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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

7 V7 j+ g7 C3 p! [7 z5 J" B( f' \客户要求如下,如果哪家工厂可以做,请和我联系
V" y+ x7 Y7 L0 \8 }& k$ @> The application that we have in mind is similar to others that we commonly
) z. g6 \9 B& _! `9 j" S > have. If we were to pay for FCC approval, we would want to use the modem
y5 ?4 U) B) U9 V( C# j- e> units in all similar applications under the same approval number.
9 L+ V- F+ u: @2 f> Therefore, we would like to be able to configure the units to a specific
; }' q. _6 K9 s" V) ~0 {, L > application. For the business that we do, this approach will yield more
# r: O4 \# f0 |8 I9 n0 Z- Y) T > sales based on the same product and approval. We are interested in the
4 V+ p# ]3 M: L: ]- t > following specifications:
1 O2 l+ m/ D! _* G8 s$ t( j! a>
! o( @9 s9 {7 T! B > - 2 inputs at the Transmitter with three possibilities;
9 V# B1 {3 j* \6 S# g2 ~ > 2 analog
" U) Y- `, |7 x p8 l> 2 digital
& H% a9 K# k& V, f> 1 analog and 1 digital
! A" y5 d% }9 u& n0 X>
% Y! }# w8 z- i5 Z > - 2 outputs at the Receiver with three possibilities to match inputs
0 f# D% a/ w( E: N! L. u>
; [/ w1 U c& q6 _$ h3 P2 t > - Ability to configure/define analog Transmitter input ranges through
' c. y9 A+ g: z; E > simple programming method to correspond with full-range analog Receiver
0 p* b0 L, E. \( p> outputs (0 - full voltage).
3 s" ?# O( E1 b3 D >
. g* \* J: [8 f) ]' H> - Ability to configure and set sample rates for the inputs.
: X: E% f7 B( V# z3 o, @>
/ j R" f. u% L5 _& d) a> - Digital output on Transmitter that turns on during the sampling period.
" U4 h1 X$ H# {; n U+ E! E) ?7 F >
. p9 D" f, R- |/ Y- x> - Ability to configure a power saving Sleep Mode in the Transmitter by
5 i8 D7 I+ j; G6 u. N/ M2 u > both software control and input hardware control.
0 _/ e* Z% W0 F4 H6 p>
2 U$ m! K( ]9 u1 i% z! W> In order to configure the units, we would need a way to make the
2 X/ _9 |# o5 {4 |% y) `> settings. This would preferably be from a computer terminal so that
1 {' c9 k# `" L+ P8 j6 C > configurations can be saved or easily duplicated for production volumes.
/ R' J& I$ |( K* [0 a+ E> The units should be small and compact with shielding, and able to mount
" r0 ?. i3 m3 L3 h9 A > to a printed circuit board with header connector.
3 k3 _& d* o y>
{/ {& z1 c1 j > At this time, we are interested in samples of a pair of modems that
1 g$ L; V% E+ Y8 }% ~9 h > might be similar to this proposed system. We do not expect that you
; _: I+ e) l# ^> provide all of these specifications at this time. I can describe our
7 V I4 {6 g( l6 j > immediate application needs in the next email if this project is of
! Z! n, G- q K! L8 v2 n+ T } > interest to you. Perhaps you can make the samples by those
+ g; A& X9 h6 b1 p! u> specifications. This will allow us to test your radios before we move
" @, N, ^1 J* h3 a0 c8 l- T( {% {> forward. We are interested in your 900MHz radio to start.
0 d8 ?: `# e( _. B/ [4 E+ B% H
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