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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

5 ] X1 m4 _* W0 x* Q; m 客户要求如下,如果哪家工厂可以做,请和我联系
% N' ~" Q0 k8 m; B9 s* L7 N, Z > The application that we have in mind is similar to others that we commonly
5 v4 c$ u+ ~0 {# O8 b% D- C> have. If we were to pay for FCC approval, we would want to use the modem
6 e( F+ R6 k, v# i$ @, i/ q > units in all similar applications under the same approval number.
) |& L9 E! }6 _( S2 m* j+ b* p+ e' G > Therefore, we would like to be able to configure the units to a specific
/ }' S o @6 s% N> application. For the business that we do, this approach will yield more
6 p1 `( Z6 Z5 |# k' P& H > sales based on the same product and approval. We are interested in the
l1 W& Y: H% r > following specifications:
& I4 n0 `3 W6 J# ]1 ~. H: R >
" d: N9 N% T6 Z1 f2 y > - 2 inputs at the Transmitter with three possibilities;
; k/ b5 Z; v4 d6 W4 i1 X& `) N! |9 l> 2 analog
1 d- a" |' V! r2 F2 S4 l% S> 2 digital
, d8 I4 \& Y5 n4 ^+ I > 1 analog and 1 digital
0 [7 ]& W4 ^4 C >
- G: E, D& R9 G3 f3 \ > - 2 outputs at the Receiver with three possibilities to match inputs
: ^4 m, |+ H! R9 A; C* n>
: t( o, }5 k8 o/ C* k2 V, v, Q> - Ability to configure/define analog Transmitter input ranges through
) I& U0 B+ b, u2 ^* m+ z> simple programming method to correspond with full-range analog Receiver
) [$ i+ M/ {6 x > outputs (0 - full voltage).
: ~" f4 r5 Q. C# ]9 `; M+ E+ j& R >
) a' m9 \9 n$ x9 r6 O ~5 I3 k, _> - Ability to configure and set sample rates for the inputs.
1 U5 U7 e, k. z3 d$ r& I$ V% H>
5 ]0 U9 _5 o7 g% ^7 N> - Digital output on Transmitter that turns on during the sampling period.
" V+ c+ ~- c# h/ l! V>
6 ~- |) u4 l/ l7 J2 @8 y' q, P> - Ability to configure a power saving Sleep Mode in the Transmitter by
$ X9 T5 n- ^/ j' C> both software control and input hardware control.
# J' c: S, j* k5 ^3 q7 {>
9 R7 T; W+ O2 K. l6 v7 j: V5 y> In order to configure the units, we would need a way to make the
1 b) p4 F6 ~: t9 v& j> settings. This would preferably be from a computer terminal so that
; e5 z( S5 o: E; f/ c% S& u> configurations can be saved or easily duplicated for production volumes.
+ h% Y; @3 p6 I3 M# V > The units should be small and compact with shielding, and able to mount
2 {8 I7 A8 v# f6 V6 u$ Q9 ?> to a printed circuit board with header connector.
: w# T3 X" I' ]' F3 k>
( @% Q: U. h& ?! w, r% }' ?> At this time, we are interested in samples of a pair of modems that
1 e( T' s1 g* _) Z8 S8 j: b > might be similar to this proposed system. We do not expect that you
& ~* z/ V# l5 H, u# [3 _> provide all of these specifications at this time. I can describe our
. S! X+ j; p2 m/ v- p4 i4 Q$ }# j> immediate application needs in the next email if this project is of
" U9 k- O. e. E$ P8 b* D > interest to you. Perhaps you can make the samples by those
! o; }7 l6 S2 _2 R0 y" a> specifications. This will allow us to test your radios before we move
* D$ ?. f, \ Q" G- d' v; }> forward. We are interested in your 900MHz radio to start.
3 P. O- v$ j0 U" b; t
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