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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

7 Y1 R) `* K! K" \ 客户要求如下,如果哪家工厂可以做,请和我联系
) [9 H$ F+ [# o; v> The application that we have in mind is similar to others that we commonly
5 N; P* L4 j3 X8 u% ?& d! Y* ^ > have. If we were to pay for FCC approval, we would want to use the modem
0 W6 h9 J2 E! r9 E* G! J' ]; W) J> units in all similar applications under the same approval number.
/ I3 `! _- B3 y( p> Therefore, we would like to be able to configure the units to a specific
& O3 {' y4 m5 `0 Y > application. For the business that we do, this approach will yield more
& y% c% M1 P7 q! a > sales based on the same product and approval. We are interested in the
$ M( f' T, H+ h> following specifications:
8 H/ r6 j2 c/ a' }5 [7 r >
e2 U6 @6 _3 E9 t2 J; w+ @, `> - 2 inputs at the Transmitter with three possibilities;
( D. h2 c Z) i' ^/ ~6 O7 M& _6 X$ q > 2 analog
- b5 C: C; X6 N1 ? > 2 digital
" P: G6 W `6 O# K- A, n1 t7 ]> 1 analog and 1 digital
2 Z( ?& ` A# z2 J+ H$ ~7 g T >
0 S* d# w* o5 x; T# Q> - 2 outputs at the Receiver with three possibilities to match inputs
' f- W; x7 a1 u >
3 {* k5 g8 s! m& B* [) i1 @0 k8 n > - Ability to configure/define analog Transmitter input ranges through
/ J' e) y X, `: J% `- N > simple programming method to correspond with full-range analog Receiver
9 _6 W, r3 w. Q! b > outputs (0 - full voltage).
- D$ B1 p7 b# v' a. g* G>
5 i0 w. g7 a4 G* L > - Ability to configure and set sample rates for the inputs.
; J- y; M# a5 k >
3 D% w6 T J1 d7 V& u> - Digital output on Transmitter that turns on during the sampling period.
: |! g( t1 {2 q6 [" a>
! s; [' d: j* h> - Ability to configure a power saving Sleep Mode in the Transmitter by
0 Z: e8 l9 C1 s8 t > both software control and input hardware control.
& n9 c! d! _# p>
4 B* r, Q G; ~7 V L: o" Z! R> In order to configure the units, we would need a way to make the
3 a& C6 G. _$ B > settings. This would preferably be from a computer terminal so that
9 m7 W; U# [! d> configurations can be saved or easily duplicated for production volumes.
* ?" h0 d( G: Z' x9 w> The units should be small and compact with shielding, and able to mount
' x6 i9 h7 Y/ V8 c6 f > to a printed circuit board with header connector.
; n. |& b4 g* H( {+ x& f; X>
, q- k- H3 v6 z0 g> At this time, we are interested in samples of a pair of modems that
2 B) D2 i' @# R* J. O7 u/ U2 R > might be similar to this proposed system. We do not expect that you
/ d- [6 Q0 t& d* S5 V3 J > provide all of these specifications at this time. I can describe our
- E4 v, c( h: a5 o' T8 f > immediate application needs in the next email if this project is of
% ?% t5 x1 z0 y$ @1 t4 C, R" m0 `# h > interest to you. Perhaps you can make the samples by those
2 A1 i2 l% i: `+ L2 r( u > specifications. This will allow us to test your radios before we move
6 T. t2 h1 \' T9 E8 g" f( B5 c> forward. We are interested in your 900MHz radio to start.
: U) q% R; d( s X
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