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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

8 p; W9 s! J1 t: F- E 客户要求如下,如果哪家工厂可以做,请和我联系
$ y$ a5 S9 V9 ^9 e- d7 x4 P> The application that we have in mind is similar to others that we commonly
& _! y R6 R. H' V; a$ G> have. If we were to pay for FCC approval, we would want to use the modem
" ~8 ]& {: M7 Z0 p* S! i2 B6 d > units in all similar applications under the same approval number.
+ F: ~5 D1 k1 N% Y, G# y> Therefore, we would like to be able to configure the units to a specific
3 M0 y/ D4 O9 ~ > application. For the business that we do, this approach will yield more
# ?0 k& ~( ~! k; | > sales based on the same product and approval. We are interested in the
5 k9 L, H" r$ G) T> following specifications:
' g, z: z2 e: q {7 G( c>
, b8 E6 d- @) J- P: v > - 2 inputs at the Transmitter with three possibilities;
' K3 K# n5 z0 Z4 x6 G% y > 2 analog
% G+ M" l% {$ }3 e > 2 digital
# N/ K, i) i3 Y2 N% h> 1 analog and 1 digital
' h5 _" d. ?" `0 z0 H# e; `$ e& \& Z>
2 h+ k% b2 W* L6 g> - 2 outputs at the Receiver with three possibilities to match inputs
5 F/ P8 _( A' L& ? >
: T, Q5 ^2 s& l) J$ e; I8 N > - Ability to configure/define analog Transmitter input ranges through
' ]; w/ G0 |5 t: c> simple programming method to correspond with full-range analog Receiver
+ @& ]' e4 \4 W; \4 i> outputs (0 - full voltage).
- H9 A" p4 |5 I9 ^& k! T1 I >
# a# p1 k, F$ N, S- O* @' k# j> - Ability to configure and set sample rates for the inputs.
" X6 z. k- B* @5 @>
) ~" X/ S/ ~9 w( H$ e > - Digital output on Transmitter that turns on during the sampling period.
/ c ]; S# Z d8 L$ M3 l>
, W: P1 {9 B" o' y1 f> - Ability to configure a power saving Sleep Mode in the Transmitter by
0 w( W/ w: U+ A1 |2 P3 H> both software control and input hardware control.
% R! m' A) J' W U" W >
1 e6 @9 ^4 h3 \: c> In order to configure the units, we would need a way to make the
9 j# g* Y) T4 r0 g/ |. X> settings. This would preferably be from a computer terminal so that
% G" u! E9 ]) g" K* z> configurations can be saved or easily duplicated for production volumes.
' l# _6 y! c4 |% U5 H) U > The units should be small and compact with shielding, and able to mount
5 X. g- F& k: J' |: U> to a printed circuit board with header connector.
& y" i4 n8 c. K C>
_8 }8 o& e" z1 e" K- ~ i> At this time, we are interested in samples of a pair of modems that
b, s( z, N: c! Z1 e > might be similar to this proposed system. We do not expect that you
+ X6 q6 j3 X3 p9 {$ }4 R! q> provide all of these specifications at this time. I can describe our
. t u, \. I9 C! ~> immediate application needs in the next email if this project is of
. j9 @- i/ ~1 y# ?5 X$ {5 @5 L, U> interest to you. Perhaps you can make the samples by those
0 [7 [& v: C- Q> specifications. This will allow us to test your radios before we move
# I, I0 f* B" L; ?0 w9 @ > forward. We are interested in your 900MHz radio to start.
" H+ ]* l7 |! f3 S$ \3 h9 W
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