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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

6 t5 t1 |9 _8 b客户要求如下,如果哪家工厂可以做,请和我联系
- {2 K" [, m# ?' D3 K, K7 i8 ^ > The application that we have in mind is similar to others that we commonly
3 l: P. B2 d$ j! O: H8 Z> have. If we were to pay for FCC approval, we would want to use the modem
, c/ E& T* n+ P8 A> units in all similar applications under the same approval number.
% m6 q% @+ e: q! D1 o, j3 H > Therefore, we would like to be able to configure the units to a specific
3 _$ p' f0 {; C/ b; }! m > application. For the business that we do, this approach will yield more
" X$ v& K: k& m! j" _> sales based on the same product and approval. We are interested in the
3 h$ Q- i' K. b! r5 d) e > following specifications:
e; `# p+ E, p>
* p3 L/ X* n/ w- E# K > - 2 inputs at the Transmitter with three possibilities;
- m1 E6 B' r0 q3 ` V/ O > 2 analog
- ^, H0 I; I" s* F( m. D > 2 digital
( Q9 I8 ^9 U6 Z" O> 1 analog and 1 digital
# ?* `; ]8 @) e6 l1 e- f, G* I9 f7 N R >
( |' f3 B3 K( A* S( s4 S" I, F> - 2 outputs at the Receiver with three possibilities to match inputs
9 \% h% r# T0 S7 H% M>
/ x, U) Q p u( P* a, j* S > - Ability to configure/define analog Transmitter input ranges through
! B# A6 e( [. T> simple programming method to correspond with full-range analog Receiver
& H7 n! w1 F9 n' R7 i3 O; Y> outputs (0 - full voltage).
) i. f4 Z3 |; O- T$ d>
K w# @6 X! D: G5 D> - Ability to configure and set sample rates for the inputs.
4 M" N+ {' f1 [# t>
5 Y* }' ?% d6 | > - Digital output on Transmitter that turns on during the sampling period.
2 o5 w3 ?- ]5 T( Z! E# j) F>
2 @, M8 R) M5 Q5 G. V/ C, h- D! W) P> - Ability to configure a power saving Sleep Mode in the Transmitter by
: o& H4 A3 I- z > both software control and input hardware control.
- U& ?7 Q Y, z+ | M: p>
; C& } {6 _' u > In order to configure the units, we would need a way to make the
* }8 Z3 T6 a: W) `% I' A# |" o [ > settings. This would preferably be from a computer terminal so that
; L' B8 c, l4 C3 T; E! ]8 S- X& q > configurations can be saved or easily duplicated for production volumes.
( a' p6 R2 J# T4 w > The units should be small and compact with shielding, and able to mount
# w0 f1 t) I( h) u+ _2 a5 s > to a printed circuit board with header connector.
- U# Y7 l. p, A. [8 n0 j+ u>
! G V9 L& U5 A+ [ M$ k> At this time, we are interested in samples of a pair of modems that
& R4 z9 L Y, {, A+ F% p > might be similar to this proposed system. We do not expect that you
5 w1 [) b m1 S > provide all of these specifications at this time. I can describe our
8 i+ U+ E3 U) i0 F! {+ T> immediate application needs in the next email if this project is of
4 e3 M$ l% p( _4 U3 @7 l+ Q > interest to you. Perhaps you can make the samples by those
2 `& p9 ~4 i* e& J, C0 V) P> specifications. This will allow us to test your radios before we move
# X2 j1 T8 G2 c( d3 n> forward. We are interested in your 900MHz radio to start.
( a' ?9 I% j( q6 } z" `- e
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