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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

8 }" J6 M4 I; ~; |客户要求如下,如果哪家工厂可以做,请和我联系
# r# g6 c5 L9 \# ~4 k" p( E > The application that we have in mind is similar to others that we commonly
! ]6 ~0 ^. t0 M" ~" Q. x> have. If we were to pay for FCC approval, we would want to use the modem
6 f8 j$ [* V9 d: `" ^3 S > units in all similar applications under the same approval number.
' M# Q& c6 Z# ]& b& F. `' B7 j3 ? > Therefore, we would like to be able to configure the units to a specific
; @+ k( n; \" R* X6 {7 U" ~> application. For the business that we do, this approach will yield more
1 M$ P1 A$ q& D7 ] > sales based on the same product and approval. We are interested in the
! b* k) Y4 v s, H1 H; ^0 Y) I1 a > following specifications:
' R U: ], K- @/ q3 }/ F e4 n >
) C; T5 R$ H3 r> - 2 inputs at the Transmitter with three possibilities;
! O6 l/ P* s3 ^& S> 2 analog
3 r" t( H& Y- S3 k- P( N/ [> 2 digital
6 e9 B/ A/ H( _ > 1 analog and 1 digital
; o5 Z/ ]3 {; J5 D5 x >
( n5 v8 r- o/ T# \9 {0 n! N7 M> - 2 outputs at the Receiver with three possibilities to match inputs
" H4 b1 N* d X1 S >
# _2 Y- X+ ^" m' O5 {6 d5 c% j > - Ability to configure/define analog Transmitter input ranges through
# h- g- w' m# e) g6 k; n' U> simple programming method to correspond with full-range analog Receiver
9 _2 I) W% f8 C+ ?7 {: T3 F> outputs (0 - full voltage).
% A# B# e, D6 s7 }0 X. D>
$ S( O6 A" l! {0 m2 G# r6 S' i> - Ability to configure and set sample rates for the inputs.
& u: u; O, d0 O% d>
: a8 j6 s8 A: |6 U > - Digital output on Transmitter that turns on during the sampling period.
e- m/ g | P>
4 H" Z; r5 q- U! ^# [ > - Ability to configure a power saving Sleep Mode in the Transmitter by
) V8 d; \$ ~" ?> both software control and input hardware control.
% W/ O- V2 h$ E0 W >
" C' K9 ?" w9 D3 E6 u> In order to configure the units, we would need a way to make the
$ [. u5 X8 l7 e, G7 |> settings. This would preferably be from a computer terminal so that
/ v+ @ {& h& B$ I> configurations can be saved or easily duplicated for production volumes.
' f! y+ F! M5 B5 k4 }4 k( h > The units should be small and compact with shielding, and able to mount
4 t/ b3 h4 ^% k+ {2 b' W> to a printed circuit board with header connector.
# V8 q) o3 i7 {( p>
5 _; b" `! B& Q; p) p9 v; t > At this time, we are interested in samples of a pair of modems that
/ }; l3 F. e, j* j% o' i8 L > might be similar to this proposed system. We do not expect that you
3 s7 B: U. _) _; P0 z( {5 K1 N> provide all of these specifications at this time. I can describe our
6 r1 o9 ?+ D0 f7 m g7 @2 A, B5 [ > immediate application needs in the next email if this project is of
! i7 O" s: Q# ~ > interest to you. Perhaps you can make the samples by those
* m* D( Z; P$ C4 N > specifications. This will allow us to test your radios before we move
8 T4 O; M+ @6 w+ b2 T9 p8 r > forward. We are interested in your 900MHz radio to start.
7 n: m" N5 \# q. V' m# ^$ u4 V
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