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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

0 B; {) V3 z$ }! h. ], @3 Y# j客户要求如下,如果哪家工厂可以做,请和我联系
% W/ N) \6 F( w( a> The application that we have in mind is similar to others that we commonly
/ {# J; R' l0 T) U8 ] > have. If we were to pay for FCC approval, we would want to use the modem
- |' M* T% y+ l' F/ \ > units in all similar applications under the same approval number.
. C% S* }+ `5 O& v) M > Therefore, we would like to be able to configure the units to a specific
7 W' i& f) ~9 Q b* M5 j* M > application. For the business that we do, this approach will yield more
+ o' k" j5 }: Z) P" o$ X1 ?: @4 ]> sales based on the same product and approval. We are interested in the
" ~* i. Q% Z6 R+ C% ~> following specifications:
y$ v" j/ ^3 B' R' @( M0 i>
7 f* k6 N+ f" e" c" r > - 2 inputs at the Transmitter with three possibilities;
; L% y" s5 k6 F& B> 2 analog
9 a1 B5 M% T# k; E5 E3 V) Q! s* [ > 2 digital
$ d2 F* m: ?0 u* X+ i& j0 U > 1 analog and 1 digital
! Y+ e8 e; U/ u a! ~8 o >
$ l4 G! s8 ]4 K$ i: l5 U > - 2 outputs at the Receiver with three possibilities to match inputs
, q$ u2 J0 Z) T9 e9 M; L >
9 u5 i6 r2 n6 h* F! w> - Ability to configure/define analog Transmitter input ranges through
. {$ E6 r6 r# H0 D; B1 u S% E > simple programming method to correspond with full-range analog Receiver
1 s4 O2 D6 b! ~( j > outputs (0 - full voltage).
( [( L8 E& {! V+ ~9 G% J5 M>
) C$ d: j& D- a* e/ {+ o0 V> - Ability to configure and set sample rates for the inputs.
4 \2 ~* ^. F/ S( i3 h>
: I( q* p/ P2 J5 x> - Digital output on Transmitter that turns on during the sampling period.
* G/ b# w4 k% N! {>
% M' c1 y( G# R > - Ability to configure a power saving Sleep Mode in the Transmitter by
7 M" a. R/ n# G) X4 d" n% D> both software control and input hardware control.
. ~' W( f; ?" ^% Z) j+ b: d >
. d" ]1 ^, p8 I) O > In order to configure the units, we would need a way to make the
I7 ?! x. w& X8 [; D2 r) }$ h) t > settings. This would preferably be from a computer terminal so that
) K* k3 f4 A1 z6 P8 y > configurations can be saved or easily duplicated for production volumes.
4 Z: R' V$ V |2 c9 k) V > The units should be small and compact with shielding, and able to mount
/ B! o. ~8 v. d/ U& R, D& E. {> to a printed circuit board with header connector.
Z) ?/ t6 B+ N0 d6 L6 o$ J>
/ ]/ o+ P, b" a/ }) [> At this time, we are interested in samples of a pair of modems that
0 w+ G" g$ B0 k# S) v6 I% I > might be similar to this proposed system. We do not expect that you
* ]! G& `8 W0 b- F& H( d9 [+ E3 a > provide all of these specifications at this time. I can describe our
/ W6 Y/ N/ y& C1 C. e. r% L0 A8 M> immediate application needs in the next email if this project is of
4 Q6 G7 A7 q: T4 p> interest to you. Perhaps you can make the samples by those
6 k4 |3 C t0 Z! z> specifications. This will allow us to test your radios before we move
1 ~9 M1 O. |& W% R3 R > forward. We are interested in your 900MHz radio to start.
7 o) ^% a6 _/ ]
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