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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

2 q6 n* \* D5 e: {. E6 C客户要求如下,如果哪家工厂可以做,请和我联系
5 M- t+ t! f8 N% E$ d8 E6 `& a! @ > The application that we have in mind is similar to others that we commonly
* [- R- ~" B. w. G/ K > have. If we were to pay for FCC approval, we would want to use the modem
& l+ O1 }+ i- B, H+ _/ S > units in all similar applications under the same approval number.
# v: n2 U0 F* H( Q1 {; m> Therefore, we would like to be able to configure the units to a specific
5 ~+ A9 @7 k& w* K ?> application. For the business that we do, this approach will yield more
5 u/ I, n1 y8 f0 O) [- L3 _/ N0 f3 F > sales based on the same product and approval. We are interested in the
/ i% h" u. A2 {$ [3 W: x > following specifications:
2 G: c# p$ _* U' H' u: C% L# i>
+ {: { z* X* I> - 2 inputs at the Transmitter with three possibilities;
' Q* \! U& t* j& D7 n+ c$ { > 2 analog
# r* [% a/ r$ [: V> 2 digital
: G) N1 H9 w% G) |; [; o7 {7 M5 C > 1 analog and 1 digital
. `* O) ~) y7 j' m! R>
n3 u- b! m1 B2 P- E > - 2 outputs at the Receiver with three possibilities to match inputs
/ e. P; r4 y% H3 m* [: M: T* d>
5 a* U8 E) D* V% F/ ]3 {/ b' u4 J> - Ability to configure/define analog Transmitter input ranges through
" [& k+ o/ i3 i > simple programming method to correspond with full-range analog Receiver
) \; Y9 }( e( y! [9 v > outputs (0 - full voltage).
8 ?+ t+ s8 Y6 l; V >
) v; s! I0 t; h% Y# f# s/ g> - Ability to configure and set sample rates for the inputs.
9 \( ^ j/ o/ [( k% o, b7 h>
# b* k- D: z3 K' D8 N > - Digital output on Transmitter that turns on during the sampling period.
2 w- n2 d0 V Q$ E* K6 C- R >
5 y5 a3 }# s) f9 s. B( F$ [& U > - Ability to configure a power saving Sleep Mode in the Transmitter by
+ n( ~0 B/ S1 g* O6 F: z* Y> both software control and input hardware control.
9 D0 V* y% t7 I* k>
! m* C0 ?# @" y) S > In order to configure the units, we would need a way to make the
. |: L6 C* o5 A, x> settings. This would preferably be from a computer terminal so that
$ N, d) ~, @' W* S) Z* \ > configurations can be saved or easily duplicated for production volumes.
! t$ ^+ Z7 v; N; i7 `9 v8 L0 c > The units should be small and compact with shielding, and able to mount
' l* o4 B j4 n > to a printed circuit board with header connector.
* ^8 E% j5 E. P; I >
9 X2 `* a0 W' T$ V- X4 q> At this time, we are interested in samples of a pair of modems that
' q" I! ^* _5 j! r8 H" X> might be similar to this proposed system. We do not expect that you
' U8 _* S/ o$ Z* p8 o# D > provide all of these specifications at this time. I can describe our
; W+ q/ J0 l# n( v$ ~; l> immediate application needs in the next email if this project is of
4 X/ j" H$ d5 N. I+ d > interest to you. Perhaps you can make the samples by those
5 l l, O1 |8 P+ i& @) E% y > specifications. This will allow us to test your radios before we move
, _6 I; w. D5 N- |9 g& N, I" F > forward. We are interested in your 900MHz radio to start.
1 i+ \: v" ?: t; X- Z2 _2 ]5 g
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