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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

+ h* q9 s7 {7 I1 k/ t' I 客户要求如下,如果哪家工厂可以做,请和我联系
& G7 n* Q/ B: W5 I. \2 \. j o1 r > The application that we have in mind is similar to others that we commonly
! o: E; b- r8 M > have. If we were to pay for FCC approval, we would want to use the modem
/ k! W" ]( Z0 d > units in all similar applications under the same approval number.
. w, K4 N. E- v: u: U: a> Therefore, we would like to be able to configure the units to a specific
' |8 T# Q0 E7 ^, @ > application. For the business that we do, this approach will yield more
% k3 e3 Z. R7 T1 t9 _1 F# x> sales based on the same product and approval. We are interested in the
: u/ S: }1 H* s- J' z > following specifications:
) X& B6 E) ^: k, k& g" i; g >
1 O" q0 x2 j( {( `" V ] > - 2 inputs at the Transmitter with three possibilities;
2 W3 i4 v6 R& l6 g9 ~) y T > 2 analog
9 I8 q# a( a' N) W/ f; M/ a > 2 digital
4 L0 p% ^5 _/ K > 1 analog and 1 digital
X+ S3 V7 M( W9 r& h& j% E: P >
8 P4 a, _6 a. y( z' K, i/ @( r* K> - 2 outputs at the Receiver with three possibilities to match inputs
" M' _3 L7 p8 Y: L$ m i >
$ a# l5 ]9 b6 X% g> - Ability to configure/define analog Transmitter input ranges through
! \% P/ `9 `# u! d( L* `/ P; m; c: b> simple programming method to correspond with full-range analog Receiver
, @! y3 Y1 n0 j% A& T$ M > outputs (0 - full voltage).
( k& g. [; f# S$ N; ]; t0 R >
6 D3 y+ R6 B3 d/ S > - Ability to configure and set sample rates for the inputs.
: d+ D( k' f |& V( f>
9 X1 p) X% d0 |> - Digital output on Transmitter that turns on during the sampling period.
! {7 |) ]7 Z/ M. ], a. Z>
% [- j3 O# u$ B) x! D5 f > - Ability to configure a power saving Sleep Mode in the Transmitter by
! Z; x. a! ^5 A# y; b- G; z: D > both software control and input hardware control.
$ D% \" A9 p d, ?8 i>
) g; p) J9 J/ L% n > In order to configure the units, we would need a way to make the
* I8 E$ j3 h' r* |6 e& j > settings. This would preferably be from a computer terminal so that
% } j9 N+ y, N> configurations can be saved or easily duplicated for production volumes.
. n6 {$ G% O$ h" g; Q! m> The units should be small and compact with shielding, and able to mount
: g/ T" f, ^& }# \* ^4 a: Q7 L, z> to a printed circuit board with header connector.
' a1 Z; F* \! ]/ W- }/ h>
6 ~5 Q$ t# [, r% i$ ?: f) c> At this time, we are interested in samples of a pair of modems that
! `2 b4 r5 f2 e' }> might be similar to this proposed system. We do not expect that you
# H" z& F. f3 |; L6 Y% Q > provide all of these specifications at this time. I can describe our
2 }% _$ y, G& \1 M; C! h& J > immediate application needs in the next email if this project is of
7 R' K3 r* K( z" ^4 _/ ?7 M6 x& C > interest to you. Perhaps you can make the samples by those
2 L( Y3 Z" {- o+ O; f% M > specifications. This will allow us to test your radios before we move
( ~8 ?* D G$ D9 i0 I8 q > forward. We are interested in your 900MHz radio to start.
% w, O8 z, y' |6 W) |: w; `
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