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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

% Y: g4 I, K0 R3 C, R客户要求如下,如果哪家工厂可以做,请和我联系
' Y2 n+ b/ f/ U3 D4 X! x > The application that we have in mind is similar to others that we commonly
# f: D5 ]% v' {6 V# O> have. If we were to pay for FCC approval, we would want to use the modem
( X3 @+ o% V3 N% F4 W > units in all similar applications under the same approval number.
5 K/ h; l, k9 F: W" _& T: r> Therefore, we would like to be able to configure the units to a specific
V1 r# F7 o6 v1 e z > application. For the business that we do, this approach will yield more
% L8 w8 c5 |7 I! v4 O > sales based on the same product and approval. We are interested in the
9 a2 N3 u/ Q2 e& V$ Z1 p > following specifications:
" c, u: h; c6 G U/ p >
4 P% P( {; x7 L, B7 j9 t7 z > - 2 inputs at the Transmitter with three possibilities;
( s" g ]2 F# e1 _% ^, M> 2 analog
/ D5 c+ E9 R: D7 i% o+ I+ y% ~> 2 digital
4 ^+ n8 C5 c I2 s0 Y/ s9 o: L! k> 1 analog and 1 digital
: O0 i! L5 r W6 H' n>
5 }9 A8 s1 d6 F( D5 ]3 L% G7 ] > - 2 outputs at the Receiver with three possibilities to match inputs
9 O& n4 L i7 h& R1 f v3 k>
) \* q7 E/ e- k. W6 v3 u6 |# ?; r> - Ability to configure/define analog Transmitter input ranges through
3 @8 A8 H# x, N8 m> simple programming method to correspond with full-range analog Receiver
( c2 x& o+ _# c' j2 t> outputs (0 - full voltage).
, Z8 g9 @2 A: C2 n >
, z0 w( l* u1 ~8 V1 |8 |> - Ability to configure and set sample rates for the inputs.
; e. h9 I y; @. j5 v6 ]+ A1 m, r9 k >
! f+ M" ^! _# G > - Digital output on Transmitter that turns on during the sampling period.
; z$ @, ^' H& J$ N$ b >
9 \% C/ b- Z8 L# _( e > - Ability to configure a power saving Sleep Mode in the Transmitter by
, R0 v! O8 T3 [# L7 C5 p> both software control and input hardware control.
/ d! S1 o3 J) u1 b2 p8 Q>
l, p# ^7 B/ z/ P0 \5 }# k S> In order to configure the units, we would need a way to make the
1 p5 }2 d, R$ I7 T# Y7 ~5 _0 ^; k > settings. This would preferably be from a computer terminal so that
/ z) Q5 ~- c% ^0 T > configurations can be saved or easily duplicated for production volumes.
# I% j+ Q/ ^3 ]3 L5 B& _* f> The units should be small and compact with shielding, and able to mount
# T9 t) r: m3 q* r/ P > to a printed circuit board with header connector.
4 Q+ x1 ~7 y: B* b>
: H2 `5 z3 m w! \5 g' h1 C> At this time, we are interested in samples of a pair of modems that
1 {; I, O( h. Y; `% R$ w> might be similar to this proposed system. We do not expect that you
9 H6 d; R0 S) h+ c+ t> provide all of these specifications at this time. I can describe our
B+ y/ E0 P: U* Z- V> immediate application needs in the next email if this project is of
- n! }4 e& R. Z( m8 I8 I> interest to you. Perhaps you can make the samples by those
) d/ f: ]. b, k! T0 T r7 E > specifications. This will allow us to test your radios before we move
* P4 d9 m) G2 k/ P$ t9 r > forward. We are interested in your 900MHz radio to start.
- K8 s% R4 r' H1 `
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