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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

2 g' a9 K; n8 K2 J1 x客户要求如下,如果哪家工厂可以做,请和我联系
5 e9 s7 Z3 m- @. F& E > The application that we have in mind is similar to others that we commonly
x' H1 y# V6 W Y# B+ }# R% E> have. If we were to pay for FCC approval, we would want to use the modem
4 o" {' E- l5 @8 K > units in all similar applications under the same approval number.
) P9 s9 x+ f; _. D> Therefore, we would like to be able to configure the units to a specific
4 k% B3 `# I# w > application. For the business that we do, this approach will yield more
4 R- w: D; z% [0 y) G E> sales based on the same product and approval. We are interested in the
( \( J9 Y+ f4 u3 \ k2 n > following specifications:
/ }# ~. i B4 P1 D+ E9 T' r8 r>
S, c; M0 E1 M G6 |2 Y > - 2 inputs at the Transmitter with three possibilities;
+ i8 |+ q& v7 K. i$ J; G" p8 m9 h, c> 2 analog
% u. n1 Q* P1 u) R6 J> 2 digital
2 B; j2 p! f6 u. Q5 p > 1 analog and 1 digital
. {# F9 m2 E& W! f>
0 ^1 T: F* U1 }# y d3 k" E' ^. @ > - 2 outputs at the Receiver with three possibilities to match inputs
0 } i- |0 }& \ >
* p% r2 I h9 X% b > - Ability to configure/define analog Transmitter input ranges through
: q7 m P" U5 D* P3 q> simple programming method to correspond with full-range analog Receiver
0 \' N# ~* j D! M4 Y6 i> outputs (0 - full voltage).
+ t. g* b( h, g8 a >
9 S9 J# k; H, E0 I& T% } > - Ability to configure and set sample rates for the inputs.
# ^. a$ X, }6 t p; ]>
( V) S0 q2 n& l3 t/ S' m> - Digital output on Transmitter that turns on during the sampling period.
/ ^0 \+ X( N0 ]2 `6 o >
3 ^0 ?% ` L* R I n- c5 ~> - Ability to configure a power saving Sleep Mode in the Transmitter by
6 P6 w/ z1 q7 T2 _8 L0 X- S > both software control and input hardware control.
& `! F3 d! X6 u7 |* l+ i >
1 Y3 i" B# t$ U& a& g" \& w1 M% h > In order to configure the units, we would need a way to make the
$ \1 v: H q8 l) ]+ ~0 v5 T+ ] > settings. This would preferably be from a computer terminal so that
( m% P/ L( D+ h- g7 P# J h. d> configurations can be saved or easily duplicated for production volumes.
' ~; u- K5 A( o2 G( O4 E4 E > The units should be small and compact with shielding, and able to mount
9 Z! U. M' u' M) E. P2 s: K7 f> to a printed circuit board with header connector.
. `# ^+ ~& a* M/ D3 u, k>
, O# M' h, c! {+ V0 ~> At this time, we are interested in samples of a pair of modems that
$ X# @7 o, K3 W1 c" Z4 {> might be similar to this proposed system. We do not expect that you
5 ] o1 l1 ~, t5 a > provide all of these specifications at this time. I can describe our
# K" t$ L* r: {+ U: r; j, P; N5 K! I > immediate application needs in the next email if this project is of
9 z+ f+ {$ a, w5 R: V' ^# r> interest to you. Perhaps you can make the samples by those
K+ N6 z( J) s* P> specifications. This will allow us to test your radios before we move
; |8 J/ r5 n; v6 T h> forward. We are interested in your 900MHz radio to start.
4 U. M7 H% V( v; w, l, D
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