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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

0 g5 u: U: o" Y客户要求如下,如果哪家工厂可以做,请和我联系
U6 G* |; w, m9 @) B( r$ q i> The application that we have in mind is similar to others that we commonly
9 T9 ^8 V* d5 F. I> have. If we were to pay for FCC approval, we would want to use the modem
' K5 l1 _. z, ~+ l5 }3 W8 R2 Y > units in all similar applications under the same approval number.
1 ?6 _4 M/ v4 V* @0 Q > Therefore, we would like to be able to configure the units to a specific
1 [% i6 ^, O/ o. \9 o > application. For the business that we do, this approach will yield more
; s, A. l. R) Q* B$ X: S' d, P > sales based on the same product and approval. We are interested in the
2 J# j) f: X2 q4 R6 v! J u > following specifications:
4 R+ d" Q+ b7 K: n>
- g) v: r$ o5 A. C) R' T5 r8 X: H> - 2 inputs at the Transmitter with three possibilities;
+ s0 ?) o/ e$ P M/ N> 2 analog
2 j3 g) w. Q5 L" q# {1 g8 [; W> 2 digital
" b: y, C6 l! ?3 U > 1 analog and 1 digital
+ Y! u) ^# W6 i& j" v+ p1 ^* x >
5 [2 ]; X: E4 u! ]' i* B4 `+ [ > - 2 outputs at the Receiver with three possibilities to match inputs
, W5 V! Q$ i! s4 V/ ^5 Y >
- d. B7 o. i( f" c> - Ability to configure/define analog Transmitter input ranges through
5 c7 P! ^0 p9 j- o/ L > simple programming method to correspond with full-range analog Receiver
/ }1 q3 A9 L' U, S% u% K* o% U% s > outputs (0 - full voltage).
+ G4 t* z( I- X( ~ >
. H7 J1 Y! n. s5 K; T( X1 b> - Ability to configure and set sample rates for the inputs.
$ Y# Y2 _9 h! {1 `>
, F2 k6 |) U/ |1 f$ D5 t/ U > - Digital output on Transmitter that turns on during the sampling period.
5 o c/ }4 ^& b>
r4 h" o& Z: k9 }8 L! F> - Ability to configure a power saving Sleep Mode in the Transmitter by
! `% {2 i6 h7 F9 _> both software control and input hardware control.
2 F( m1 B ~6 w9 v: t0 Q* q$ `>
8 b: K5 V6 P8 l' K* y1 s0 F% i> In order to configure the units, we would need a way to make the
2 z* q" p. P, q$ Z> settings. This would preferably be from a computer terminal so that
- n( Z+ { _0 z5 P+ p! b. B> configurations can be saved or easily duplicated for production volumes.
6 P. H: N4 W! q. q > The units should be small and compact with shielding, and able to mount
6 i) q1 R; d/ @3 e, p> to a printed circuit board with header connector.
r2 U, Q" I/ A, j5 H >
4 n) z1 I0 f5 e2 }( h> At this time, we are interested in samples of a pair of modems that
. @3 v! M4 J, Y7 K1 K > might be similar to this proposed system. We do not expect that you
( h8 ?* b" e: f! \ > provide all of these specifications at this time. I can describe our
- y- T1 W. R9 C, @: S> immediate application needs in the next email if this project is of
+ N4 y/ x1 }4 p) y' X > interest to you. Perhaps you can make the samples by those
+ t$ w7 P6 W2 S1 D6 P! Y > specifications. This will allow us to test your radios before we move
8 H4 m r3 e- n+ W0 L> forward. We are interested in your 900MHz radio to start.
b+ h1 w; t$ P: o, w+ d( B
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