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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

( ?: m( \8 |2 q1 Q; w! |, `" ^客户要求如下,如果哪家工厂可以做,请和我联系
+ r' O) ^3 b3 ^5 R/ B& | > The application that we have in mind is similar to others that we commonly
8 c) R; }; j4 h( I- }: ]/ K7 j > have. If we were to pay for FCC approval, we would want to use the modem
8 S8 |% p, H6 M) B! s4 z > units in all similar applications under the same approval number.
; K& A0 x( ]7 E# J; U( {> Therefore, we would like to be able to configure the units to a specific
: w( v# o8 K3 s5 t, z6 Z > application. For the business that we do, this approach will yield more
$ W# s: X* X9 ~% g$ X > sales based on the same product and approval. We are interested in the
) L- @$ X: V3 o% T+ `; e& i, A> following specifications:
' ~8 Z( b& Y/ o: V5 T+ j# {>
' n" D$ R% M, l% @% S5 A& T, X> - 2 inputs at the Transmitter with three possibilities;
( T- F! ]2 Y, G. X3 [* R4 L > 2 analog
( ]7 I0 j: f! y% [- \" o3 u > 2 digital
, E$ [; I- h$ @' { > 1 analog and 1 digital
/ \1 I. o* ` T8 u >
' g9 i2 J1 M9 p6 b6 ^4 L> - 2 outputs at the Receiver with three possibilities to match inputs
4 Y8 B/ y; P+ |8 ?9 G >
) B7 ~* s& L$ k) }% r# U6 \> - Ability to configure/define analog Transmitter input ranges through
. ~* d/ |0 X) @6 R( J8 P > simple programming method to correspond with full-range analog Receiver
4 D! b# U! N0 u3 l4 o( Z* y8 e( j> outputs (0 - full voltage).
0 T- E1 e- n+ Q3 j ?# R >
# I. J) v& m9 ]- T) v > - Ability to configure and set sample rates for the inputs.
# @8 G% S/ [ j$ r+ k6 ^. M >
3 G2 Z; n' p' s* p/ l6 c > - Digital output on Transmitter that turns on during the sampling period.
( D/ O: d" m1 Z: s5 a, W2 d; Q>
. g* Z7 _) N- s9 H8 Q> - Ability to configure a power saving Sleep Mode in the Transmitter by
; b' d; E5 j8 X7 | > both software control and input hardware control.
% z" o# S! T2 A7 N8 `>
x0 a- P9 {! h" H- z; i! f9 I8 W' z7 I> In order to configure the units, we would need a way to make the
+ t" G; u' l" L+ E> settings. This would preferably be from a computer terminal so that
$ v S: c3 L* M1 _% y) d% c> configurations can be saved or easily duplicated for production volumes.
5 [, T" d* i7 s- } > The units should be small and compact with shielding, and able to mount
, X4 ^" D0 O, m& m( M > to a printed circuit board with header connector.
$ }1 f4 Y! q% \4 [3 z/ W# K, n>
$ L+ h! N" L: M. w > At this time, we are interested in samples of a pair of modems that
1 R# y1 ~, Z0 T3 v> might be similar to this proposed system. We do not expect that you
( N7 |* s* T" r+ [" R- w: S > provide all of these specifications at this time. I can describe our
( C& R1 c1 c6 M" O6 r0 H/ [ > immediate application needs in the next email if this project is of
- m, e0 Z9 y3 i. a> interest to you. Perhaps you can make the samples by those
/ T3 l- k4 N4 @3 F > specifications. This will allow us to test your radios before we move
?% a# e% n+ @; S> forward. We are interested in your 900MHz radio to start.
6 r4 Y4 X) {; W. d5 s* O0 Q7 |& P
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