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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

/ ~3 _6 r5 }, m% [7 i+ h 客户要求如下,如果哪家工厂可以做,请和我联系
0 X A9 K3 B; o: v6 Y" ~: u> The application that we have in mind is similar to others that we commonly
. s6 b8 `# u( H( \8 d% R% V> have. If we were to pay for FCC approval, we would want to use the modem
& N4 N: Y* F) ]: d; E> units in all similar applications under the same approval number.
# Q* V! g' ]1 l! B; c> Therefore, we would like to be able to configure the units to a specific
( H8 y; ?: s5 d3 r > application. For the business that we do, this approach will yield more
, n. q5 f H+ ?0 S' E > sales based on the same product and approval. We are interested in the
! c+ t' Y1 ?+ |- l- {1 |; H. p > following specifications:
# {: I$ s- G0 t1 |9 B: P9 k7 ]" O >
' J3 u: e, M- \> - 2 inputs at the Transmitter with three possibilities;
, C. {' o3 L: | > 2 analog
/ b; h6 E# }+ D) |6 }+ o> 2 digital
. G1 j+ X5 B8 h g& R; s; w > 1 analog and 1 digital
$ H6 d% w2 i3 |! V; U >
& K: b% L) `6 Z$ e" I( c> - 2 outputs at the Receiver with three possibilities to match inputs
6 a; e* {( S% U% u/ f3 m >
% w: g7 G+ ]7 o7 {( ^( E > - Ability to configure/define analog Transmitter input ranges through
7 I) C8 M/ X, l7 v* V4 K }> simple programming method to correspond with full-range analog Receiver
* t" H( S1 c8 d0 o> outputs (0 - full voltage).
: z) A- g# T- ?9 U>
4 p2 n5 Z! ^6 E. g> - Ability to configure and set sample rates for the inputs.
L% g5 \1 z+ Z, Q: a8 S/ g9 { >
7 q* j1 h( V# A4 X# W3 [$ _> - Digital output on Transmitter that turns on during the sampling period.
. g% @0 m1 T$ p) l1 c( U" P1 g3 P7 }>
5 Q6 U& x; c3 i7 t> - Ability to configure a power saving Sleep Mode in the Transmitter by
. u/ v% n, j2 f; C/ L6 v/ @5 [/ j9 n > both software control and input hardware control.
& r! l+ }( C% T( i- ? >
& I, \4 z# q }) c% `6 _ > In order to configure the units, we would need a way to make the
& `7 l% D( _# ]: N8 Q; s: [9 _> settings. This would preferably be from a computer terminal so that
5 l9 i$ D( |1 h- h1 O$ ? > configurations can be saved or easily duplicated for production volumes.
- o0 X0 {! d* C> The units should be small and compact with shielding, and able to mount
+ d8 i) B; f7 O" c s- ~( f> to a printed circuit board with header connector.
7 n1 @% O7 Y$ Z9 ]" Y& |% W; @>
( ~& p. _( o* N I2 B! d+ L1 _ > At this time, we are interested in samples of a pair of modems that
, Z2 E" z, ~/ }+ f9 F > might be similar to this proposed system. We do not expect that you
# c' z' o' K* f > provide all of these specifications at this time. I can describe our
9 B1 X; p' p$ o i7 u$ Y: [ > immediate application needs in the next email if this project is of
n0 p; J7 ~5 n9 Z+ `8 W > interest to you. Perhaps you can make the samples by those
1 V) J. _6 P( U> specifications. This will allow us to test your radios before we move
+ `$ L1 b! s: K( O. q> forward. We are interested in your 900MHz radio to start.
2 g; {) y5 v6 g* _2 d) W7 z7 q
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