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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

! @ Q. `: X" |) s2 c0 |0 W 客户要求如下,如果哪家工厂可以做,请和我联系
0 O$ ~' F. g& w6 A- `> The application that we have in mind is similar to others that we commonly
% E% e( g% @1 { > have. If we were to pay for FCC approval, we would want to use the modem
5 {2 ]! i0 e1 Y7 x% B/ { > units in all similar applications under the same approval number.
& U; ^7 e* s7 e! t > Therefore, we would like to be able to configure the units to a specific
# p& q7 _8 e# D9 a, ~9 m> application. For the business that we do, this approach will yield more
4 U$ Y5 B3 f2 c" s% ^, V > sales based on the same product and approval. We are interested in the
\$ [; z1 m: U6 V# e > following specifications:
: s0 O% l: Y* W>
0 C& N: v6 V( V> - 2 inputs at the Transmitter with three possibilities;
( i9 e2 u" Q& z* T% h> 2 analog
2 S4 e: E$ b% E" w- Y> 2 digital
9 y4 _. I: R! i. s4 c. l8 ~ > 1 analog and 1 digital
; W2 ^* J5 n+ U0 V >
" b x0 z: i7 D# j > - 2 outputs at the Receiver with three possibilities to match inputs
# u [) A% z2 e >
3 C4 _$ m$ B( x0 Z > - Ability to configure/define analog Transmitter input ranges through
' `, ^7 i9 R) }( a8 ^% M > simple programming method to correspond with full-range analog Receiver
Z4 I" u- U6 j$ `7 Q7 ^) Z0 [ > outputs (0 - full voltage).
7 g1 E( P+ U3 _9 q( _, D [>
" g1 g j0 K* U. [- [) o1 e > - Ability to configure and set sample rates for the inputs.
; C" ] _- z9 D>
) h( ?# N F$ z3 K8 S n> - Digital output on Transmitter that turns on during the sampling period.
" C( I9 p- N6 K9 o>
1 _+ d2 {! _, i8 d> - Ability to configure a power saving Sleep Mode in the Transmitter by
3 ]+ V& q; X) K. { > both software control and input hardware control.
: |3 v# D: z* c: L$ E >
) p* k$ }6 F. S6 ^: B > In order to configure the units, we would need a way to make the
! J; O+ W7 G7 k' \2 a+ _ > settings. This would preferably be from a computer terminal so that
+ G# A. o; V* ]9 |- S x > configurations can be saved or easily duplicated for production volumes.
2 H9 m& y& x, A9 q0 ^' M> The units should be small and compact with shielding, and able to mount
+ t& {( Z) A, q K' l. K0 m1 B, \> to a printed circuit board with header connector.
: n- ?) K" X% [2 } >
# u$ }3 t$ l1 t# t4 v2 f' u% P- S> At this time, we are interested in samples of a pair of modems that
" ~! H- b7 }, m0 d7 F> might be similar to this proposed system. We do not expect that you
6 E- u& t' @ [ T$ | > provide all of these specifications at this time. I can describe our
3 ~& N( E+ ]" J# J> immediate application needs in the next email if this project is of
0 ], y, E3 M+ b> interest to you. Perhaps you can make the samples by those
4 J2 c. w8 d& |# M9 ~% k, G' o> specifications. This will allow us to test your radios before we move
$ X s' K# `+ x$ G& s> forward. We are interested in your 900MHz radio to start.
4 ]* r: o7 s! ~1 E H7 O
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