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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

8 `0 z$ _! y7 ^9 e" f客户要求如下,如果哪家工厂可以做,请和我联系
) D3 P! D6 U5 \+ t9 V- c> The application that we have in mind is similar to others that we commonly
# J: \ u- N4 W$ a7 x3 Y4 N > have. If we were to pay for FCC approval, we would want to use the modem
8 b8 w9 `4 z8 F > units in all similar applications under the same approval number.
1 k4 d/ ^$ L0 r2 W' { > Therefore, we would like to be able to configure the units to a specific
1 M) D7 q4 M, i/ {0 c% N* B > application. For the business that we do, this approach will yield more
' K9 E e# [; ? > sales based on the same product and approval. We are interested in the
: K& W! f9 d3 C" m# l- @2 I> following specifications:
9 \& }) v9 z( s& X+ p3 J7 P, G >
$ ]/ T0 e2 y l3 _9 q& u > - 2 inputs at the Transmitter with three possibilities;
$ I. P9 n' g) u7 f/ N. s0 r1 h- { > 2 analog
( e4 e( x8 G" K8 m> 2 digital
) x7 z: H' T% }> 1 analog and 1 digital
5 J) D8 c; f0 L6 \8 m7 {" D>
6 `) H; X9 a& W; x > - 2 outputs at the Receiver with three possibilities to match inputs
& \3 S- ]& W6 Z+ n >
$ ~2 j2 }/ R8 U' H) b1 m( [ > - Ability to configure/define analog Transmitter input ranges through
5 D- k2 w0 C( g5 P > simple programming method to correspond with full-range analog Receiver
* |. r/ ~9 c/ |1 a/ D2 c> outputs (0 - full voltage).
+ L- A' Y0 @! T& h% y: q>
! t! u0 n$ U: {, F> - Ability to configure and set sample rates for the inputs.
" I7 G4 d' I1 i% w6 y- v* }4 }>
& i0 Y; R! S* k' i( m1 W" l> - Digital output on Transmitter that turns on during the sampling period.
) G& V/ H2 @8 P>
. d3 Y- C% Q4 K. x> - Ability to configure a power saving Sleep Mode in the Transmitter by
$ G! Z! F0 ~* Y/ D# M7 u( m > both software control and input hardware control.
9 }/ X" N( @: n0 o9 z>
" M, n9 e7 g2 @( _+ ?> In order to configure the units, we would need a way to make the
# d1 ~' A" f7 B5 J5 T7 g6 Q% O* v > settings. This would preferably be from a computer terminal so that
, ~* v; q- y s+ D> configurations can be saved or easily duplicated for production volumes.
# |' ?( B4 u% @ > The units should be small and compact with shielding, and able to mount
/ L# y8 a! {: K) w( b2 @ > to a printed circuit board with header connector.
7 n# y4 n% P8 @3 l, i. w7 v>
: i2 @9 Y- v0 W> At this time, we are interested in samples of a pair of modems that
* e8 b# U# s2 m; P$ ?/ G0 N6 a> might be similar to this proposed system. We do not expect that you
( m1 c: r0 v* A" f1 W- m5 M6 Q, q' G> provide all of these specifications at this time. I can describe our
5 x) P2 }0 ]% \5 Z* X- ? > immediate application needs in the next email if this project is of
3 n) m3 X& _6 W' d z, x( `( P> interest to you. Perhaps you can make the samples by those
4 r7 I0 t+ I3 ^9 w3 R, s > specifications. This will allow us to test your radios before we move
0 E: j3 P0 _3 F> forward. We are interested in your 900MHz radio to start.
% w6 D. e! P& r" C
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