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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

) w* g+ R9 k! j4 _5 ]$ s+ T+ v客户要求如下,如果哪家工厂可以做,请和我联系
0 U- X# E5 W; d8 t8 M5 Z' V> The application that we have in mind is similar to others that we commonly
& i0 n v3 H9 Y8 f$ x2 I > have. If we were to pay for FCC approval, we would want to use the modem
. ^1 j) f1 l5 D8 n' z* O4 O > units in all similar applications under the same approval number.
4 t( j7 U2 k- z3 f> Therefore, we would like to be able to configure the units to a specific
5 \6 S9 Q; y1 C" ?8 }5 q( k% w5 \) H > application. For the business that we do, this approach will yield more
6 W( s. q) K5 l( h4 @( A > sales based on the same product and approval. We are interested in the
: Y1 E/ g0 ]( q, G > following specifications:
9 {8 G$ b `( n. U6 ^$ ? >
7 x" n/ p( v+ U( U > - 2 inputs at the Transmitter with three possibilities;
, ^/ V: M( X" U > 2 analog
O6 d. m/ S" p% U> 2 digital
4 M: x% R* h9 X7 Q0 t# N8 P> 1 analog and 1 digital
% s4 R* y, M5 {1 K3 ]& w. k- X>
& Q. Z6 Z. I4 ^( ?9 a. l" Y > - 2 outputs at the Receiver with three possibilities to match inputs
+ b0 d) d# _2 t>
3 l( @" R. @& Q) J/ V# V+ B* [> - Ability to configure/define analog Transmitter input ranges through
' d6 E) H: y0 G6 `- o* c> simple programming method to correspond with full-range analog Receiver
$ c4 D- ?, F& X8 X, ^. J> outputs (0 - full voltage).
2 t0 l. m+ D* Q4 m0 G Z8 I>
. V* R+ r- c" P# p/ h > - Ability to configure and set sample rates for the inputs.
( Q {7 u& U& ? G$ `. X6 n>
; ?6 _; [0 }) e* d$ V; ~> - Digital output on Transmitter that turns on during the sampling period.
. X; a2 @6 X |( X7 t >
3 w$ f; O% ~' w9 g > - Ability to configure a power saving Sleep Mode in the Transmitter by
+ R. z6 E1 s K > both software control and input hardware control.
' g4 B6 w; n1 W# a# H _3 r >
9 j; C- x$ W7 w > In order to configure the units, we would need a way to make the
6 X k# T* f2 `* w) U. C: D> settings. This would preferably be from a computer terminal so that
5 b3 d9 J" U7 f# i- m" Q4 C > configurations can be saved or easily duplicated for production volumes.
/ M! v4 M" o" r, m* r4 B! a" F> The units should be small and compact with shielding, and able to mount
4 g' q! l$ Z/ W& v6 l: L) a> to a printed circuit board with header connector.
$ k& \: [! w! A! Q, s1 C2 a+ k >
7 F2 T( P: i/ c' i. w% W) Y> At this time, we are interested in samples of a pair of modems that
- \; _- o% D' l> might be similar to this proposed system. We do not expect that you
/ m5 T5 Q" _1 X > provide all of these specifications at this time. I can describe our
6 q0 u/ r2 i5 n+ X4 ` > immediate application needs in the next email if this project is of
# o4 h5 H R+ s$ |# D> interest to you. Perhaps you can make the samples by those
( @+ r* P* K6 ?3 W4 ~0 e. a; d > specifications. This will allow us to test your radios before we move
0 q* \( ~) C( ]> forward. We are interested in your 900MHz radio to start.
: z3 P5 O' J! u9 a* e" j
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