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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

+ M# y% W# ^* X, ~% H. a客户要求如下,如果哪家工厂可以做,请和我联系
y5 K0 [. T+ V > The application that we have in mind is similar to others that we commonly
8 ~6 A! z0 t$ [' m> have. If we were to pay for FCC approval, we would want to use the modem
1 ^. q( Q' g, r) v > units in all similar applications under the same approval number.
: m3 W4 N- k; _0 J > Therefore, we would like to be able to configure the units to a specific
7 P1 ?9 _" d5 b! r+ m f8 T# F> application. For the business that we do, this approach will yield more
) N3 W; @# b h6 w7 } > sales based on the same product and approval. We are interested in the
) o" ^/ G1 l1 U4 ~' P> following specifications:
( ?1 e( i0 S/ D+ M! J; C- j>
7 B5 e- e3 I! J) a& ^> - 2 inputs at the Transmitter with three possibilities;
( L* S8 h4 O, |) v! C > 2 analog
0 ~/ K. w$ K% M Z8 Q> 2 digital
$ [3 b$ | M, B9 e0 w( S > 1 analog and 1 digital
' G: r3 s3 l# ^, i>
2 { H+ K4 ]( p, w > - 2 outputs at the Receiver with three possibilities to match inputs
7 r3 c! Z. Q! N l1 m: v `) j" ^/ @ >
* w) e) R! u) V2 n. M9 @> - Ability to configure/define analog Transmitter input ranges through
% o: r l' v, c+ ^8 E* O> simple programming method to correspond with full-range analog Receiver
' S9 z: z7 e$ l/ S0 `& M > outputs (0 - full voltage).
, c8 y' d/ O- N% c" X6 _' U, _>
/ u+ w0 Z8 b4 E8 C/ D > - Ability to configure and set sample rates for the inputs.
; L/ O- Z, S! m( R1 y. O >
* E6 a/ a6 A1 t b# g1 G> - Digital output on Transmitter that turns on during the sampling period.
+ l0 \7 K: @% p+ f0 ^9 g1 z" Q>
, {/ f7 j: F1 U# h1 Q8 s$ f7 _ > - Ability to configure a power saving Sleep Mode in the Transmitter by
" q) W) U, w1 [* g" x- p" N> both software control and input hardware control.
8 {- L1 X0 q* W! ^ t>
( ?0 `, s; p% v > In order to configure the units, we would need a way to make the
9 D' t5 q& f8 w2 p: R> settings. This would preferably be from a computer terminal so that
! b& t/ Z7 y! n$ O > configurations can be saved or easily duplicated for production volumes.
5 S/ a1 [. W8 l7 q, y > The units should be small and compact with shielding, and able to mount
4 w6 j9 W6 m. A" D7 c> to a printed circuit board with header connector.
; f$ C9 w2 A* }, ~>
6 J* n& u/ ]& X > At this time, we are interested in samples of a pair of modems that
+ v3 \3 h8 o | S3 m$ y' w- w# f: W> might be similar to this proposed system. We do not expect that you
. }1 j; [% S9 b: I$ T: ~> provide all of these specifications at this time. I can describe our
$ C! t% T: l8 G > immediate application needs in the next email if this project is of
; K2 I7 }# |, z+ z > interest to you. Perhaps you can make the samples by those
, t: M# U4 U( n0 d1 E> specifications. This will allow us to test your radios before we move
3 U; ^4 k g) t > forward. We are interested in your 900MHz radio to start.
/ E" y5 s4 w+ G1 k
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