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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

* w0 R2 M% G, B: l! S4 I) Q% N客户要求如下,如果哪家工厂可以做,请和我联系
1 v: g: e0 y( D5 X4 [ > The application that we have in mind is similar to others that we commonly
; z N# q& x/ J8 ?9 H > have. If we were to pay for FCC approval, we would want to use the modem
f; D+ s$ v2 g/ i! f > units in all similar applications under the same approval number.
2 B Z' E; ?3 q" P) z! c> Therefore, we would like to be able to configure the units to a specific
& j0 D6 Q4 |% f> application. For the business that we do, this approach will yield more
0 u+ I8 C! Q, b7 ]6 d- \2 P5 ^" I) | > sales based on the same product and approval. We are interested in the
/ V+ l: a. d: M3 X> following specifications:
1 ^' H& f( M2 p! h3 K>
+ J6 R/ H3 M+ \* _ ?9 c" I> - 2 inputs at the Transmitter with three possibilities;
7 O8 H& ]* m* ]3 l+ P F! u" s# @> 2 analog
" ?6 q' `. [* W( n$ @ > 2 digital
, M$ w; i- h# c, m$ s7 P7 Q> 1 analog and 1 digital
6 B1 J( M% _/ t! e; {>
: p7 I" N8 I3 p5 N: S> - 2 outputs at the Receiver with three possibilities to match inputs
7 j9 X7 M2 S$ x: e: b) y/ q0 h >
/ z- R1 R* [- d i0 o1 f1 v. a > - Ability to configure/define analog Transmitter input ranges through
( B! U6 N7 X( q7 Q3 w6 M8 v > simple programming method to correspond with full-range analog Receiver
) f# @, d2 i/ a6 E> outputs (0 - full voltage).
% n3 ~0 ?+ k8 l >
" b7 T3 [ y2 t k# D > - Ability to configure and set sample rates for the inputs.
8 ~6 ^+ q) b0 u* V2 j8 a; A; T. M' W& n3 A >
6 w; y, r( |* `9 G9 x> - Digital output on Transmitter that turns on during the sampling period.
3 c$ e ` D& x* K- l>
6 O. v6 u3 V) [ J4 f- ^> - Ability to configure a power saving Sleep Mode in the Transmitter by
0 J6 P7 m) n$ W0 f6 ]) c; h! ~ > both software control and input hardware control.
T' I) S% k4 f8 I >
- o: S, ]$ w. Z( }> In order to configure the units, we would need a way to make the
7 U+ e. o$ w+ D6 T& Y> settings. This would preferably be from a computer terminal so that
5 V) c1 v3 G1 r# n > configurations can be saved or easily duplicated for production volumes.
, @* J) d+ q* \> The units should be small and compact with shielding, and able to mount
) b, V7 [$ Y8 ^9 g" H> to a printed circuit board with header connector.
/ K7 n* t8 G9 d) l" r# `>
! t [9 Q" u4 F% O! v! g- \ > At this time, we are interested in samples of a pair of modems that
l+ T8 b% y1 |$ D7 j > might be similar to this proposed system. We do not expect that you
8 c+ G& _6 g+ s; W5 g+ Z% I7 ? > provide all of these specifications at this time. I can describe our
/ h( i: {8 z2 Y7 P3 h! j > immediate application needs in the next email if this project is of
9 @& e/ E* r$ `4 ^7 d# Y! H s: |6 \> interest to you. Perhaps you can make the samples by those
- P) P( J& P6 v B- N0 a3 z4 x> specifications. This will allow us to test your radios before we move
' h+ y4 Z* V, F > forward. We are interested in your 900MHz radio to start.
6 ?: |3 K7 e: e
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