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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

x2 U( z+ m% V% V' d* B 客户要求如下,如果哪家工厂可以做,请和我联系
; E* Y% ^3 u3 {> The application that we have in mind is similar to others that we commonly
6 A8 @8 M7 E: E6 A( W> have. If we were to pay for FCC approval, we would want to use the modem
9 G' [+ N8 d( I> units in all similar applications under the same approval number.
" T6 I2 X4 i4 m: H# _$ E. r > Therefore, we would like to be able to configure the units to a specific
( P: C3 j; ^5 C! } > application. For the business that we do, this approach will yield more
7 Y R% R$ \6 {, T! n- \' V4 ^> sales based on the same product and approval. We are interested in the
3 h8 F; x$ e4 j6 a> following specifications:
1 s, s! ~! ]/ h6 T% i0 y >
+ u* x# U+ {4 [; X# b > - 2 inputs at the Transmitter with three possibilities;
' r2 v- Z! J8 f7 V > 2 analog
( \' W3 a) m }! k& {( ^. H > 2 digital
9 M2 p: m L" J1 C7 {> 1 analog and 1 digital
8 Y- A8 v; ~; a; A5 T >
3 b1 I e+ b2 G7 `8 ]9 {> - 2 outputs at the Receiver with three possibilities to match inputs
v+ L6 @% j/ x5 k9 L7 |>
]/ R) k u* [- d > - Ability to configure/define analog Transmitter input ranges through
) m1 c9 r7 W% g% G# w. [ > simple programming method to correspond with full-range analog Receiver
* D/ k# K. y0 R& N. k3 q( m* t+ @. ~ > outputs (0 - full voltage).
2 c a4 N2 w& G, ^1 Z: D>
/ x5 l3 i8 U" x: y. ] L8 @ > - Ability to configure and set sample rates for the inputs.
4 Y( D- F: [9 j$ Y' Y >
/ m7 l5 }' V) A7 E> - Digital output on Transmitter that turns on during the sampling period.
$ E. E. n2 x) F" k6 d# E >
' {9 X* e2 @3 D7 R" H, L> - Ability to configure a power saving Sleep Mode in the Transmitter by
y ]6 A6 R, N: S > both software control and input hardware control.
7 n# C5 S1 h6 n' c>
; M5 p3 D- Y! {4 N5 ] > In order to configure the units, we would need a way to make the
, e$ H& A k3 Y2 [3 \4 s* ^ > settings. This would preferably be from a computer terminal so that
# X$ b. o" P9 l > configurations can be saved or easily duplicated for production volumes.
1 E0 c5 d/ Q2 I) g, M" s! |> The units should be small and compact with shielding, and able to mount
$ @0 \" y" s4 ^2 b' G > to a printed circuit board with header connector.
: J' A5 ]' f; ]* k/ ~ >
% w4 g' p) H6 L( }5 @ > At this time, we are interested in samples of a pair of modems that
5 G2 E. x# y9 N > might be similar to this proposed system. We do not expect that you
* d; {# F A& s3 v5 {# @- G > provide all of these specifications at this time. I can describe our
2 A" P2 d/ Z m, F( T- h5 P9 a > immediate application needs in the next email if this project is of
9 q1 F. Y+ n9 ], Z" a > interest to you. Perhaps you can make the samples by those
( L% ^. H2 |, m2 ^5 C9 j3 J9 `# G> specifications. This will allow us to test your radios before we move
; {1 O P4 Z" ]2 E0 D > forward. We are interested in your 900MHz radio to start.
! Z. ?" O; y; H. \: {
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