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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

) F i; Z- K8 O" V# n9 U客户要求如下,如果哪家工厂可以做,请和我联系
+ Q, f- O, D* ~/ Z9 J! Y: H > The application that we have in mind is similar to others that we commonly
- j! p' h: E7 z8 B/ ]5 Y# e9 P> have. If we were to pay for FCC approval, we would want to use the modem
/ \. l H$ f4 j/ j" a5 @> units in all similar applications under the same approval number.
' U9 f) U4 ^' g) A/ {* u> Therefore, we would like to be able to configure the units to a specific
/ y- @3 H% G/ ~8 K; O2 q" k3 y# l# j' P5 V > application. For the business that we do, this approach will yield more
5 X( k( E+ m" t7 e! \> sales based on the same product and approval. We are interested in the
6 k5 G0 M' B! Y) J$ L- i1 ]/ }> following specifications:
2 O3 ^/ }7 R7 E) c4 [ >
" K; i4 J. N& X5 n+ S3 n+ {- [3 n> - 2 inputs at the Transmitter with three possibilities;
S' v2 t; {0 N> 2 analog
; m$ a7 C/ U0 c N3 ]% q> 2 digital
& ~& w( f2 O3 e* X" G> 1 analog and 1 digital
. w' _! Q' R8 P2 @7 R9 J>
9 r* B: x$ `$ V$ ^> - 2 outputs at the Receiver with three possibilities to match inputs
( B% u5 w1 @- f: N- p5 C>
# \4 h0 C5 D6 q1 [ c- q6 s# C > - Ability to configure/define analog Transmitter input ranges through
6 N) U$ p+ ?$ R$ L" G> simple programming method to correspond with full-range analog Receiver
3 D' s5 F e3 C# R0 ~# M) x> outputs (0 - full voltage).
6 o2 a8 g6 U; q>
. j0 W( S$ {& _7 f5 e+ x$ B% v > - Ability to configure and set sample rates for the inputs.
' N! ] S4 D7 S9 W1 U2 u >
# | y: U+ |5 V( W6 p+ ] > - Digital output on Transmitter that turns on during the sampling period.
+ m A9 k9 n) b4 U3 U >
E- Q; x. [5 Y9 }$ k8 w7 L4 o > - Ability to configure a power saving Sleep Mode in the Transmitter by
1 r2 z- b4 C- l3 o$ b, b* a* a9 T* C3 R > both software control and input hardware control.
$ w) d7 ^. u7 `* `3 B >
& t9 `6 y& l8 E) z) w) @4 m> In order to configure the units, we would need a way to make the
% H8 O4 U( s1 d# y7 {2 B" d3 t1 F> settings. This would preferably be from a computer terminal so that
_3 _- L) r. H > configurations can be saved or easily duplicated for production volumes.
* U0 q* n7 ~3 O+ _9 ^1 p8 D- b > The units should be small and compact with shielding, and able to mount
& \; @- K3 E. B8 T: v. g> to a printed circuit board with header connector.
" _* H+ p; |' V6 Y) K2 Z >
+ V3 G* @9 E# |: y. z: U. O> At this time, we are interested in samples of a pair of modems that
3 l7 ?! [3 m# o( X' T> might be similar to this proposed system. We do not expect that you
& `& V# y3 h; H9 E0 K8 L> provide all of these specifications at this time. I can describe our
$ M* Q T& |8 ^# D3 y > immediate application needs in the next email if this project is of
" M5 {8 y0 y j: A3 z p! \> interest to you. Perhaps you can make the samples by those
7 N: M" L" s( D, B) } > specifications. This will allow us to test your radios before we move
- G5 { F7 o: Q4 ^' ]> forward. We are interested in your 900MHz radio to start.
6 t+ P! O/ t6 I; Y
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