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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( f0 O, E2 ^! `" {8 o& G8 o) |2 y0 Q客户要求如下,如果哪家工厂可以做,请和我联系
( B% d: t O; Z% M> The application that we have in mind is similar to others that we commonly
% L Y# }8 F3 S% u( ]. j5 q > have. If we were to pay for FCC approval, we would want to use the modem
6 J- o# L" g( Z1 b/ h( d! L& L> units in all similar applications under the same approval number.
9 y- g8 F# n1 ?: e> Therefore, we would like to be able to configure the units to a specific
' C* O5 |! N* b0 o& s0 ]. W! Q > application. For the business that we do, this approach will yield more
6 R8 C5 o/ W* A( y > sales based on the same product and approval. We are interested in the
; H0 R2 N% p6 j> following specifications:
8 B. K" @: q/ Y- ?( j: `' N6 Y9 g>
, C c: U% t) g- b1 s9 j> - 2 inputs at the Transmitter with three possibilities;
! E2 X3 b& Y: Z& \( u5 c$ z > 2 analog
& V! _ A% J; N) O. g( T> 2 digital
( O$ H# r. l; E, Z& C& I > 1 analog and 1 digital
- P" u1 Q& x% m4 m >
- E5 e) S4 H0 e5 N > - 2 outputs at the Receiver with three possibilities to match inputs
: T; l0 |. L& M' j, c>
, Z- ^4 `8 Z; w5 q) d > - Ability to configure/define analog Transmitter input ranges through
5 h" L: A8 }: \8 `* G m > simple programming method to correspond with full-range analog Receiver
! L0 y) c1 _2 G% P > outputs (0 - full voltage).
( f# {5 Y1 v' p( F9 F9 J >
6 D0 h9 T" j+ v; J; J6 x> - Ability to configure and set sample rates for the inputs.
" @9 M; ^1 b! d& ? >
y" m) a7 i1 J1 _> - Digital output on Transmitter that turns on during the sampling period.
: U5 A- a* Z7 t0 s5 ]8 n$ @ >
, w% | K4 P% a' W% y* X9 A6 ]9 I> - Ability to configure a power saving Sleep Mode in the Transmitter by
5 j1 |- h$ r# U- W3 x > both software control and input hardware control.
5 V5 N# q* ~' N) i$ F( i>
& ?, G) G( s& w' v/ ^> In order to configure the units, we would need a way to make the
5 |8 w0 J8 D2 @. _# Y) G! y> settings. This would preferably be from a computer terminal so that
! a a: j/ o- P> configurations can be saved or easily duplicated for production volumes.
; n0 t+ `% y7 Y& y5 t6 j# o1 w> The units should be small and compact with shielding, and able to mount
' G- g# ~2 y9 ?8 ^9 ] > to a printed circuit board with header connector.
# n; m* x# Z. a; O, J* }0 Z+ y9 }1 \ >
- E, ~; Z" ~0 r* \1 D$ y > At this time, we are interested in samples of a pair of modems that
M) U; f; }: D7 b8 k# [ > might be similar to this proposed system. We do not expect that you
9 O7 R0 @6 }8 p1 R t1 }6 x > provide all of these specifications at this time. I can describe our
3 R$ C d. K! Z6 ?+ d/ I( {' ^& N: N > immediate application needs in the next email if this project is of
1 L7 r! P/ ]) T5 j* p# Z> interest to you. Perhaps you can make the samples by those
! g! I2 _# l- Y. ^* R> specifications. This will allow us to test your radios before we move
; W0 v3 P" n, x2 Q$ X8 ^/ k% p> forward. We are interested in your 900MHz radio to start.
9 V; n- a, E/ e7 k2 P. {5 V% Z- c
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