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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

b- M6 I% `- \ s8 j( S客户要求如下,如果哪家工厂可以做,请和我联系
. n: v m9 s8 E9 W. o% m# Z> The application that we have in mind is similar to others that we commonly
9 }' G+ U p' Q( e* @+ e > have. If we were to pay for FCC approval, we would want to use the modem
: R3 Q- Z( M4 ]- o+ Y6 K: y> units in all similar applications under the same approval number.
; k6 S# J3 y3 Z1 q3 s > Therefore, we would like to be able to configure the units to a specific
+ {+ ?) v. c# y1 s5 s+ | x8 l$ ]: o> application. For the business that we do, this approach will yield more
" o/ E0 c$ M' l% {> sales based on the same product and approval. We are interested in the
; r% n4 D; N, G- j; y+ ~> following specifications:
2 O+ a( |' }& {. h/ A1 Z >
& U9 Y4 ^2 H: U n% i> - 2 inputs at the Transmitter with three possibilities;
( Q6 Y6 p0 a+ e: \! _# y# x> 2 analog
1 I' E! W. p9 R8 r: v0 Q* x1 m! A1 G > 2 digital
O6 G# m- y3 @$ H# \# K4 @' Y > 1 analog and 1 digital
5 [( x* _1 t9 g3 m; ` >
7 t, t0 h& K$ r# F. ?1 Z > - 2 outputs at the Receiver with three possibilities to match inputs
" y% ~. ^: N+ z0 h$ Y1 V4 l >
2 r5 t1 C d! M* Q> - Ability to configure/define analog Transmitter input ranges through
; I2 V9 e" |7 h: e> simple programming method to correspond with full-range analog Receiver
) [9 T g9 @, @ > outputs (0 - full voltage).
5 f" |4 E0 z; Q. L3 [# ]" U/ _>
4 h+ l z' }( K; U4 ^ > - Ability to configure and set sample rates for the inputs.
^% r4 a1 I9 \2 Z n>
, L1 E8 X, c; `4 d > - Digital output on Transmitter that turns on during the sampling period.
) b0 C1 w t( P# l4 o7 Q >
3 T1 X! ^ d& m6 o- g0 C > - Ability to configure a power saving Sleep Mode in the Transmitter by
# u9 T M9 S0 J+ \7 _# E# s Y> both software control and input hardware control.
* T, L! k/ U9 v; E>
/ r6 v( h0 F+ D/ O$ O" P> In order to configure the units, we would need a way to make the
" r8 ?6 _3 h3 K> settings. This would preferably be from a computer terminal so that
" }6 X1 g1 J: x' M* g > configurations can be saved or easily duplicated for production volumes.
( a( I, S# U5 v% P7 o h+ ~> The units should be small and compact with shielding, and able to mount
, e! |# J K1 k" \) [1 W% N5 ]6 h> to a printed circuit board with header connector.
; |7 X# d' c: O7 z% Y& M >
) b7 v1 }8 q& W2 i2 V& \8 u > At this time, we are interested in samples of a pair of modems that
, W2 c( w1 E5 y9 ]: E, ?5 Q > might be similar to this proposed system. We do not expect that you
4 K' W, c, p/ G# K& z/ q; c) M& k" `7 U> provide all of these specifications at this time. I can describe our
6 t1 K9 a9 B' k> immediate application needs in the next email if this project is of
3 p( b- M. j+ {> interest to you. Perhaps you can make the samples by those
& c; ^ R; [2 a! W; h. f e2 {$ Y> specifications. This will allow us to test your radios before we move
5 v% d# |0 y8 X> forward. We are interested in your 900MHz radio to start.
7 l* K6 T# h) t$ |) T$ d
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