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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

) |2 R7 K* E; ~! H3 Y4 J/ ` 客户要求如下,如果哪家工厂可以做,请和我联系
5 D; g, Q3 e% X- F* e' ` `> The application that we have in mind is similar to others that we commonly
4 S' I s/ p2 c4 G> have. If we were to pay for FCC approval, we would want to use the modem
0 y1 s. Q0 ^& h9 r> units in all similar applications under the same approval number.
8 M* O% x, s2 U* m/ V0 G, g > Therefore, we would like to be able to configure the units to a specific
* t- i& j9 r" b4 p> application. For the business that we do, this approach will yield more
) ?( |3 q& [& @7 v> sales based on the same product and approval. We are interested in the
8 W9 Q3 C( Y/ g > following specifications:
r; K" n! h6 k( e, N/ v4 \>
. i$ s4 q. C) b+ p& X' A > - 2 inputs at the Transmitter with three possibilities;
2 w& N3 v: E& b' B > 2 analog
1 D! Z8 x+ [ m) c' l+ z/ x3 h> 2 digital
5 ]% A+ N; [- ]+ w > 1 analog and 1 digital
+ B# e: Z7 _1 ~* ~. i>
- T3 h$ J6 r+ c) C- `# y > - 2 outputs at the Receiver with three possibilities to match inputs
7 O5 p( D( z2 `- W- i>
' U& H% W. ~2 ~. |: D5 Q0 q3 w> - Ability to configure/define analog Transmitter input ranges through
4 Q3 P$ p2 m9 {3 Z8 F$ V, ]> simple programming method to correspond with full-range analog Receiver
7 Y& o( M" a( V& ?> outputs (0 - full voltage).
3 g, ~9 M6 E* X; P- A; b9 k >
8 S" _( r" U$ s! F8 P8 v > - Ability to configure and set sample rates for the inputs.
8 m/ C, p$ y) B5 a+ d >
: a6 }" ^9 u" Y5 `> - Digital output on Transmitter that turns on during the sampling period.
% n. V1 Y n3 f" f- y% i9 a: Z>
9 H2 e8 {) t4 l% K0 j4 g5 O7 d1 l > - Ability to configure a power saving Sleep Mode in the Transmitter by
) j3 F% o# S# m9 g5 d> both software control and input hardware control.
; s2 n$ m1 d4 N >
$ r) Q( V) L6 }0 ~& Z# O; k& ]> In order to configure the units, we would need a way to make the
- `9 H7 U% V: } l2 c: n R3 {> settings. This would preferably be from a computer terminal so that
& N. J' R* H% g$ L+ J' l > configurations can be saved or easily duplicated for production volumes.
4 N( S( m2 ]# O6 b5 ?! I% B; T P > The units should be small and compact with shielding, and able to mount
: \4 r' h) s/ Y > to a printed circuit board with header connector.
5 y; N5 W" I& F9 ^1 ]>
+ [: }0 Q7 @* M5 X, I( C+ k0 \ > At this time, we are interested in samples of a pair of modems that
# U1 D: O# {* j; d# w4 o > might be similar to this proposed system. We do not expect that you
4 h# @9 S! V* S& t* K |! q > provide all of these specifications at this time. I can describe our
! S4 ?" X3 ?, Y1 j1 l, }> immediate application needs in the next email if this project is of
Q+ e+ ]! a, z j9 \1 Z) u7 C> interest to you. Perhaps you can make the samples by those
/ p; \8 f% G1 d4 H/ x, B > specifications. This will allow us to test your radios before we move
9 [ L0 u9 i- c* U9 {( M8 Z" M> forward. We are interested in your 900MHz radio to start.
7 c3 P) f6 \& b6 C% _
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