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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 v: T1 q) C3 q$ `% X8 U* v 客户要求如下,如果哪家工厂可以做,请和我联系
7 l1 m# [3 H/ a+ e> The application that we have in mind is similar to others that we commonly
' b4 \! Y' [" {3 L, ^> have. If we were to pay for FCC approval, we would want to use the modem
7 U7 H' f; |$ B# c$ z. O > units in all similar applications under the same approval number.
6 F9 p: O7 @4 ?4 p. Z > Therefore, we would like to be able to configure the units to a specific
& W" n2 ?, ~8 E4 I, s0 f, e6 S > application. For the business that we do, this approach will yield more
. Q1 k9 k, x% |) l> sales based on the same product and approval. We are interested in the
0 d1 D9 V( M1 `0 t > following specifications:
9 B" ~, r. p7 m >
; t2 h9 l4 C# S( ]$ X> - 2 inputs at the Transmitter with three possibilities;
' `! ^/ Y; u2 S/ ]/ D) i% Z0 H> 2 analog
+ t9 P6 v" w d* n8 W > 2 digital
& [% {* ]4 Q m9 I+ F2 q- u > 1 analog and 1 digital
* @) ~/ u8 L4 w5 l O>
, i9 l; b, Q* W. m; _> - 2 outputs at the Receiver with three possibilities to match inputs
" t* B. ?# B2 T' m2 f >
! i7 z# |! h0 p> - Ability to configure/define analog Transmitter input ranges through
. G) X% P% Z# E( c% s! O* F > simple programming method to correspond with full-range analog Receiver
/ x3 @$ `( T6 t. { > outputs (0 - full voltage).
' a( ?9 w& R/ A$ h' }>
, t. R( S. z3 X9 l; \1 u8 ~- j > - Ability to configure and set sample rates for the inputs.
- [% k" x& C! E& A) s0 i/ S>
& V( E% L0 i1 T( x> - Digital output on Transmitter that turns on during the sampling period.
! a9 `) c9 L/ ?* A1 N$ c( v1 m >
) ?4 y- Y4 \( O; p4 Q! R > - Ability to configure a power saving Sleep Mode in the Transmitter by
2 e( c/ ?9 p$ k0 p5 K7 z2 B> both software control and input hardware control.
# Y2 @8 T% Y% b! m) d& Y7 e >
# e& c# X. D& j6 W> In order to configure the units, we would need a way to make the
5 X# p. E9 K1 y& |! w+ m# M > settings. This would preferably be from a computer terminal so that
5 j* Q" ^5 N& k- |! h3 V j > configurations can be saved or easily duplicated for production volumes.
d& k! h; V6 J1 Y> The units should be small and compact with shielding, and able to mount
1 l! L$ a; H$ Q' p6 p- R% y6 i > to a printed circuit board with header connector.
2 b% V0 u' u" Y>
/ k. ~0 ~6 M) V& ?8 @% q0 X: I > At this time, we are interested in samples of a pair of modems that
+ W/ n: @. h( E/ u# `' h- X > might be similar to this proposed system. We do not expect that you
, u0 m2 l0 w9 n4 r > provide all of these specifications at this time. I can describe our
* C5 P9 g v8 @1 J3 u+ S > immediate application needs in the next email if this project is of
0 l5 q3 ?2 D; @2 B* D3 w > interest to you. Perhaps you can make the samples by those
' {! y# B% E/ N: O P/ ~" t; B > specifications. This will allow us to test your radios before we move
2 Q* G0 C8 L! V > forward. We are interested in your 900MHz radio to start.
6 g: F- x+ K: ~/ I3 G# L
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