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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

3 n* O( T$ |* m9 e( n3 n 客户要求如下,如果哪家工厂可以做,请和我联系
- Y& I; q9 L& q> The application that we have in mind is similar to others that we commonly
+ w( W+ C f3 x4 m9 K: O! c> have. If we were to pay for FCC approval, we would want to use the modem
: b5 V4 _' a7 Q. D+ m> units in all similar applications under the same approval number.
. N9 O1 ]2 A4 j: F, H/ s1 @2 @ ] n+ r> Therefore, we would like to be able to configure the units to a specific
& I* L {2 k" a5 P2 m1 k( f: G > application. For the business that we do, this approach will yield more
2 o5 v$ z$ m, }# Y+ {6 M" l9 R$ {> sales based on the same product and approval. We are interested in the
6 e& c' z" ^' ~* ]' }' {9 a/ |* k > following specifications:
9 A2 @/ O( b6 t5 j7 h R' G>
# p! @- e) j5 Y2 ? > - 2 inputs at the Transmitter with three possibilities;
% }( s5 B' {, i; ?, v% u > 2 analog
0 R7 V q9 ]: G6 v* m- `. d# y( z > 2 digital
8 |% l6 Z, i$ n> 1 analog and 1 digital
8 Y! u; q5 N/ U& |+ [ >
. h- ]; D8 g) e/ _0 D$ E# Q> - 2 outputs at the Receiver with three possibilities to match inputs
5 q% v) c$ Q( b >
! e& b% J/ M2 q q7 D/ h! { > - Ability to configure/define analog Transmitter input ranges through
9 A! w1 k) @8 M% D( f4 ~7 M( c9 U8 M> simple programming method to correspond with full-range analog Receiver
1 K$ _* r r1 t7 ], A; J> outputs (0 - full voltage).
# P. _' B1 ^3 K; c' H& h# j0 C$ w, f >
# a3 C* _0 }' u# Y2 ~- X > - Ability to configure and set sample rates for the inputs.
0 _2 ]1 h% }( h>
! j5 } [( {& Y* S( n( B > - Digital output on Transmitter that turns on during the sampling period.
; W$ M; X8 I& J2 Y>
, x4 Q- y1 ^3 X1 B+ m' J > - Ability to configure a power saving Sleep Mode in the Transmitter by
* \5 u( E! @: I> both software control and input hardware control.
6 ]# [3 J( k& j/ m, r; i# {/ E% B>
6 K p7 Y7 U1 ~* e, T1 y0 @1 T > In order to configure the units, we would need a way to make the
r+ F# _, P# O> settings. This would preferably be from a computer terminal so that
) o0 P4 W& p# u1 P4 v> configurations can be saved or easily duplicated for production volumes.
5 t& H8 A+ R9 h% B0 v4 `> The units should be small and compact with shielding, and able to mount
- K. k# Z$ X) L$ [; k0 R1 K0 _# Z > to a printed circuit board with header connector.
4 f+ a3 {1 V. ]6 \* @5 f5 v& j >
" V) O3 _# B' a! ` > At this time, we are interested in samples of a pair of modems that
0 Y4 e+ s @9 t4 J# k > might be similar to this proposed system. We do not expect that you
1 e7 [) \" Z4 x+ @* I. j> provide all of these specifications at this time. I can describe our
4 A: U; b, N6 a3 \9 w > immediate application needs in the next email if this project is of
3 e1 u8 L" i$ X1 e, x" T> interest to you. Perhaps you can make the samples by those
) @& p! f2 [7 B# G0 u > specifications. This will allow us to test your radios before we move
[' I' Q9 w( d F' g3 y > forward. We are interested in your 900MHz radio to start.
- @) U2 B' X2 ^
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