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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

& z! I/ ^9 ~. e0 i9 F* L) h5 E客户要求如下,如果哪家工厂可以做,请和我联系
* L& ~- o. l4 O) N> The application that we have in mind is similar to others that we commonly
) A0 m4 L7 }: K" c; T. r> have. If we were to pay for FCC approval, we would want to use the modem
2 i! I4 R7 f; g4 ~' P' L> units in all similar applications under the same approval number.
' D! k9 t2 r# _# l L9 u+ U> Therefore, we would like to be able to configure the units to a specific
/ l9 F$ y9 k& e9 ] > application. For the business that we do, this approach will yield more
3 W5 G& `" U% b* q > sales based on the same product and approval. We are interested in the
; f3 u! l3 e& z4 P6 | > following specifications:
: L, Z, A! t% W# f >
% [' b. J& g0 {2 a$ D5 J3 F> - 2 inputs at the Transmitter with three possibilities;
, A* \+ h' {$ b9 r7 |& s> 2 analog
9 _8 R8 Z. z7 W0 }; K* g4 ?8 h> 2 digital
: N/ H; d% |9 W$ L1 k > 1 analog and 1 digital
" ~: c4 Q/ @% I$ J) O) L* E( Z >
( O* i% v! m1 k \5 f5 g) S > - 2 outputs at the Receiver with three possibilities to match inputs
3 h) s- M$ Q9 b >
# b# g8 M2 D1 [ > - Ability to configure/define analog Transmitter input ranges through
- Y1 n+ y9 v0 ]> simple programming method to correspond with full-range analog Receiver
, o# F6 w+ ^1 O2 `0 c> outputs (0 - full voltage).
/ L* a1 h# T$ x0 H7 v3 `>
( Y2 _. E5 v6 W8 q, I> - Ability to configure and set sample rates for the inputs.
1 m: X* W7 P! C9 c>
! Y, F- g( j6 r# }. ^; M: l% O1 h > - Digital output on Transmitter that turns on during the sampling period.
/ M+ K8 H: C6 D>
! D9 x0 ]6 {$ \+ K& z8 h3 N" T> - Ability to configure a power saving Sleep Mode in the Transmitter by
9 Y$ E( ]+ b, `> both software control and input hardware control.
7 B: C3 p8 W5 @( p>
( P1 H: O- ~5 P/ t% q; k3 c1 L> In order to configure the units, we would need a way to make the
/ @0 ^9 T. |0 V1 Y* `, N > settings. This would preferably be from a computer terminal so that
0 t, T, [- o- P u1 B > configurations can be saved or easily duplicated for production volumes.
5 @4 `& c: ?( F8 Y X, O > The units should be small and compact with shielding, and able to mount
% T- v, U' v3 h2 y> to a printed circuit board with header connector.
# ]: Q! ], l, z>
, a! Y" Z/ q$ M. N/ P> At this time, we are interested in samples of a pair of modems that
' E* A4 v+ U/ l- j P. g > might be similar to this proposed system. We do not expect that you
# W# x. N, P( d* j8 h: v: u > provide all of these specifications at this time. I can describe our
4 \ c7 J y. G/ D( f; {# q- h > immediate application needs in the next email if this project is of
1 E7 {' u: T: I# Z9 j> interest to you. Perhaps you can make the samples by those
# B, m) O% R3 Q& ^* | > specifications. This will allow us to test your radios before we move
5 n0 q# F$ U1 E2 R3 H2 j > forward. We are interested in your 900MHz radio to start.
' G& d, _$ y4 i# m- e
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