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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

# P7 g/ K* @* X" Q' G+ M$ p客户要求如下,如果哪家工厂可以做,请和我联系
+ q6 h2 X9 {/ |> The application that we have in mind is similar to others that we commonly
9 u: _8 Q( X* R# |, A/ [( M > have. If we were to pay for FCC approval, we would want to use the modem
; v6 c6 K* q0 c' g; \ > units in all similar applications under the same approval number.
! g2 b$ U9 |2 Q7 A> Therefore, we would like to be able to configure the units to a specific
# O. [ w, a1 y2 U > application. For the business that we do, this approach will yield more
* B: o, p- Q! w9 U8 A- f, {> sales based on the same product and approval. We are interested in the
$ e" @8 n4 w4 n: M8 D5 _. A | > following specifications:
, b5 ^4 Q! G$ T8 h>
( X7 \* d4 y# r& {0 `; Y> - 2 inputs at the Transmitter with three possibilities;
7 r9 i8 j8 Z8 x4 Q6 S$ {> 2 analog
6 P5 @3 ?; F8 b > 2 digital
0 G J) j9 |" O> 1 analog and 1 digital
9 _4 ?1 _+ c) P1 a& d>
) U+ X" g8 z7 K- D$ h> - 2 outputs at the Receiver with three possibilities to match inputs
5 O% N( k. f5 s8 P: p" |9 r) p >
# q! m5 [; z5 I# {" j > - Ability to configure/define analog Transmitter input ranges through
8 p# q" q# C" m$ F% q) p: V0 S$ ^ > simple programming method to correspond with full-range analog Receiver
1 h6 {: J4 \0 z$ F" i& d* G> outputs (0 - full voltage).
. h7 g- K* a! p: S>
+ U+ g7 r9 a# q8 x> - Ability to configure and set sample rates for the inputs.
, c3 S3 Q& q4 v# f; f1 x>
. I3 d3 Q* ?* ^% Y: S' D7 W, j/ |% _/ G! E> - Digital output on Transmitter that turns on during the sampling period.
' {# r5 b( y: L: i0 d >
" {) o. X! u) Z. S$ O# g( P# i& N0 k> - Ability to configure a power saving Sleep Mode in the Transmitter by
7 a0 h3 x+ m( R+ L7 Z+ U: b) z > both software control and input hardware control.
8 H) h9 d+ M( U7 v3 f8 X>
2 C* Q# Y, t N N: P > In order to configure the units, we would need a way to make the
! Z6 X3 C6 M1 \$ Z7 A> settings. This would preferably be from a computer terminal so that
# e; R" o1 X4 S2 n9 C$ r1 N' j* M > configurations can be saved or easily duplicated for production volumes.
0 g+ I4 q4 I# J2 n B5 ]> The units should be small and compact with shielding, and able to mount
! T- h4 P5 }1 l* C/ w' J > to a printed circuit board with header connector.
$ P5 S' ^, [. }/ q* P- S>
; h2 F( A. j4 T> At this time, we are interested in samples of a pair of modems that
7 Y$ c9 c" n0 ^6 R+ n/ _/ I> might be similar to this proposed system. We do not expect that you
' M7 b. r5 C: {. Y> provide all of these specifications at this time. I can describe our
: {) {% ?! H6 i> immediate application needs in the next email if this project is of
2 Z) I: j2 r8 {- z; {: T# ~ > interest to you. Perhaps you can make the samples by those
" o( |4 n% A0 _. E. l( m2 V> specifications. This will allow us to test your radios before we move
* d6 i- ~- l" U% G+ H% y7 K > forward. We are interested in your 900MHz radio to start.
+ S9 i' e, u( q1 t
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