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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

+ J+ I0 f( p9 u1 ~! c6 K$ \ 客户要求如下,如果哪家工厂可以做,请和我联系
* n8 c% z( N* v/ p J# O& a> The application that we have in mind is similar to others that we commonly
7 n* X& X+ T# }3 _) B > have. If we were to pay for FCC approval, we would want to use the modem
; l, F0 B6 E% e5 l" { > units in all similar applications under the same approval number.
T- R# ]# K& l8 l) h' O > Therefore, we would like to be able to configure the units to a specific
# I0 E* k3 U# |' P- K( U& O> application. For the business that we do, this approach will yield more
$ G1 _8 l; j* \> sales based on the same product and approval. We are interested in the
* H7 y( z1 y2 o$ `4 e7 x) P4 p > following specifications:
3 A4 c0 N- H) g1 ?1 |: r- P>
$ z' S" M, E. S/ {> - 2 inputs at the Transmitter with three possibilities;
9 k. k c, z& T) a, a/ l> 2 analog
+ `. W8 ?9 @; z b7 F$ j> 2 digital
$ E- h+ W0 [( z0 D4 [> 1 analog and 1 digital
1 P. D# _5 K+ X. `; o>
. ]$ a# v. T. T0 I1 o' h y > - 2 outputs at the Receiver with three possibilities to match inputs
7 r% S% C! b$ c( R >
+ Z# r5 Y% S4 H. N9 w4 ?& t: M > - Ability to configure/define analog Transmitter input ranges through
- s5 R% h0 b) ?. A9 |0 Z- |) S > simple programming method to correspond with full-range analog Receiver
, {* R. E/ w! ^) [' T) F> outputs (0 - full voltage).
9 K0 H% f3 e; C* a4 K>
) t; F+ B- b% }$ I! r> - Ability to configure and set sample rates for the inputs.
) Q" [9 w8 `1 }; a( @! ?0 B>
- b3 J( k$ u9 R/ N2 M3 O! m > - Digital output on Transmitter that turns on during the sampling period.
( n( }5 P& P, q4 c; ?7 K7 D>
& X8 h! E) K+ v9 s > - Ability to configure a power saving Sleep Mode in the Transmitter by
1 W2 a; |) W, Y: j& [8 J> both software control and input hardware control.
' g1 B7 m# E% J/ u0 @: J# }4 h >
8 y! j5 i. }" i > In order to configure the units, we would need a way to make the
: x9 i+ \8 [: I: T9 t > settings. This would preferably be from a computer terminal so that
: Z0 a5 q% U% v# ], n! B) A > configurations can be saved or easily duplicated for production volumes.
: `* ?5 G! X) F! ~> The units should be small and compact with shielding, and able to mount
: O" O3 e0 B: o0 m; C. y- ^> to a printed circuit board with header connector.
9 O z2 D" V# m3 m' x/ j1 K$ @>
2 O% h- s9 C% v9 s- ?> At this time, we are interested in samples of a pair of modems that
9 F1 h/ E# h; d" n> might be similar to this proposed system. We do not expect that you
$ M) u" [' R( `' K/ B> provide all of these specifications at this time. I can describe our
, _; g. u _: D1 P! \6 m, r: b > immediate application needs in the next email if this project is of
& r, E2 ^& u' Q, ~0 k: @ > interest to you. Perhaps you can make the samples by those
) ]% X1 }8 }5 v > specifications. This will allow us to test your radios before we move
$ z v8 G8 |9 m% W6 J! A> forward. We are interested in your 900MHz radio to start.
. s6 k B: E) Z
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