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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

: S5 v$ C2 e6 G! I1 w$ ^客户要求如下,如果哪家工厂可以做,请和我联系
* c+ i4 m+ J& m+ N Q& B > The application that we have in mind is similar to others that we commonly
/ a$ G1 [/ l1 v6 x! S4 \ > have. If we were to pay for FCC approval, we would want to use the modem
6 X+ O: c# _8 N+ u8 [+ \8 W$ ~2 a > units in all similar applications under the same approval number.
; t: e; `6 N& c0 X- K> Therefore, we would like to be able to configure the units to a specific
0 _# p' i8 J: ~3 ?' e: w1 t> application. For the business that we do, this approach will yield more
+ \; b7 e/ @3 W > sales based on the same product and approval. We are interested in the
; S ~4 |% @; y1 E1 e3 J3 }* C* @ > following specifications:
y) H% G7 Z$ c>
3 v1 Q# D& {# [7 r/ ?, K > - 2 inputs at the Transmitter with three possibilities;
& h0 m: m6 _9 S+ k# ~7 b c > 2 analog
( P! y. M; l& A# C- n1 ] > 2 digital
' q0 y" K- {' f: y0 N' Y1 W# A> 1 analog and 1 digital
) T6 e6 N0 a* A >
# c" ]. G7 w; D3 N% ^6 }2 ? q L> - 2 outputs at the Receiver with three possibilities to match inputs
6 |" ^* P: [3 \' o>
7 X. V9 X9 ~* _3 E y> - Ability to configure/define analog Transmitter input ranges through
5 p2 \/ G* r/ T$ j& Q0 L > simple programming method to correspond with full-range analog Receiver
, |- ?$ ?! n) D; l" B> outputs (0 - full voltage).
* D# u+ k; P/ j' j p>
; n, T# R" J5 S9 o+ C5 M E > - Ability to configure and set sample rates for the inputs.
* F+ D7 l2 K! C, E9 `8 v>
* |% v: S% m [* i' @; R> - Digital output on Transmitter that turns on during the sampling period.
1 g, z5 g5 @. }! A- T>
0 r, T; d# t2 _, H1 T) T; D> - Ability to configure a power saving Sleep Mode in the Transmitter by
8 x: [6 _: l% h5 s > both software control and input hardware control.
q- w& C9 [, @' }; B F>
. C4 r U+ \0 X5 x& e> In order to configure the units, we would need a way to make the
( h4 p/ x. t' u! A> settings. This would preferably be from a computer terminal so that
+ Q) ^, i. p1 j$ V> configurations can be saved or easily duplicated for production volumes.
a6 U8 R3 i r6 u, C > The units should be small and compact with shielding, and able to mount
& `! n, o% `7 m* s, u+ f' h( V> to a printed circuit board with header connector.
+ `4 c, G* O* Y8 @* Q5 I >
; [ \ K! U J& q- ~ > At this time, we are interested in samples of a pair of modems that
$ s' V$ O2 [( T+ I6 o9 }, j > might be similar to this proposed system. We do not expect that you
' \" s& k- O# ?, |+ a > provide all of these specifications at this time. I can describe our
! w% B n$ x& T/ T. r! A> immediate application needs in the next email if this project is of
) X" H" Y1 b5 F( ] Y" ? > interest to you. Perhaps you can make the samples by those
4 U7 G, {( a; _! l3 d> specifications. This will allow us to test your radios before we move
- R' _1 |. F: h" \; t$ O; E > forward. We are interested in your 900MHz radio to start.
( E; d3 _- Z% D# O. o5 `! J4 a0 _
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