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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

' o, r. y; ~) W1 U! ]& p 客户要求如下,如果哪家工厂可以做,请和我联系
: Q* G6 `/ K; L- Y6 J- g> The application that we have in mind is similar to others that we commonly
' S% |* |& I2 m# B( _> have. If we were to pay for FCC approval, we would want to use the modem
0 n x3 B. D1 K4 e6 G% s> units in all similar applications under the same approval number.
2 g/ P7 [$ N' t, P% x7 y> Therefore, we would like to be able to configure the units to a specific
0 _: }5 g# Z& C: p) s > application. For the business that we do, this approach will yield more
9 t& g. v: O+ h' A- ]> sales based on the same product and approval. We are interested in the
+ B6 d7 h3 ]- u7 }: J" A0 {9 A > following specifications:
/ E3 S! c$ C4 @ >
0 y/ [( h9 h/ k; k" i> - 2 inputs at the Transmitter with three possibilities;
/ D0 l" G' ~2 B' {4 v. X> 2 analog
; [' M# l2 ]+ i% ] > 2 digital
4 M9 Y0 a! x& l; a' [! z > 1 analog and 1 digital
. ^) @+ s& j0 i7 ~" X- ?; n: ` >
" @7 }! F2 B; T, W% f > - 2 outputs at the Receiver with three possibilities to match inputs
8 Y9 e% X2 ^; C* \1 u" y>
$ C' h4 q% _+ ~0 o h7 X. [; ~> - Ability to configure/define analog Transmitter input ranges through
7 T2 X3 p9 B& R+ w# t6 D> simple programming method to correspond with full-range analog Receiver
D+ ~5 D! u$ C! x4 _5 E > outputs (0 - full voltage).
( S5 `1 H; D- m5 W8 I! h >
W$ ^2 M; d8 s0 l: ~( d' s> - Ability to configure and set sample rates for the inputs.
( x' h1 ^& i" k& d >
3 H4 i$ Y# C' E' F& q% c> - Digital output on Transmitter that turns on during the sampling period.
8 f' S, E1 n' K6 e0 x3 B >
3 f7 Q# C5 H9 ^ > - Ability to configure a power saving Sleep Mode in the Transmitter by
" z. [# w) B5 h8 ^: \7 f8 e5 p7 y2 t> both software control and input hardware control.
! M# ]; z% u) A" _# @ >
: v' D; ^' h: c# P" o > In order to configure the units, we would need a way to make the
; ]% j) H, K5 P7 ] > settings. This would preferably be from a computer terminal so that
8 ]: O# i9 V- ]2 i/ E/ g > configurations can be saved or easily duplicated for production volumes.
) s" u. ?+ Q" w+ } v& ^3 J > The units should be small and compact with shielding, and able to mount
9 N1 m! G0 F+ S& n9 p& C> to a printed circuit board with header connector.
4 n# ^/ c; \0 ^$ q+ x >
/ L' D/ E7 k H. m% ]1 {& z3 ^> At this time, we are interested in samples of a pair of modems that
" I2 x7 I2 T8 H& c$ o1 p> might be similar to this proposed system. We do not expect that you
. i2 n) W9 O# t' h( m* R > provide all of these specifications at this time. I can describe our
% o% F! n& g. D! v( _ > immediate application needs in the next email if this project is of
7 }" L5 B- a, j. C$ \> interest to you. Perhaps you can make the samples by those
1 V5 V; h( N5 e2 c> specifications. This will allow us to test your radios before we move
8 h6 ?4 g/ u8 o, j a u> forward. We are interested in your 900MHz radio to start.
: `5 \/ g. r. T
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