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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

3 i4 n( Q x+ a* l 客户要求如下,如果哪家工厂可以做,请和我联系
r; J9 ~( M. @2 P4 z* n> The application that we have in mind is similar to others that we commonly
& Y# Q. N; W3 V; e2 n> have. If we were to pay for FCC approval, we would want to use the modem
9 U: S7 l9 ?1 t3 v$ B7 C: \ > units in all similar applications under the same approval number.
+ j$ e. S- Y1 D" E > Therefore, we would like to be able to configure the units to a specific
' a. I- p5 n P5 i; C2 L> application. For the business that we do, this approach will yield more
+ t# N7 f' U5 A3 i> sales based on the same product and approval. We are interested in the
& j5 u5 x1 n& {- H% ~1 V* a9 x: v > following specifications:
* E# v1 |. c% s6 J, D" P>
. \# _; o: i2 ]5 m > - 2 inputs at the Transmitter with three possibilities;
+ [% Z9 ?" ^( d, x > 2 analog
; t$ B: E1 a: t" \6 D: }+ y" t) x> 2 digital
9 d$ l% {) V! p* w> 1 analog and 1 digital
0 k* z0 b- m: r8 I>
4 l. n# `( T7 b7 R > - 2 outputs at the Receiver with three possibilities to match inputs
1 r. N7 |% m" G& o/ }>
" r3 M" M. g+ h7 e. Z > - Ability to configure/define analog Transmitter input ranges through
( W3 v. ` x0 M) L4 J/ A0 u> simple programming method to correspond with full-range analog Receiver
! \) Z8 x; X% O: f > outputs (0 - full voltage).
# p0 t* X! S6 _+ T& u% Q>
3 [# ~! l5 a6 G! f; F > - Ability to configure and set sample rates for the inputs.
& F: b% E' r5 B' n>
+ m: K3 \( {, b1 Z+ G. w: \ > - Digital output on Transmitter that turns on during the sampling period.
2 B' `) b# k' v- G2 p. D4 w>
0 P# P% f5 w$ I* A9 i7 p) ~8 P> - Ability to configure a power saving Sleep Mode in the Transmitter by
2 ^' k4 o9 U* l' A8 [> both software control and input hardware control.
5 T/ i6 N2 ^; f>
. {# E) u: q: ~7 ^* N9 D> In order to configure the units, we would need a way to make the
2 F x. _- N0 s& r" G# M+ n> settings. This would preferably be from a computer terminal so that
) Q9 a+ z4 l0 U6 W' @9 w> configurations can be saved or easily duplicated for production volumes.
+ v8 p/ d3 R+ Y( W> The units should be small and compact with shielding, and able to mount
! T$ B2 F1 ], [> to a printed circuit board with header connector.
1 T1 `6 E. m. t( q >
- M- N, o% n3 Q& m y > At this time, we are interested in samples of a pair of modems that
0 b4 [( I3 c/ Z* [7 _2 k, K > might be similar to this proposed system. We do not expect that you
/ f: J2 v. z7 `7 }' z> provide all of these specifications at this time. I can describe our
8 c, z, Z: z; U# {4 g& M > immediate application needs in the next email if this project is of
% N9 s3 y X2 N# ]' o9 F5 p/ O> interest to you. Perhaps you can make the samples by those
+ m& P" Z% r4 j% H9 A> specifications. This will allow us to test your radios before we move
+ |5 [. |2 m% B1 W > forward. We are interested in your 900MHz radio to start.
* m& p' ~8 J4 A& Q; D
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