|
|
4 D P& y7 z2 S/ g y客户要求如下，如果哪家工厂可以做，请和我联系
" X& P6 a4 i- b# w Y W+ ^5 T> The application that we have in mind is similar to others that we commonly
/ G% S& D/ x' L% G8 H> have. If we were to pay for FCC approval, we would want to use the modem
5 J v1 B, n& o& F5 S+ { y+ `> units in all similar applications under the same approval number.
/ Q! [; a" Y' c> Therefore, we would like to be able to configure the units to a specific
/ {% t! U! r# p5 J
> application. For the business that we do, this approach will yield more
! J6 T3 v$ F$ q
> sales based on the same product and approval. We are interested in the
; d# k9 e0 U0 u3 S
> following specifications:
7 T0 R- b+ p4 q- V7 Y, a" r/ b>
1 b8 O/ L0 ]/ I# N> - 2 inputs at the Transmitter with three possibilities;
- j* ~' i* {, R1 Y> 2 analog
* i- t, d5 L% r$ u> 2 digital
/ [! w( }! s: t% ^ ^+ w/ @> 1 analog and 1 digital
2 H/ G3 V+ n, X0 }>
`1 |7 ~, ]- `" [4 m8 h/ A
> - 2 outputs at the Receiver with three possibilities to match inputs
5 w6 n2 H& X+ o2 o
>
4 f; o3 D* a) P+ Q7 u' c. O, Y6 j9 `# A> - Ability to configure/define analog Transmitter input ranges through
" J. [3 y: n2 g+ U
> simple programming method to correspond with full-range analog Receiver
6 y" M- c: [/ V% J( Y
> outputs (0 - full voltage).
( c7 u1 M8 g8 U4 M
>
6 e- U: |- g$ T1 `8 N( R; Q
> - Ability to configure and set sample rates for the inputs.
6 |% |1 o% ?/ |) W+ H1 \( ?1 Q>
% b$ N6 a1 J; j( n g6 N1 \> - Digital output on Transmitter that turns on during the sampling period.
' y2 I- J$ C G
>
; C' }/ i& I c0 m2 [; M9 I" `
> - Ability to configure a power saving Sleep Mode in the Transmitter by
9 g W1 F! y) ?
> both software control and input hardware control.
& {8 a7 R& q( N& q3 ^( l# ^; M
>
- F3 d" S# G" t- q
> In order to configure the units, we would need a way to make the
0 \/ f: P% ]% F; r* X2 ?& \/ G+ i, v7 U
> settings. This would preferably be from a computer terminal so that
* m: l* }4 i2 ^3 O/ W/ O8 ?
> configurations can be saved or easily duplicated for production volumes.
- t# n2 |! l7 W- b) ~/ O; F> The units should be small and compact with shielding, and able to mount
( c6 \0 {1 w0 i! {) Z6 {5 p
> to a printed circuit board with header connector.
* A/ S$ P# `! @+ O% m4 F>
8 v" M) F& b: d$ k
> At this time, we are interested in samples of a pair of modems that
# Q, v/ l8 i6 t7 x3 M+ |
> might be similar to this proposed system. We do not expect that you
# ] W7 Y+ V, @ Z+ \2 i> provide all of these specifications at this time. I can describe our
4 A/ H, w5 }: B. x; z+ j2 \' R> immediate application needs in the next email if this project is of
: I& h6 F [! l1 h# _% R> interest to you. Perhaps you can make the samples by those
" q3 N- N1 a" f3 L> specifications. This will allow us to test your radios before we move
0 [2 q( t6 z8 c0 H8 a> forward. We are interested in your 900MHz radio to start.
$ ^1 k$ e( u- \/ d7 H5 v
|
|
IP卡
狗仔卡
发表于 2007-5-27 20:29:37
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
显身卡