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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

' E+ I7 ?2 b a* Z5 o U" j+ m8 F客户要求如下,如果哪家工厂可以做,请和我联系
/ G4 n; W- L2 Y6 w> The application that we have in mind is similar to others that we commonly
* t' i4 @/ m$ O: Z5 B% z9 m > have. If we were to pay for FCC approval, we would want to use the modem
0 F* l3 m# [) B% K$ V6 P: ]+ D > units in all similar applications under the same approval number.
! y$ o0 c, [! {( R> Therefore, we would like to be able to configure the units to a specific
5 R. p! J4 T2 J8 W0 o> application. For the business that we do, this approach will yield more
( [4 `' T4 | _! R5 }' Z* w > sales based on the same product and approval. We are interested in the
! c$ u: D V) ?/ \, c/ U> following specifications:
8 L. ~5 u; L# Y+ _>
0 K2 T& u. M! F, X> - 2 inputs at the Transmitter with three possibilities;
, R; r, A% \; R2 m z > 2 analog
" o8 l+ X6 X1 x' Q6 q9 i> 2 digital
0 c! i0 P3 ^ a% G# p> 1 analog and 1 digital
: \. ?) i0 E' N, }; G0 I>
# V& F& k" W/ S/ r g* X7 Q > - 2 outputs at the Receiver with three possibilities to match inputs
/ D/ O; Y, x; C# c; Y: K* T5 r >
& X% q8 m- R. Q5 x- b9 g> - Ability to configure/define analog Transmitter input ranges through
4 I) `. N* a/ g, o; p > simple programming method to correspond with full-range analog Receiver
8 i8 X+ O6 R! ]0 |4 |3 {> outputs (0 - full voltage).
7 w2 W8 A5 G7 M7 W2 ]5 U+ E >
, i* F, n! p4 X2 R > - Ability to configure and set sample rates for the inputs.
+ z( S6 r$ L/ U9 ^% m- I' a >
6 W& i7 s( G; i9 ~% w, \3 o! B > - Digital output on Transmitter that turns on during the sampling period.
; {6 `, \4 ~% Y( w, O& P1 c3 e>
3 W$ z a. m) D, ` > - Ability to configure a power saving Sleep Mode in the Transmitter by
% x4 l8 H+ w8 O% ]! {: X- {> both software control and input hardware control.
, F3 x4 b: Y* e1 Z8 x>
: Z8 d8 L) v! Q& ?3 E> In order to configure the units, we would need a way to make the
. I$ a# A2 w+ I! }0 M8 k > settings. This would preferably be from a computer terminal so that
; |! Z+ S0 k" C > configurations can be saved or easily duplicated for production volumes.
8 r3 x6 [$ `9 l7 `- K$ X7 {% m > The units should be small and compact with shielding, and able to mount
6 `2 C. n1 x# S: Q6 k > to a printed circuit board with header connector.
7 \+ S/ r) T$ b/ _' e >
: R3 A7 v1 s g+ r5 F: c" P> At this time, we are interested in samples of a pair of modems that
5 o7 P3 E! Q. f" a* n> might be similar to this proposed system. We do not expect that you
" t. N. ~" Z' W& _ > provide all of these specifications at this time. I can describe our
8 b: {" y1 i" s" [0 V5 a> immediate application needs in the next email if this project is of
' u( e% N5 o: l O3 M* T( Z> interest to you. Perhaps you can make the samples by those
! t) ]' H& e: V" E: O1 @ > specifications. This will allow us to test your radios before we move
4 v3 e! M9 C7 y3 J, y> forward. We are interested in your 900MHz radio to start.
( l8 i$ E! ]8 Z7 s7 M n0 G
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