b6 c0 y, q1 _( K1 m$ m> At this time, we are interested in samples of a pair of modems that
" p1 o' ^% }! n& o4 p- Z1 t0 S > might be similar to this proposed system. We do not expect that you
- E3 y* P3 W6 \> provide all of these specifications at this time. I can describe our
3 \) K& x0 t& r. _ > immediate application needs in the next email if this project is of
7 P& `/ a# o \ > interest to you. Perhaps you can make the samples by those
) J) d; M$ N5 @( L0 a3 C# s; o7 R > specifications. This will allow us to test your radios before we move
1 @9 l" Y3 r+ `> forward. We are interested in your 900MHz radio to start.
- G+ p; h2 t" L& z6 O. R
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