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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

1 a$ c$ `# v8 P. m2 T客户要求如下,如果哪家工厂可以做,请和我联系
$ y2 W! I: c4 R, q9 [2 e6 h > The application that we have in mind is similar to others that we commonly
1 C; }7 f% `. |% c' l* K > have. If we were to pay for FCC approval, we would want to use the modem
) m0 x2 W w% w" _2 c1 G; l C; ] > units in all similar applications under the same approval number.
- O7 k2 t; Y! u! M- q% w7 y5 [; A > Therefore, we would like to be able to configure the units to a specific
0 }. L* F8 R; s. N3 R > application. For the business that we do, this approach will yield more
. B! Q1 m5 o7 W. R' P* P0 v > sales based on the same product and approval. We are interested in the
' A4 p( @% t- c! z' j7 Q > following specifications:
& s0 R! T( ]" P+ g >
% {; F$ q8 D5 i6 r+ B0 ? > - 2 inputs at the Transmitter with three possibilities;
$ S' B$ M; i( R: w: p > 2 analog
; P# {- Y7 [# I; a# X7 P2 M > 2 digital
" Y! j2 `8 R3 R+ [5 M > 1 analog and 1 digital
9 Q* a2 [! H' i/ h>
3 v8 z9 t7 X& W: A/ L> - 2 outputs at the Receiver with three possibilities to match inputs
3 p; w3 g+ J) I' p0 Y# _5 ^>
3 ?7 ], d% R; o u1 V> - Ability to configure/define analog Transmitter input ranges through
# J9 ]. ?! L, z0 A) } }& @9 k > simple programming method to correspond with full-range analog Receiver
3 G6 ^( y& r( C > outputs (0 - full voltage).
. c0 r% N, q7 u >
# T- W& @( c4 H: x& _( j, v( \) D > - Ability to configure and set sample rates for the inputs.
+ S w1 U; O: N5 j j. s. {1 }>
' n1 i- P7 U% o- G$ N' y > - Digital output on Transmitter that turns on during the sampling period.
' M" H2 k5 {9 B5 P/ u! k r" {) D0 ?>
! |# U* N( K' h; B6 |! C. h7 Y> - Ability to configure a power saving Sleep Mode in the Transmitter by
+ b! G, r, k, ~& g > both software control and input hardware control.
0 d; t. z3 ]# x, x! d7 j2 u >
$ {' P! ?8 @$ t2 W" N$ k% x > In order to configure the units, we would need a way to make the
! I g. J: K: z > settings. This would preferably be from a computer terminal so that
3 T9 Z5 X# B( f2 V# \# j7 p+ D% b > configurations can be saved or easily duplicated for production volumes.
+ K) B9 J' l, E5 p> The units should be small and compact with shielding, and able to mount
' p u I( K, w3 O7 ~ P> to a printed circuit board with header connector.
. Q# P0 ~7 j# e% b. _1 O' Q" z>
& }" s% P: J/ L2 a- [> At this time, we are interested in samples of a pair of modems that
0 l% _0 G1 d1 N" R > might be similar to this proposed system. We do not expect that you
+ Q1 ]* M/ D1 n3 q# V8 A- Y/ h0 N> provide all of these specifications at this time. I can describe our
8 N* W, H/ A: E4 _$ n > immediate application needs in the next email if this project is of
5 v0 E( p" P, j1 u; L; P> interest to you. Perhaps you can make the samples by those
; s3 Q4 W( Y7 y- s7 ^> specifications. This will allow us to test your radios before we move
- r& `- i5 Q( [: z" \: }9 R9 Q4 E+ G> forward. We are interested in your 900MHz radio to start.
) D) Y3 s& {5 w" Z. O4 I( ~
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