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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

9 I$ V* a- F7 w; U 客户要求如下,如果哪家工厂可以做,请和我联系
" T! V/ U3 R- z# O4 ?% L8 g, ]> The application that we have in mind is similar to others that we commonly
. A3 q2 W- u! ^1 @9 i5 t5 D: y> have. If we were to pay for FCC approval, we would want to use the modem
7 i4 ?- \- X, ] > units in all similar applications under the same approval number.
+ U/ }- s' s1 N3 x$ z > Therefore, we would like to be able to configure the units to a specific
* ~/ V. i' W& G" q* o> application. For the business that we do, this approach will yield more
. f) s+ ], \7 l> sales based on the same product and approval. We are interested in the
b- A; v0 L, @6 s" j6 ]8 A1 ?& c% L9 c> following specifications:
$ X7 q3 q9 Z. D; I1 @+ l& x >
2 u9 ^% s. d0 k ?3 [# @> - 2 inputs at the Transmitter with three possibilities;
# O% |' l3 i( B; ? > 2 analog
( V4 {, h! Z% q0 l( ?; t( u( U2 c > 2 digital
6 c, A6 g, H, j/ Z/ ?/ t > 1 analog and 1 digital
' o$ M( O9 G4 R1 }. t ?* s r: p/ R >
; n0 O% U# n0 {, [; r, h" l2 n& Q; Z> - 2 outputs at the Receiver with three possibilities to match inputs
" a8 o% j: j) c5 x7 n4 c4 h4 ] >
X: T+ F2 d/ x+ Q3 w" I7 x7 `> - Ability to configure/define analog Transmitter input ranges through
5 }2 \6 E G+ j> simple programming method to correspond with full-range analog Receiver
) _3 V' k D q l2 s! h+ R2 P/ w > outputs (0 - full voltage).
6 q& z6 \- |" ] ~>
# i- \* a+ G5 z, I/ I > - Ability to configure and set sample rates for the inputs.
" M1 p2 ]; G9 D3 @/ b6 U1 q0 P. l >
1 o- b4 G3 `0 a7 J > - Digital output on Transmitter that turns on during the sampling period.
2 L* m) W3 L3 I5 D0 s% } >
! ]8 ]# ]6 A0 p7 s0 Z3 v# f; |# u> - Ability to configure a power saving Sleep Mode in the Transmitter by
3 ^" K) i# }5 B# ] > both software control and input hardware control.
+ e/ E& N# F6 X, N' Q% j* y>
; L$ u9 F6 g) R9 Z: c. _* Z: H> In order to configure the units, we would need a way to make the
5 P% p' h* H- o5 C, l. W > settings. This would preferably be from a computer terminal so that
/ P( O; b, F- u/ _. g> configurations can be saved or easily duplicated for production volumes.
m% r! i* F2 G# n, n' u5 ~4 @> The units should be small and compact with shielding, and able to mount
% T" ?" Q, I/ H' X; q > to a printed circuit board with header connector.
6 K8 U7 [: y. H1 `) @>
: G! E' v, ^1 i9 n: ~> At this time, we are interested in samples of a pair of modems that
) m1 [% D6 n1 `1 o> might be similar to this proposed system. We do not expect that you
6 q$ [* t2 l1 B9 L* [ > provide all of these specifications at this time. I can describe our
( u4 j8 a; F5 S> immediate application needs in the next email if this project is of
* E; p* M0 @2 [- C" c- _" q> interest to you. Perhaps you can make the samples by those
" X& U V, [7 U; q w > specifications. This will allow us to test your radios before we move
H! ^: T9 ]" s1 t2 t' Q > forward. We are interested in your 900MHz radio to start.
: w H2 m7 d5 r' G- F
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