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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

0 }5 J( U l: e q9 ~; w5 N客户要求如下,如果哪家工厂可以做,请和我联系
; w- a( B9 S0 Y4 G- I> The application that we have in mind is similar to others that we commonly
% i+ S+ l& q6 t2 v L: H. q3 E> have. If we were to pay for FCC approval, we would want to use the modem
: w7 W$ a, `7 a6 f. a6 O" Z0 \> units in all similar applications under the same approval number.
/ R" ^8 m% A6 \# T" @5 ] > Therefore, we would like to be able to configure the units to a specific
7 |1 h7 j9 c G' p; X7 a' c> application. For the business that we do, this approach will yield more
: a2 T7 n- q3 t- U > sales based on the same product and approval. We are interested in the
3 s8 T h/ F9 G+ a- v> following specifications:
; T0 l5 p6 u$ ]4 A >
" ?3 r7 }/ `5 d% o6 u a> - 2 inputs at the Transmitter with three possibilities;
! j% N& a+ a% |$ x > 2 analog
7 k/ h2 M8 k2 Y: C > 2 digital
5 d7 g5 U! R- j+ d9 o! _> 1 analog and 1 digital
% e( _/ r4 `! @8 Y4 x2 l>
/ c0 r B' i3 C9 a, `> - 2 outputs at the Receiver with three possibilities to match inputs
: K6 v. C3 Q: @0 C* w>
9 U" v: F7 p9 N' U7 T" R5 _# o > - Ability to configure/define analog Transmitter input ranges through
# o8 f8 v: r( x3 I6 a+ E% p > simple programming method to correspond with full-range analog Receiver
3 V. |; F2 j' \- ~/ |( h8 g% m> outputs (0 - full voltage).
4 E+ P+ \/ r* E0 v; [>
& ?3 J' t# F8 v > - Ability to configure and set sample rates for the inputs.
* `$ j- [5 O9 I) f( O) U >
8 z9 U, I0 K+ i2 |/ u5 C1 H > - Digital output on Transmitter that turns on during the sampling period.
7 q1 J/ ~+ g6 u; Y>
4 S6 E0 o2 P. T8 o- f# O > - Ability to configure a power saving Sleep Mode in the Transmitter by
, @9 v+ D0 M' I" j x > both software control and input hardware control.
" y4 j7 N) \7 X>
- I% E' f5 [5 T6 O2 O& Z3 w# q5 u% \9 R> In order to configure the units, we would need a way to make the
3 q; g$ a1 e$ d, Q& J. t> settings. This would preferably be from a computer terminal so that
; J5 f5 U" K/ o& K* c& f5 n> configurations can be saved or easily duplicated for production volumes.
9 \$ Z% H' |2 N/ ]! }" h% P( O2 b> The units should be small and compact with shielding, and able to mount
5 P# k4 f6 v1 T% r# W) a+ b* i3 ] > to a printed circuit board with header connector.
: \1 z5 H, B) F >
' Z2 U* u: m+ y* {( f) J% d, h( u3 y > At this time, we are interested in samples of a pair of modems that
! O1 n6 C6 j( D# E$ ^: ~. d > might be similar to this proposed system. We do not expect that you
( |6 @5 X8 D3 C, Q7 z1 V. I/ S> provide all of these specifications at this time. I can describe our
/ i1 r8 ?# `) j: C8 d. e6 B> immediate application needs in the next email if this project is of
- Q4 v/ ?; l+ t% Y: c2 a0 i" F( g > interest to you. Perhaps you can make the samples by those
) K4 O* I- s7 y( N> specifications. This will allow us to test your radios before we move
" `0 O3 F9 V* N6 A5 J> forward. We are interested in your 900MHz radio to start.
, {7 T2 H: z, S- X$ S! T
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