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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

5 a8 @. S+ l1 F8 Z6 m9 L- m客户要求如下,如果哪家工厂可以做,请和我联系
/ T5 G5 ], D$ @4 ?0 L4 X w> The application that we have in mind is similar to others that we commonly
& d: \7 B+ N; {# |2 `) }> have. If we were to pay for FCC approval, we would want to use the modem
. t3 j( P( e+ B/ T> units in all similar applications under the same approval number.
4 M0 h1 z6 P5 n" Z > Therefore, we would like to be able to configure the units to a specific
+ E6 L$ Q0 a3 P> application. For the business that we do, this approach will yield more
* j8 @8 c2 b% a K- m/ W> sales based on the same product and approval. We are interested in the
/ P; D% s$ {9 m- ]& R) i9 W> following specifications:
! R9 l) ^. \/ l" b, Z1 e7 L>
0 A: O: W7 T' C* q: y > - 2 inputs at the Transmitter with three possibilities;
- W q+ }% b4 S, @- ]" N j > 2 analog
6 k* p0 q, W, T; z> 2 digital
" [! h) R* V: g9 R1 J9 F > 1 analog and 1 digital
! @& v' R4 Y4 ~% ~& c >
- _4 I# t6 f" y/ h4 x > - 2 outputs at the Receiver with three possibilities to match inputs
7 w6 w: e$ E8 K( d: s >
% I2 }6 g2 t6 k' r; f > - Ability to configure/define analog Transmitter input ranges through
% b0 K' b0 D3 U! t. _ > simple programming method to correspond with full-range analog Receiver
1 J0 o7 m3 S% U! ^6 Q> outputs (0 - full voltage).
# W$ |( f: t6 D: h>
9 V5 T( ~- y9 v> - Ability to configure and set sample rates for the inputs.
+ p+ T, ~" v0 Z3 d: ?>
& z" U+ w9 v+ i$ j* x' q > - Digital output on Transmitter that turns on during the sampling period.
. `4 `+ U; G |* u( T>
* s+ L0 T3 N \> - Ability to configure a power saving Sleep Mode in the Transmitter by
( }' p9 K( E, U! I > both software control and input hardware control.
. S4 O" B! H3 h7 O6 j: l>
' W8 G6 h: ~1 S* U> In order to configure the units, we would need a way to make the
% B3 Q1 N3 a% v1 f4 n, n( C5 I M > settings. This would preferably be from a computer terminal so that
) k& w, e/ l$ ~/ b> configurations can be saved or easily duplicated for production volumes.
$ a& {9 A! s0 K> The units should be small and compact with shielding, and able to mount
* B# T! z1 {% }0 s9 `/ R0 r> to a printed circuit board with header connector.
2 N {; J% T8 J>
0 `" x, H0 T5 W+ t! \8 x; j8 b> At this time, we are interested in samples of a pair of modems that
( I# T9 P: L: ^" D4 l3 }. ^ > might be similar to this proposed system. We do not expect that you
) u( U) B' D& {- t) g- o> provide all of these specifications at this time. I can describe our
' b" D; E3 k H Q0 p {. H2 j> immediate application needs in the next email if this project is of
! X! }- |: L3 o; K, m> interest to you. Perhaps you can make the samples by those
6 u; s2 Z$ V8 {$ ? > specifications. This will allow us to test your radios before we move
: r: m/ V& R% U7 l2 F0 i! H > forward. We are interested in your 900MHz radio to start.
, J F/ i8 q: W
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