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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

B$ Z' t" l& D0 {# C# `3 ]3 P1 ` 客户要求如下,如果哪家工厂可以做,请和我联系
6 H) Q( \( {) {> The application that we have in mind is similar to others that we commonly
% f: D H" }: c! ~ > have. If we were to pay for FCC approval, we would want to use the modem
' w& I+ c: _) N( r> units in all similar applications under the same approval number.
0 z4 ~7 ?8 U( B0 E8 E3 r> Therefore, we would like to be able to configure the units to a specific
. U; M5 ~+ T: H5 k> application. For the business that we do, this approach will yield more
) s$ n' O4 x* x2 t > sales based on the same product and approval. We are interested in the
4 R( Q) o' J' t0 c3 f) s. T! I > following specifications:
5 l# e) [* |4 z$ t V9 Q& a0 ^ >
8 y' R, n" F- d) P* v > - 2 inputs at the Transmitter with three possibilities;
) B6 x" a( F: }; H: I' L > 2 analog
7 t' S! s: F' b% M" T& \* B# u" M; G> 2 digital
/ y( F9 | M7 [' l2 p- [/ U1 y } > 1 analog and 1 digital
2 L2 U. ?: X7 k5 O+ B. M>
# y6 n( S+ o+ X > - 2 outputs at the Receiver with three possibilities to match inputs
2 M1 P' c0 f6 [$ | >
1 K: j! ]& `: x$ q s9 s- A> - Ability to configure/define analog Transmitter input ranges through
5 |& a8 r! Y& I/ a> simple programming method to correspond with full-range analog Receiver
% x6 ?$ h+ w5 O B8 }- S% a3 G# l > outputs (0 - full voltage).
7 Z% C2 I6 G4 E% X>
6 X8 q+ s l" D: _0 [> - Ability to configure and set sample rates for the inputs.
b; ~/ p" N8 m2 i7 _# i1 o# f5 G& \ >
5 h$ v/ g& j1 b8 h; r% k> - Digital output on Transmitter that turns on during the sampling period.
% I, `' X" c0 ~3 W0 Q >
' y( p* A' e1 q" w4 ~; v5 ~3 y > - Ability to configure a power saving Sleep Mode in the Transmitter by
k: _9 j! y5 m; e% x: O > both software control and input hardware control.
* j" A# f+ F9 L V; f, p, K0 u>
' `8 W4 j3 U% ^ > In order to configure the units, we would need a way to make the
) \8 M% Z8 [! B L0 v5 S) j& f; P; b> settings. This would preferably be from a computer terminal so that
0 i6 K4 E; Q+ t& K6 \> configurations can be saved or easily duplicated for production volumes.
& J# r$ m5 X8 V2 ]. E > The units should be small and compact with shielding, and able to mount
2 r/ b( \. l8 \( c( f> to a printed circuit board with header connector.
4 ~* F' K8 z: o$ B>
3 f3 o; |* p( N W+ f3 {- z7 r > At this time, we are interested in samples of a pair of modems that
* S9 Z) ^, g( q1 @1 c1 c1 A; K > might be similar to this proposed system. We do not expect that you
( k6 d" q7 y; O6 T: j: u > provide all of these specifications at this time. I can describe our
0 K* k5 P" f4 A3 m7 }4 ~0 B> immediate application needs in the next email if this project is of
! l' ?! ~( M0 w. Q& D> interest to you. Perhaps you can make the samples by those
1 l$ P7 `) V M! _# T; p4 X( o: L > specifications. This will allow us to test your radios before we move
, h+ R) m' w$ w( A7 A> forward. We are interested in your 900MHz radio to start.
/ a' w. j5 B- I9 r3 Y: j
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