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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

: f7 I: Z; V1 G- K 客户要求如下,如果哪家工厂可以做,请和我联系
1 Z0 K: J0 x: w> The application that we have in mind is similar to others that we commonly
7 O4 E% `" i' M; }3 |> have. If we were to pay for FCC approval, we would want to use the modem
1 x6 k. m' Y) p( U+ A > units in all similar applications under the same approval number.
, q& D* }; j: v) [/ g. H6 i1 B; B> Therefore, we would like to be able to configure the units to a specific
" t8 w5 D* O e> application. For the business that we do, this approach will yield more
% K3 ?0 s1 H' E. o2 v2 L > sales based on the same product and approval. We are interested in the
$ O$ g, S7 y1 Z5 ]" U4 o > following specifications:
& }3 j6 e9 P$ I- {; g>
$ u: | q" o1 e N( S > - 2 inputs at the Transmitter with three possibilities;
4 z- p7 a- z- H, [& {" t1 G% x: Y6 a > 2 analog
7 J! M' Z X4 H# Q. _3 O > 2 digital
0 {# T6 S2 M6 ^) z! D/ B > 1 analog and 1 digital
, i8 g' d x& h& G8 F, v >
1 b; ^- @! Y8 z& U) p7 h/ Q/ g! s> - 2 outputs at the Receiver with three possibilities to match inputs
, C. a. u4 m# N2 d >
3 K- w5 V) v3 a8 ?> - Ability to configure/define analog Transmitter input ranges through
! k8 \7 r& h5 d$ \( ]4 ]5 `> simple programming method to correspond with full-range analog Receiver
5 N6 A- L% m) q; V5 [* x> outputs (0 - full voltage).
: r7 j, k7 F3 Z3 ~: g+ C6 ]. s>
D9 L2 l$ U) D. Q& z# O > - Ability to configure and set sample rates for the inputs.
7 A# g/ f. }- L0 I3 d >
h- A4 E4 E/ I- }8 C0 p+ U: @> - Digital output on Transmitter that turns on during the sampling period.
$ ^8 e7 o9 z) f( s+ {$ R4 X>
/ v7 K E$ L& N) A. l" w8 Y. ~1 p0 ]; H> - Ability to configure a power saving Sleep Mode in the Transmitter by
( l" L) n/ Y& \3 c( k> both software control and input hardware control.
: i, Y; ^) S1 l$ c) u6 I7 e0 u>
1 V4 \! y6 B0 D& L+ k7 Q$ |8 h > In order to configure the units, we would need a way to make the
0 }: w, h# n$ C5 ~2 A2 b> settings. This would preferably be from a computer terminal so that
4 y6 Z M) W* `- K2 H/ }0 S8 K> configurations can be saved or easily duplicated for production volumes.
2 c$ `$ ^# h- w( D> The units should be small and compact with shielding, and able to mount
0 {- t* w0 h" G, u6 I > to a printed circuit board with header connector.
7 m0 A# `" F/ e8 J% c9 `0 w- u>
( V0 j8 V/ p! @9 L+ I% _1 r > At this time, we are interested in samples of a pair of modems that
; B: D& y4 }2 U* X( J5 N$ A$ e > might be similar to this proposed system. We do not expect that you
! y( V% @4 V& H2 N$ f> provide all of these specifications at this time. I can describe our
. @, B/ V2 h+ u( {1 @& v7 X( L& r > immediate application needs in the next email if this project is of
1 b2 i" s% {, f. V& q > interest to you. Perhaps you can make the samples by those
: V' U: f* \, o( T! I h% [ > specifications. This will allow us to test your radios before we move
: S7 y- Z" O0 Q6 a; S > forward. We are interested in your 900MHz radio to start.
Z$ B9 B1 n) U" P5 y- i. x1 E
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