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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

; e* w: M% O v客户要求如下,如果哪家工厂可以做,请和我联系
8 r# h7 i5 A& k* y* T% O > The application that we have in mind is similar to others that we commonly
z% f x( Y) S. V. I* j; { > have. If we were to pay for FCC approval, we would want to use the modem
, U; C2 S1 D; P& K; q > units in all similar applications under the same approval number.
. \4 ] H& M" g+ T) i> Therefore, we would like to be able to configure the units to a specific
! m9 ] d5 s& [' F > application. For the business that we do, this approach will yield more
* f1 Q/ D, c- ^3 F. |9 _> sales based on the same product and approval. We are interested in the
6 @, T/ D* r$ z3 W- q c+ h > following specifications:
2 x/ |( Y) Y( @/ _ >
2 G4 Z2 P8 F# y( G1 q> - 2 inputs at the Transmitter with three possibilities;
9 a- U. C8 B, E* u$ m A8 ? > 2 analog
" [& \ v8 `8 |. s$ J7 q$ k> 2 digital
0 u s' M2 f& Z# u5 r > 1 analog and 1 digital
- _! y5 s5 t. c- q >
$ a) L/ K7 M* P) E( C3 \> - 2 outputs at the Receiver with three possibilities to match inputs
" I3 f* J3 B( c( ~1 q# L; s>
" Y. x7 \8 q8 i2 A _1 Z' N> - Ability to configure/define analog Transmitter input ranges through
5 L5 _, V: }: Q3 w* o& O& R% y6 z> simple programming method to correspond with full-range analog Receiver
. X, K. V6 @$ Y& G> outputs (0 - full voltage).
* ~3 E* \1 [( D! l8 m: z>
" b9 N6 W' w3 X I> - Ability to configure and set sample rates for the inputs.
; D7 n9 `! { n" {+ Q2 x >
6 ^! s# g" U' g5 t2 b V5 @( T > - Digital output on Transmitter that turns on during the sampling period.
' L, q) ~5 E; f( J9 u>
7 }# X3 c, f: l; z' t8 O/ \' B2 e > - Ability to configure a power saving Sleep Mode in the Transmitter by
! N5 g8 `) H+ _8 _ > both software control and input hardware control.
; T: w- B' p6 F$ i. K>
# V6 j2 T4 N j8 a1 ^. U2 _0 E> In order to configure the units, we would need a way to make the
. c& J, f9 T' B/ _' E8 a- | > settings. This would preferably be from a computer terminal so that
7 Z5 `6 q( {1 e3 N> configurations can be saved or easily duplicated for production volumes.
* i# ]7 | C5 v- Q" Z+ U> The units should be small and compact with shielding, and able to mount
$ a; i, T: d/ x> to a printed circuit board with header connector.
& S# H D9 b, q) j# B# Y! @2 T >
( ?- @+ x6 o" Y J> At this time, we are interested in samples of a pair of modems that
5 a2 g* O; ^" a! {5 A: z > might be similar to this proposed system. We do not expect that you
* h+ Y1 c' ] U> provide all of these specifications at this time. I can describe our
$ i3 x y2 p0 ~/ Y# h> immediate application needs in the next email if this project is of
6 r* G) M, Q3 W: j; \> interest to you. Perhaps you can make the samples by those
+ v/ K* `) {. \& y7 h > specifications. This will allow us to test your radios before we move
# ?, l* s/ ~, {5 Y > forward. We are interested in your 900MHz radio to start.
% O/ U- r% \. T% ?- }; J6 f0 @
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