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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. ]) b( @% J 客户要求如下,如果哪家工厂可以做,请和我联系
! k' W$ }! }0 I* z> The application that we have in mind is similar to others that we commonly
# N' _$ A @) w6 F" \) g9 i' F, J> have. If we were to pay for FCC approval, we would want to use the modem
5 F' S3 R& o" S+ z > units in all similar applications under the same approval number.
' _) Q9 S; I( Q" \5 z) J i> Therefore, we would like to be able to configure the units to a specific
/ m2 O# T$ D4 }8 K/ Z; N) e( A4 H> application. For the business that we do, this approach will yield more
6 U0 X# m/ p' f# |0 a; J" A; N, z > sales based on the same product and approval. We are interested in the
, p0 u+ G! I. v0 U> following specifications:
+ B) i+ G* \; u>
3 T0 T$ N! w: S1 s8 X3 ? > - 2 inputs at the Transmitter with three possibilities;
( X, b" |8 Q4 M) M. o/ \$ ]1 p > 2 analog
6 J$ J( N" x9 A' v > 2 digital
/ B+ r# b6 O. o' f > 1 analog and 1 digital
1 k3 n7 A4 f4 | s7 u F >
$ I* I: K4 E, ]> - 2 outputs at the Receiver with three possibilities to match inputs
* \1 k6 f( O3 _( C4 a>
' \; h6 T3 s- n> - Ability to configure/define analog Transmitter input ranges through
5 z* C- I- F4 V( p! q4 [+ B> simple programming method to correspond with full-range analog Receiver
9 }1 [9 |4 ~3 n% M( t2 g4 ~> outputs (0 - full voltage).
" [1 U4 U5 f) Z' K+ l>
( w- N* G5 i$ v C2 }; A) x > - Ability to configure and set sample rates for the inputs.
8 T5 M% D( n- Q; w5 u0 Q2 [ >
" L2 O% f% G7 @) `- S> - Digital output on Transmitter that turns on during the sampling period.
" H* R* b7 F9 e4 }9 r+ a/ b) f1 h >
' [' C1 G2 j* E3 `4 s> - Ability to configure a power saving Sleep Mode in the Transmitter by
4 Y' e2 A) H) G$ j! Q( M > both software control and input hardware control.
1 M3 N9 r. a! t; O >
8 i9 _- b! R% M8 J, x. ?. t > In order to configure the units, we would need a way to make the
1 ^8 J5 a/ g( U4 q/ e2 q }# t+ [> settings. This would preferably be from a computer terminal so that
2 K( M$ z. F" j) T > configurations can be saved or easily duplicated for production volumes.
$ m) a/ }9 {( g$ {$ k! Z> The units should be small and compact with shielding, and able to mount
: q' J3 E% a6 N! ]9 Z& O* H* P4 i# d> to a printed circuit board with header connector.
y" u+ C: X: f1 D, l: A- z2 \>
$ X0 y0 t0 s6 x> At this time, we are interested in samples of a pair of modems that
) L& p, X7 w. X* a/ v > might be similar to this proposed system. We do not expect that you
& w8 y1 k$ t9 e+ ?' x M2 q> provide all of these specifications at this time. I can describe our
$ ^( Q, C; R* z > immediate application needs in the next email if this project is of
; W) @4 m/ ^% o! @! m+ o3 a' F2 @ > interest to you. Perhaps you can make the samples by those
5 ] E" x' [$ n5 Q' d" k! N, u; c> specifications. This will allow us to test your radios before we move
( ~4 C! @; d* J( }/ `/ L2 n z> forward. We are interested in your 900MHz radio to start.
# j H. w, ?. q' ~+ l9 Q. ]
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