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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

* ^! j6 o- P* D, u o, v 客户要求如下,如果哪家工厂可以做,请和我联系
; O2 @* n& L& l( |9 w& r > The application that we have in mind is similar to others that we commonly
7 S' }# Q# ?, X& x: A/ A> have. If we were to pay for FCC approval, we would want to use the modem
9 J! ?* k& m, o3 R! w. Q) { > units in all similar applications under the same approval number.
! T$ E) o" ^" X8 | > Therefore, we would like to be able to configure the units to a specific
$ I0 {- x' K2 U/ l> application. For the business that we do, this approach will yield more
% f) \2 i$ E: Z1 ~& {- _ > sales based on the same product and approval. We are interested in the
" q; d9 _: E2 ^1 _- {> following specifications:
0 ~" K$ [. F( j3 l>
" s- D F3 D7 x> - 2 inputs at the Transmitter with three possibilities;
0 q* o0 v5 Z2 E1 B: V6 _$ }7 X > 2 analog
7 Z8 m1 y9 a2 z& C$ U> 2 digital
' H6 {, s+ R b> 1 analog and 1 digital
2 g. l- k. i0 i0 l: U >
2 j5 i4 `$ s) [- i > - 2 outputs at the Receiver with three possibilities to match inputs
. D4 k( {% t C1 U3 c7 |4 u >
! r: z7 b2 _! k- I% M" p > - Ability to configure/define analog Transmitter input ranges through
0 {* P1 `# Y. a8 O3 O > simple programming method to correspond with full-range analog Receiver
: [5 [8 |5 l! P2 K > outputs (0 - full voltage).
2 Q9 [! h6 N# A6 h >
; Y/ Y/ S G# ?9 D# c+ { > - Ability to configure and set sample rates for the inputs.
; {0 M9 P# W1 s( W8 n>
2 E& V2 ~0 b) ^0 I > - Digital output on Transmitter that turns on during the sampling period.
# j/ h- r6 n: A/ j>
8 m& G) @2 j G> - Ability to configure a power saving Sleep Mode in the Transmitter by
) p" |( E# u2 D$ ?3 `> both software control and input hardware control.
; X- d" r" C5 k>
* E( s# A( y# L7 D2 _( y" W> In order to configure the units, we would need a way to make the
' {5 S. N# n) X5 v0 O. H > settings. This would preferably be from a computer terminal so that
* Q% @' j- x7 @3 j/ [. B7 k! a > configurations can be saved or easily duplicated for production volumes.
% c N5 a; H; E2 \+ a; ^: y > The units should be small and compact with shielding, and able to mount
3 y4 Y$ P( P, |& a> to a printed circuit board with header connector.
' Q9 u% n, F) N$ v0 ?>
: J# w; i) B7 G+ U4 d2 W" A9 m> At this time, we are interested in samples of a pair of modems that
$ A2 I) V2 J" H1 E > might be similar to this proposed system. We do not expect that you
4 g7 n- }: v' g0 [. B" U9 ~> provide all of these specifications at this time. I can describe our
) ^1 m9 i. l3 V> immediate application needs in the next email if this project is of
$ D' k3 h' ^5 _' I, }> interest to you. Perhaps you can make the samples by those
: P- D4 S2 X4 \8 p$ r > specifications. This will allow us to test your radios before we move
6 J% r7 i- L R5 t > forward. We are interested in your 900MHz radio to start.
1 _) Y& _8 `( a/ W2 M0 s
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