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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

- b- V5 |/ Y; v2 f客户要求如下,如果哪家工厂可以做,请和我联系
* s$ m8 z6 y! y, r9 d# }# A4 p> The application that we have in mind is similar to others that we commonly
! J [. e( U4 ], i% c7 F > have. If we were to pay for FCC approval, we would want to use the modem
' M8 N' i0 B, D. e+ |8 o/ r, s" k> units in all similar applications under the same approval number.
5 r. E" _8 ^2 z1 P9 p) {' X$ ^. D > Therefore, we would like to be able to configure the units to a specific
1 y/ [! p( f3 v5 e9 I y8 T > application. For the business that we do, this approach will yield more
' P3 V2 s5 ?5 S' y2 Y. Q > sales based on the same product and approval. We are interested in the
9 W% _* t" C4 v, E > following specifications:
" Z6 r4 W! Z. g/ `7 S( N>
# c- _5 h; N/ G* B( e' u> - 2 inputs at the Transmitter with three possibilities;
( H; A2 @7 j+ A: d > 2 analog
|5 M% F& i- q: Z7 f9 {> 2 digital
. ~. m6 G O( M- F( h> 1 analog and 1 digital
3 F: O, \" j, Y3 F& I% M >
! r0 m: v( C# g5 T) a4 k; s# X> - 2 outputs at the Receiver with three possibilities to match inputs
: k) u/ ~+ T8 K6 h9 W) z>
0 h+ T1 C/ |7 w5 T Q# {9 | > - Ability to configure/define analog Transmitter input ranges through
" d( O6 z0 T. h% [; U, ], r6 ] > simple programming method to correspond with full-range analog Receiver
) k: Z( P0 [$ x# h1 }4 w> outputs (0 - full voltage).
4 V. p7 s! \) o>
. p; @+ z6 N r; N/ Z" G> - Ability to configure and set sample rates for the inputs.
' M/ q' z- c! V' c2 }9 R) t>
* J9 ?3 J% ]4 ]! P# {> - Digital output on Transmitter that turns on during the sampling period.
9 _+ U3 |5 O; P* D >
- I9 i, P* O5 S0 t5 J f7 E> - Ability to configure a power saving Sleep Mode in the Transmitter by
. @7 R; t, s3 s( i) k> both software control and input hardware control.
- u& W3 ?( D9 W ]3 V>
( b) C7 j' A6 w j/ P/ K> In order to configure the units, we would need a way to make the
+ z7 C; y( f4 l5 Q2 W3 a! _> settings. This would preferably be from a computer terminal so that
, n7 U# B7 f5 q$ X> configurations can be saved or easily duplicated for production volumes.
, F# \3 t( _7 I7 p" W; p4 l> The units should be small and compact with shielding, and able to mount
; X1 r8 G M0 k0 F) A# q' ~8 I2 R( n> to a printed circuit board with header connector.
$ V( i" m) f/ V7 F0 L>
5 }* z; @" {1 k+ r0 r# m/ ^% t > At this time, we are interested in samples of a pair of modems that
: L$ j. B, \0 D$ T5 }$ x4 T, u; g> might be similar to this proposed system. We do not expect that you
; y7 ~5 _8 v8 t > provide all of these specifications at this time. I can describe our
5 C' p, n3 ?" e1 L+ r8 X, a> immediate application needs in the next email if this project is of
$ t% _8 G. C* |" u > interest to you. Perhaps you can make the samples by those
5 V8 u, m4 H* M+ q! E- i> specifications. This will allow us to test your radios before we move
! H7 G- B9 n; ?( I( O; w5 Z4 J* G" {> forward. We are interested in your 900MHz radio to start.
/ I9 c) Y4 M2 `8 F( ^$ C
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