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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

7 ?: k9 d: ]; W; ]- s 客户要求如下,如果哪家工厂可以做,请和我联系
& n: Q K; `7 j/ p+ \> The application that we have in mind is similar to others that we commonly
3 p, Z1 l3 T* V: c0 P% E) W > have. If we were to pay for FCC approval, we would want to use the modem
) M% V1 E$ S* W$ } > units in all similar applications under the same approval number.
, D* z3 O* y$ w& ?- O @ > Therefore, we would like to be able to configure the units to a specific
9 ?& G$ W b Z5 V% t > application. For the business that we do, this approach will yield more
: k5 d; ^! h2 |" F1 D W> sales based on the same product and approval. We are interested in the
7 r) ~# d& Y7 w& f) B3 l( c> following specifications:
5 n. S: G0 D5 E6 U- G6 o9 @>
; ?0 p- b" w6 @6 M% T) g& _0 @( O! x> - 2 inputs at the Transmitter with three possibilities;
$ ?/ H2 f2 _5 ]4 `6 }* |5 T* `# C > 2 analog
" r6 Y+ |. g; { > 2 digital
$ L! s0 T0 x5 M$ w* m > 1 analog and 1 digital
, \0 R3 ^/ M9 ^/ Y, m>
) p$ e, a6 u& ]" L > - 2 outputs at the Receiver with three possibilities to match inputs
- m# `* M# o0 _8 l3 }9 f >
0 [! X( U K9 N U* L1 C/ D> - Ability to configure/define analog Transmitter input ranges through
4 m8 j5 z. r, P l' V > simple programming method to correspond with full-range analog Receiver
t: C' c' e2 L: j* f$ k6 ] > outputs (0 - full voltage).
. G1 ^% K' V# y3 f+ Q) u>
0 m! J! c% o( Y. E8 r > - Ability to configure and set sample rates for the inputs.
) V. m/ P$ f$ D+ e6 Z/ _ >
# {: p1 d# y$ t* R5 [% x. f$ i > - Digital output on Transmitter that turns on during the sampling period.
0 c9 D9 h. S1 n/ ^# g>
5 i2 [) h5 [7 w' I2 p& e > - Ability to configure a power saving Sleep Mode in the Transmitter by
) s- t# J( ^, s > both software control and input hardware control.
- S3 r4 k; ]9 v$ O0 M >
7 R$ S# ^% F# C6 U" h! }> In order to configure the units, we would need a way to make the
; b i% `- c+ U m; h: P( X > settings. This would preferably be from a computer terminal so that
/ k1 f6 A' w: D0 M' e% O > configurations can be saved or easily duplicated for production volumes.
+ @4 e1 ~8 E {$ w2 v" G0 q > The units should be small and compact with shielding, and able to mount
6 L# R5 ~: S q" |; a+ y3 t > to a printed circuit board with header connector.
8 z# H' e% @0 J D/ X9 Z; x( I>
( Q/ X6 F1 L; M. I% n- w$ M* u# p > At this time, we are interested in samples of a pair of modems that
; N9 f, `. [: v* l4 l V4 r' b# k > might be similar to this proposed system. We do not expect that you
/ Q ~8 N: F) M4 u# Z$ g8 o( S/ d > provide all of these specifications at this time. I can describe our
. w/ r$ ^& |5 E! w/ u7 \% v$ B> immediate application needs in the next email if this project is of
: x* h% U( i- B5 f> interest to you. Perhaps you can make the samples by those
# M# U& Z7 f5 p* _% E> specifications. This will allow us to test your radios before we move
9 _8 ]! U6 s, m) v% y9 }> forward. We are interested in your 900MHz radio to start.
/ t3 k% g$ k( z6 _' k8 Y7 _- x
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