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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

! U) ?6 X& y3 i* q客户要求如下,如果哪家工厂可以做,请和我联系
; R. m. Q X+ r* G2 D' J& V > The application that we have in mind is similar to others that we commonly
* @6 W- S4 y* f! P > have. If we were to pay for FCC approval, we would want to use the modem
: Z- }% G4 O! d `- ^+ V> units in all similar applications under the same approval number.
/ R* {8 p& | @( K; W( G3 s, u# E> Therefore, we would like to be able to configure the units to a specific
# ]" [4 R+ l1 W3 a8 l: O# }> application. For the business that we do, this approach will yield more
D: f! X+ w. h C1 t. ^3 H' J> sales based on the same product and approval. We are interested in the
# G# X6 P# G1 \9 F3 X# y > following specifications:
6 C! B% M3 m8 k5 m( A >
) f- x8 \7 [5 } ~/ D$ d/ p% N$ E > - 2 inputs at the Transmitter with three possibilities;
+ G6 p0 F( g& o9 A > 2 analog
1 a$ h/ D1 r$ w3 w+ J. \> 2 digital
! R. y s8 [# n- A: _7 v5 _& S! N > 1 analog and 1 digital
$ @% E4 y8 q% R+ _>
& p6 Y: E# C' z) a+ A > - 2 outputs at the Receiver with three possibilities to match inputs
' L/ [; L: A$ z& U2 h( D3 p>
8 F2 ]) L' b& r+ j; m- p8 e* y/ a> - Ability to configure/define analog Transmitter input ranges through
* g8 m0 r" `' ?4 w4 U Z > simple programming method to correspond with full-range analog Receiver
/ P6 {: _3 M4 x( ^5 q! E Z W& L5 G > outputs (0 - full voltage).
/ Q8 I4 D; \; w >
. g! q1 F* U8 b: T8 r: _# x > - Ability to configure and set sample rates for the inputs.
3 B7 q3 I/ e2 j) W >
, J- _/ T+ H: `# R& Q. S/ H- S> - Digital output on Transmitter that turns on during the sampling period.
: C: e9 _* _- w3 G* @1 q, z" \6 y >
@1 X: ?7 D6 r5 @. ?6 g$ b6 H: }: u; p> - Ability to configure a power saving Sleep Mode in the Transmitter by
; O3 Q9 N! u* ?1 `1 E> both software control and input hardware control.
o: x1 Z" z/ G c( p. w4 | >
6 U+ i7 t. r# p; ^( X > In order to configure the units, we would need a way to make the
" u6 w5 f! a% h> settings. This would preferably be from a computer terminal so that
! r: F! P0 b N. _8 ] > configurations can be saved or easily duplicated for production volumes.
4 f* c2 |1 S* L > The units should be small and compact with shielding, and able to mount
' |) n: y) M9 [5 L/ S1 N; s+ L> to a printed circuit board with header connector.
2 O6 X0 X( X5 q: @; P+ [7 G* c' m >
% l* Z1 E* O5 w > At this time, we are interested in samples of a pair of modems that
8 x& {, \4 i8 ?9 b4 B% F> might be similar to this proposed system. We do not expect that you
& T; U8 M' j& h* v* ?2 Q > provide all of these specifications at this time. I can describe our
5 `- F3 f0 Q& c3 M8 o> immediate application needs in the next email if this project is of
8 I! m w* t, k( c# o" d/ m& L" c > interest to you. Perhaps you can make the samples by those
9 C+ G. z6 Z! i8 v" P- z( @ > specifications. This will allow us to test your radios before we move
# Y( L$ e+ J. Z( l& k. C3 U> forward. We are interested in your 900MHz radio to start.
* d* O0 ?2 e8 Y" m; H5 b/ }4 v
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