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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

6 y, g n# z3 U% R) i客户要求如下,如果哪家工厂可以做,请和我联系
Q+ n1 b. e& |> The application that we have in mind is similar to others that we commonly
J) z7 H3 q: v& H. X/ r9 E0 w > have. If we were to pay for FCC approval, we would want to use the modem
+ a1 n1 Y2 w5 s) m( E4 F > units in all similar applications under the same approval number.
# @ i% q& X3 | L> Therefore, we would like to be able to configure the units to a specific
. }+ p9 d: a! Z9 A9 K: ^/ H > application. For the business that we do, this approach will yield more
5 Y$ [; B- K5 u> sales based on the same product and approval. We are interested in the
/ r, d1 u; k( N- e& Z; Y > following specifications:
4 w3 d \) f" `9 h; g4 S/ L. \>
* V$ ^2 g' m; _! ^> - 2 inputs at the Transmitter with three possibilities;
/ U1 I6 Z1 B8 g* I) M> 2 analog
2 D/ n9 D6 S7 Y X6 z> 2 digital
! E# t5 l/ H; j! y) f> 1 analog and 1 digital
- v. I4 D, h a* Y) Y, A+ x>
% x1 |1 }( p. ?4 H; M0 E$ k> - 2 outputs at the Receiver with three possibilities to match inputs
3 D5 r9 ]7 r4 R+ i& p" H/ f>
- g( o$ j' \* ^+ I/ d# B; y+ ?> - Ability to configure/define analog Transmitter input ranges through
F6 s) ]4 q. `2 N/ w > simple programming method to correspond with full-range analog Receiver
( c" O% N8 V3 o* s" s- [( v> outputs (0 - full voltage).
# R$ Z n( b) V2 Z( D9 [! G' X3 w7 k >
1 N$ }4 ]- q* u. g1 W% G: M > - Ability to configure and set sample rates for the inputs.
+ Y& q2 |! N P' U& v+ X>
# a% |- E: w1 l > - Digital output on Transmitter that turns on during the sampling period.
P1 q( f6 o" n >
/ Y/ n7 u' r7 v4 u> - Ability to configure a power saving Sleep Mode in the Transmitter by
) q8 S8 f9 [" ^> both software control and input hardware control.
( |# {. l4 t F! p: p" L4 e>
, x7 \: y V; w2 o6 z0 b7 T> In order to configure the units, we would need a way to make the
0 i8 l+ Y+ D& K1 U& U4 g8 f/ m > settings. This would preferably be from a computer terminal so that
1 R! `, F! o% \7 N+ u; Z- z > configurations can be saved or easily duplicated for production volumes.
8 Q% h0 g: k% ?> The units should be small and compact with shielding, and able to mount
- W, x/ A6 G) u0 ?> to a printed circuit board with header connector.
$ b+ j. A( J1 y0 |1 L3 I>
/ j. R( n* z, s> At this time, we are interested in samples of a pair of modems that
, K4 f* q+ U, H c> might be similar to this proposed system. We do not expect that you
% e+ b. m( r0 T4 ]3 I: C7 F5 B> provide all of these specifications at this time. I can describe our
3 _9 B& S4 @3 ^ > immediate application needs in the next email if this project is of
; h7 ~! {% O( Z( g; b C7 J > interest to you. Perhaps you can make the samples by those
" n' o+ r# }5 N d > specifications. This will allow us to test your radios before we move
" m9 R0 W2 t$ y4 F" A8 E7 a; e8 p > forward. We are interested in your 900MHz radio to start.
, N0 m1 h* |. N" X+ H* @. W
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