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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

6 q1 o: t8 L! g+ w9 B; s" A5 U/ d 客户要求如下,如果哪家工厂可以做,请和我联系
6 h; k; F& O6 Y+ I> The application that we have in mind is similar to others that we commonly
7 h' @6 L/ d1 b6 f8 \, L> have. If we were to pay for FCC approval, we would want to use the modem
# l" T# ?+ Y6 r! z > units in all similar applications under the same approval number.
* `' ^( l; S* B" m( ?> Therefore, we would like to be able to configure the units to a specific
, I' o, _' f7 o: S! _> application. For the business that we do, this approach will yield more
8 N' o" m$ `0 F- ?+ }7 Y1 q> sales based on the same product and approval. We are interested in the
2 N( H5 x( o: p- t. ~. C > following specifications:
5 d' I+ \ a5 ^# B! z4 f) p>
; U' ^+ N, O2 q+ w. S+ v> - 2 inputs at the Transmitter with three possibilities;
7 V- c& i; ?0 m: N' D3 _ > 2 analog
7 q! v2 G9 F3 ~- P4 ]0 B( k> 2 digital
/ g+ ?: |* e# n1 V8 L+ ^4 U> 1 analog and 1 digital
9 W6 ^/ E) t" H1 l @# r& o >
s# D c& J3 r. N0 d! J6 [ > - 2 outputs at the Receiver with three possibilities to match inputs
3 f" Y+ E; G4 O& S6 I >
5 o3 h& h' y$ [- k3 T# n> - Ability to configure/define analog Transmitter input ranges through
v5 n F* t4 G% z) k( U> simple programming method to correspond with full-range analog Receiver
. X* {7 ^% H; T1 j4 C> outputs (0 - full voltage).
6 s( u! ]5 y, Y K; \" {: w >
1 _0 \8 n: T) ?! v }> - Ability to configure and set sample rates for the inputs.
1 W2 x, a% E$ v. d+ s# _2 t>
0 }- P4 y* i$ u9 k( u' X) U> - Digital output on Transmitter that turns on during the sampling period.
- ~% I5 j6 [2 L5 K' G ` >
5 N# F: p# X5 D" z8 V1 ~$ {> - Ability to configure a power saving Sleep Mode in the Transmitter by
8 J5 a" |* T% L! |8 _$ _6 _) n > both software control and input hardware control.
3 \; F6 h9 |% j K A>
9 Z) E, q% ~2 n8 G8 M> In order to configure the units, we would need a way to make the
2 s$ q7 H( h$ L$ | > settings. This would preferably be from a computer terminal so that
( v: s( q% T, f* K > configurations can be saved or easily duplicated for production volumes.
- t" [! p" M# w+ v/ V U+ H( s> The units should be small and compact with shielding, and able to mount
, a/ ^+ r8 T* h8 u2 i > to a printed circuit board with header connector.
! t( F' Y, `$ D2 R+ T0 P1 g5 P>
5 X$ e, {, F. w> At this time, we are interested in samples of a pair of modems that
2 f5 P+ ?+ ]) ?( ?1 X$ B > might be similar to this proposed system. We do not expect that you
0 w# N( o- j) Z; g4 J1 m8 r: D> provide all of these specifications at this time. I can describe our
b/ z8 m) w3 D7 j6 O> immediate application needs in the next email if this project is of
6 ]$ t# G! k3 h3 i1 R% B. x> interest to you. Perhaps you can make the samples by those
; o2 a8 X1 a) ]) G* B > specifications. This will allow us to test your radios before we move
7 g" e8 r- l" {7 W > forward. We are interested in your 900MHz radio to start.
2 }( S6 P# i$ J1 D- W ]
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