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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

0 _1 \7 U% S& ]& K7 {3 m! t- K( F6 x 客户要求如下,如果哪家工厂可以做,请和我联系
U% \% N& t& U6 k; P# E/ X! j2 e/ l7 F$ Z> The application that we have in mind is similar to others that we commonly
" Y! ]0 e4 [1 q m5 D > have. If we were to pay for FCC approval, we would want to use the modem
4 \+ x& x, [3 I/ D > units in all similar applications under the same approval number.
2 Y C' X; t# _% d" D \) a> Therefore, we would like to be able to configure the units to a specific
$ a( e' P: Y+ L$ S0 Y' |" g> application. For the business that we do, this approach will yield more
0 g) h- f! }( Z* m5 W> sales based on the same product and approval. We are interested in the
: z* I0 a9 Q- i > following specifications:
2 g' W7 Z9 E9 q4 r( q >
V9 ^3 C. J' Z% q8 a > - 2 inputs at the Transmitter with three possibilities;
4 [8 p5 q5 ~+ Y( x4 s& ^ > 2 analog
4 U3 |1 H7 |5 c6 K8 ?! i > 2 digital
1 x1 U9 f; U" V* v% A > 1 analog and 1 digital
$ S7 g2 p. }& X9 P' M9 g" H >
1 x/ V3 U# z) i- M! G& h> - 2 outputs at the Receiver with three possibilities to match inputs
4 w5 q, b0 H i. r2 }- T>
' @# h/ J6 t8 I5 h% ]* i7 R > - Ability to configure/define analog Transmitter input ranges through
7 N6 d& ~- i# ], f2 p/ C+ g> simple programming method to correspond with full-range analog Receiver
7 L+ F3 V) _# u1 @, S> outputs (0 - full voltage).
: i. ] J8 I+ T>
/ A3 j4 u1 n; c1 S+ w! q> - Ability to configure and set sample rates for the inputs.
- I" o: z H1 B >
R' A8 c% S7 @6 b! R* m* D% y& Y* p> - Digital output on Transmitter that turns on during the sampling period.
& a* t+ T% B8 C>
d" i' X3 r7 r* s0 C! l9 P- v> - Ability to configure a power saving Sleep Mode in the Transmitter by
! T' T6 G; e4 y* \' z' K > both software control and input hardware control.
# K. }5 D6 V: l8 ~! v >
6 D( j3 E1 V: q( p3 F> In order to configure the units, we would need a way to make the
9 x2 E4 _7 X% ?: E1 Q# _: V1 Q+ e> settings. This would preferably be from a computer terminal so that
1 w* U5 [2 Z6 X7 O6 C' R5 B > configurations can be saved or easily duplicated for production volumes.
4 J! o9 e/ \, _0 |# r3 f5 \, ]3 t> The units should be small and compact with shielding, and able to mount
& F7 V+ y4 L8 d6 K > to a printed circuit board with header connector.
( ~8 x* J, b& Q2 ^7 {- P/ }>
# G( t: Q' j0 z, O0 K, m > At this time, we are interested in samples of a pair of modems that
6 l8 _/ N/ J C; g' G' ?6 ? > might be similar to this proposed system. We do not expect that you
- ~% t, p* n# j5 H > provide all of these specifications at this time. I can describe our
; \9 y8 _. P R6 F" b9 e$ g> immediate application needs in the next email if this project is of
1 O2 D) l( h9 h( |8 _, \" @4 v> interest to you. Perhaps you can make the samples by those
* a/ l" }- f6 Z, P3 j > specifications. This will allow us to test your radios before we move
6 _1 C A: b/ y5 f+ | > forward. We are interested in your 900MHz radio to start.
6 i4 ]7 @- B) `' z. q5 s* {# Q8 I
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