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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

9 @: _! M; p2 F* R* w# ~5 [; B客户要求如下,如果哪家工厂可以做,请和我联系
* @ t! e9 z: L# U6 X > The application that we have in mind is similar to others that we commonly
* G/ V4 S. |8 j4 p7 b> have. If we were to pay for FCC approval, we would want to use the modem
d* n3 n( E0 z) f: \> units in all similar applications under the same approval number.
6 m) e+ O' T9 m% S& J& H; m > Therefore, we would like to be able to configure the units to a specific
+ y' I) b; o" ^ > application. For the business that we do, this approach will yield more
3 k6 R2 `0 y' Q8 A4 \$ O9 d> sales based on the same product and approval. We are interested in the
7 E0 V( }- Y3 _' n* o' y> following specifications:
+ ]1 U0 d( p* G$ z >
9 t/ ~! j' Y8 O0 H2 _4 N > - 2 inputs at the Transmitter with three possibilities;
% A) S2 I( |. Z% z8 s$ [ > 2 analog
1 o1 E9 p/ A: P8 k$ \ > 2 digital
" a* x) J8 {; @- k" m q> 1 analog and 1 digital
! Z1 ~& S) g5 l>
# w1 r5 n }2 c/ ?. M* a> - 2 outputs at the Receiver with three possibilities to match inputs
* k- v; r; H) [( Y# w5 s& w2 \" b/ l0 B >
' F/ v) v" ~1 C+ H1 |> - Ability to configure/define analog Transmitter input ranges through
4 ~* K* {* g% b5 o6 p+ [8 i3 x/ k > simple programming method to correspond with full-range analog Receiver
% P) l1 Q* [% r7 M F- ` > outputs (0 - full voltage).
5 ~7 C9 e3 Z0 c! t9 Y>
( h0 w' u+ t/ K8 U > - Ability to configure and set sample rates for the inputs.
P7 j/ t- f, E" e >
. a! {0 Z* Z3 p' n > - Digital output on Transmitter that turns on during the sampling period.
( u9 r9 u& h; ^7 N- s2 u>
; U) R! k2 P* K# |8 b> - Ability to configure a power saving Sleep Mode in the Transmitter by
: L- |$ e% o/ \. g8 D! J> both software control and input hardware control.
: }0 a. W- |" L% E8 | >
6 M# t* D5 g K- V > In order to configure the units, we would need a way to make the
2 ?! j: R$ p! K> settings. This would preferably be from a computer terminal so that
! a; L! e. c; S > configurations can be saved or easily duplicated for production volumes.
7 k% P4 X0 G* J" [% B( J > The units should be small and compact with shielding, and able to mount
! b+ {0 |/ e, S9 d$ ?* }& z ` > to a printed circuit board with header connector.
' `7 N5 t$ u4 H$ K- U% | >
& M( u/ i( R; y > At this time, we are interested in samples of a pair of modems that
5 q' z2 H2 j9 K5 \% U& d > might be similar to this proposed system. We do not expect that you
* H( i4 G; z4 s0 s% o0 h> provide all of these specifications at this time. I can describe our
5 ^' J- X# J e: o! L2 f7 |, o. B > immediate application needs in the next email if this project is of
' R& O+ D" x+ u1 ]- h > interest to you. Perhaps you can make the samples by those
: ?4 m, p+ b2 `9 ^ > specifications. This will allow us to test your radios before we move
% D; I* ]* b4 c" H" o! c& l> forward. We are interested in your 900MHz radio to start.
! A8 m5 t h9 r9 P. |9 i; E$ J+ W
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