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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

" J, P5 U" g j; w$ F* _, C 客户要求如下,如果哪家工厂可以做,请和我联系
$ b Y7 g: B* K* W5 n x' t# m> The application that we have in mind is similar to others that we commonly
; u$ i" h, V% c' w" Y; k+ C R> have. If we were to pay for FCC approval, we would want to use the modem
# x& p) j, E! N; l W% w> units in all similar applications under the same approval number.
1 y$ E' I1 Z/ X$ D" X > Therefore, we would like to be able to configure the units to a specific
2 B. o* ?. H9 ~" W2 s4 q> application. For the business that we do, this approach will yield more
$ ^8 s2 i$ A+ h( S+ V' x2 j > sales based on the same product and approval. We are interested in the
( t+ ~& l0 G# ^' k _2 I* P > following specifications:
" Z# K6 K5 y* Y% A>
; R4 c( ]4 B0 P: b" C> - 2 inputs at the Transmitter with three possibilities;
1 B4 R0 q0 l. M. R > 2 analog
2 l0 b; V8 N7 ?* C; Y+ J, L+ K> 2 digital
% N8 W y) i2 X7 `> 1 analog and 1 digital
9 T8 I m1 s# b. L5 ]+ k >
5 U+ Z* A4 I* J6 v7 e: I > - 2 outputs at the Receiver with three possibilities to match inputs
! J2 W- s" p6 }( i>
6 k0 |( ~) `6 ?9 f> - Ability to configure/define analog Transmitter input ranges through
" N/ D) F. f1 x" ] {> simple programming method to correspond with full-range analog Receiver
. _3 F g/ h' W) N) u> outputs (0 - full voltage).
! u2 ?& ^% O* X" X1 w: G$ b9 Y >
8 b) [) E# k: Q( q% C# i( \> - Ability to configure and set sample rates for the inputs.
G- ]2 O; q& D1 j >
& k# v9 H2 ]) e) I* q. S7 k> - Digital output on Transmitter that turns on during the sampling period.
; u1 C8 g8 c# D: D+ \+ O! K >
) }) ^0 F( m' k/ o; M `' B > - Ability to configure a power saving Sleep Mode in the Transmitter by
8 X8 h. e: _4 v& ^: `4 ~4 F. O > both software control and input hardware control.
9 D0 v) ?" b" [( ^7 b >
1 Q2 j( [" t: m4 b: x> In order to configure the units, we would need a way to make the
5 p- O# A4 Y# i > settings. This would preferably be from a computer terminal so that
( z \+ ~1 o% k0 @1 t" @6 l0 G2 P/ I > configurations can be saved or easily duplicated for production volumes.
) c& ~! E& a$ X" u> The units should be small and compact with shielding, and able to mount
1 G) w) }( P. x2 J( r: ~> to a printed circuit board with header connector.
) U. z) [+ c9 u2 N, S2 ~7 z: } >
" o; W" a- `8 ], u( H8 i > At this time, we are interested in samples of a pair of modems that
0 J6 |# I# K0 f* ^) x% J+ O > might be similar to this proposed system. We do not expect that you
$ T: N9 [, s# I: x/ _% h6 l. i3 _- a > provide all of these specifications at this time. I can describe our
" _# U) w# `; J/ L$ O: a0 Q' g( h C> immediate application needs in the next email if this project is of
2 [5 s; Q5 ]& n9 D" J8 P( Y' h> interest to you. Perhaps you can make the samples by those
c- U" r6 b& n8 h$ J* b > specifications. This will allow us to test your radios before we move
1 J2 t+ R. b. M6 s, @* O > forward. We are interested in your 900MHz radio to start.
- w3 N9 U, X) ?" |; V' q
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