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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

, Q# j* k: b8 Y. H& d 客户要求如下,如果哪家工厂可以做,请和我联系
" b5 `. i3 g- e# u# {- T9 n. z> The application that we have in mind is similar to others that we commonly
4 i) o; L b1 i6 h> have. If we were to pay for FCC approval, we would want to use the modem
* i9 g( ~' ^* y/ X> units in all similar applications under the same approval number.
. }& f: I- p7 |9 E! G& U> Therefore, we would like to be able to configure the units to a specific
# @' C. q& p6 y h: i> application. For the business that we do, this approach will yield more
' F' j* K @. G4 s5 r; K% o4 i) J > sales based on the same product and approval. We are interested in the
6 W, C) z- h! R, t+ `& l > following specifications:
- K% C- q% M) _( C >
, i M+ `1 c3 M0 I4 {8 q& v7 T$ Y> - 2 inputs at the Transmitter with three possibilities;
+ L5 V( c6 u3 t% j1 x' t+ f> 2 analog
: r: F; F0 @' `% a" M; \# X> 2 digital
8 ~9 D+ q# k9 |1 ?& V: q> 1 analog and 1 digital
- ~6 O: ^2 a6 M7 T" |- X>
" z6 {" M( [' J* n > - 2 outputs at the Receiver with three possibilities to match inputs
6 e1 a) ^ i" Q K >
8 P9 c$ e9 F% w4 h- k > - Ability to configure/define analog Transmitter input ranges through
: M0 S) Z4 X1 f! K5 F! q$ ^5 | > simple programming method to correspond with full-range analog Receiver
6 t/ f. ], u+ Y& a- Q* j1 n1 T > outputs (0 - full voltage).
; S" M0 b; e3 u" Y5 W>
4 K' Z: S9 Y& V1 C( C- @% U! b > - Ability to configure and set sample rates for the inputs.
g% [3 A7 e( Z# h! J >
* n6 E* w, R/ [( X! T > - Digital output on Transmitter that turns on during the sampling period.
- X1 M& c: n/ l5 v, W$ @0 Q+ G>
- i f6 A+ o. ?6 f T > - Ability to configure a power saving Sleep Mode in the Transmitter by
: @& F+ [7 V0 N( O> both software control and input hardware control.
. e8 Y6 |) A& O( N >
9 F8 }; C/ v/ s: N% J* d > In order to configure the units, we would need a way to make the
F- V. B. v" M2 t: {) f+ [> settings. This would preferably be from a computer terminal so that
0 [+ r; A9 T) d# ` > configurations can be saved or easily duplicated for production volumes.
% t" J/ s& I+ _: W' ~* m5 e > The units should be small and compact with shielding, and able to mount
$ t0 J/ V F. l! Y. {0 v0 z$ Z& d- @ > to a printed circuit board with header connector.
+ ?' O2 ?. d# S( d0 t >
$ Z8 h) _8 X7 Z" H$ \# G N > At this time, we are interested in samples of a pair of modems that
2 S9 _6 h- e8 v7 B8 r" ], N> might be similar to this proposed system. We do not expect that you
( V. \# H0 ?( N& W4 r > provide all of these specifications at this time. I can describe our
- U, {3 a$ E$ `$ D> immediate application needs in the next email if this project is of
: s1 c$ F" r* U* Z9 y' F> interest to you. Perhaps you can make the samples by those
- A: Y, V5 m, N$ K; Q> specifications. This will allow us to test your radios before we move
& F6 z* d6 ] u. J4 r> forward. We are interested in your 900MHz radio to start.
: `& h5 x$ `7 U. F% y2 ?" v2 K0 Q
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