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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/ N6 P+ o7 p' Y 客户要求如下,如果哪家工厂可以做,请和我联系
7 _& k% F& \5 R& q> The application that we have in mind is similar to others that we commonly
( N* h l2 A: @% h> have. If we were to pay for FCC approval, we would want to use the modem
8 R5 a# T P# E7 h# S& p, e* @ > units in all similar applications under the same approval number.
' T+ ^2 {1 c4 I% K) U3 t( C: W4 x > Therefore, we would like to be able to configure the units to a specific
' x5 @/ }. A7 I$ {2 a5 a! |( N> application. For the business that we do, this approach will yield more
f3 X f& {/ i* O+ @, | > sales based on the same product and approval. We are interested in the
2 l6 i9 \: E& |# Y9 k) F> following specifications:
# A- h- y9 L n8 c. _>
% A& _/ {' t5 E$ i3 v3 d( P> - 2 inputs at the Transmitter with three possibilities;
3 C, C4 K9 \+ H/ r > 2 analog
2 e. p* _) r" Z4 I; [: m' f > 2 digital
; C4 M* o9 h' C3 E2 v0 M > 1 analog and 1 digital
9 B3 M0 v9 {, p2 @>
! T: z* s6 A% K > - 2 outputs at the Receiver with three possibilities to match inputs
7 ?6 B2 e* i- d6 z+ o, I) P$ Y>
) C( n1 u6 h+ J H, @ > - Ability to configure/define analog Transmitter input ranges through
; Z2 a0 C D8 o! c' q> simple programming method to correspond with full-range analog Receiver
; ^. ?2 C0 p4 x. b> outputs (0 - full voltage).
1 |3 ?9 _. J0 @; ^>
3 @9 d& x; U$ h, b( @, P) [> - Ability to configure and set sample rates for the inputs.
' S* c; E2 t' _3 e9 V4 N% P1 O >
- |4 b! D3 {0 x) u> - Digital output on Transmitter that turns on during the sampling period.
; C# K' u, R- s0 T0 z >
( V7 i" A( `* g; O# \: a, } > - Ability to configure a power saving Sleep Mode in the Transmitter by
, P* V& f0 l- R& g* _> both software control and input hardware control.
0 ]( S4 [ {: {3 D& ]" n. B>
* Z& ~8 a/ H" N% Q- B > In order to configure the units, we would need a way to make the
5 y& ^- \( N+ {- h4 m9 J > settings. This would preferably be from a computer terminal so that
2 g9 `! `$ I9 ]4 W- o> configurations can be saved or easily duplicated for production volumes.
, i Q A: x( ]' N" E9 R- R, H > The units should be small and compact with shielding, and able to mount
- }* `+ x3 z& Y2 J$ ~' c ?+ N> to a printed circuit board with header connector.
$ r. ]8 g9 X- D+ l2 a& |9 C >
+ u$ @. h4 v$ A; K8 {: m: L" l> At this time, we are interested in samples of a pair of modems that
1 ]) \: O1 }7 X! Z> might be similar to this proposed system. We do not expect that you
9 v, P' h0 r0 l: V/ o4 q$ p> provide all of these specifications at this time. I can describe our
8 T) P7 Y7 ~" L7 b' Y" A# U> immediate application needs in the next email if this project is of
" m; |# D$ x3 |+ }1 Y& O5 ^ A> interest to you. Perhaps you can make the samples by those
" ^! \# J+ G% j# o- n" t > specifications. This will allow us to test your radios before we move
+ N( Q3 A% D. q" j> forward. We are interested in your 900MHz radio to start.
$ r# P2 Y" d' z( r9 w( L8 t
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