|
|
+ g1 H$ `2 Y4 C6 Q& j8 j b& {
客户要求如下，如果哪家工厂可以做，请和我联系
; s- t _, S2 w% @6 v
> The application that we have in mind is similar to others that we commonly
( I7 Q3 z2 `9 i. P4 c> have. If we were to pay for FCC approval, we would want to use the modem
4 g( r @8 i8 q( S* V4 Z6 z' ~> units in all similar applications under the same approval number.
- E: S g5 A9 o+ J2 J" U5 D# a> Therefore, we would like to be able to configure the units to a specific
; H: E0 h O. b- P, C
> application. For the business that we do, this approach will yield more
* A& C4 d; J3 J$ {! C9 n8 T> sales based on the same product and approval. We are interested in the
5 k, Q! k! O$ G) h> following specifications:
7 J' `2 t+ a% ~, j
>
. ]! Y4 B7 D! D# g- y
> - 2 inputs at the Transmitter with three possibilities;
. W. Q" f! z% A" M7 U& X
> 2 analog
( Q% C* r( ~( @
> 2 digital
& `" b2 M! D8 h, T# M
> 1 analog and 1 digital
+ F& I: }/ r! G2 G$ w0 J6 i>
' E4 a" Z6 s1 d) ?, H' V6 S* B
> - 2 outputs at the Receiver with three possibilities to match inputs
$ D! a: U: f4 j; b! p! P4 t. Y>
9 [' [) c" Z% i) m> - Ability to configure/define analog Transmitter input ranges through
& [+ U' M, S8 _
> simple programming method to correspond with full-range analog Receiver
$ s4 Y* p( e; `5 \) c- I+ d> outputs (0 - full voltage).
$ B8 S! @8 W2 }% J8 m1 e9 q>
4 W0 c) H- @# `7 h" f- p
> - Ability to configure and set sample rates for the inputs.
) W4 H- a7 x% E- i>
4 n6 L+ k9 M8 K1 h> - Digital output on Transmitter that turns on during the sampling period.
0 z K6 y, s- c) X# _ p6 n. U
>
# P4 n1 p1 v2 {2 U+ p
> - Ability to configure a power saving Sleep Mode in the Transmitter by
$ \. V4 i# Q" E0 Y* l' B
> both software control and input hardware control.
3 x9 ^& e+ S% y$ X>
: `7 T* q0 @/ q/ |6 O
> In order to configure the units, we would need a way to make the
; Y7 z9 _: n* h; ?
> settings. This would preferably be from a computer terminal so that
8 _; N4 I$ ^' H) ^
> configurations can be saved or easily duplicated for production volumes.
; p0 ?0 H6 e, a& Z# {% r> The units should be small and compact with shielding, and able to mount
1 }+ j: g3 | b
> to a printed circuit board with header connector.
; J/ N5 D( P: o, W" m& O>
3 {7 L( S' }% ?( ~: _. Z
> At this time, we are interested in samples of a pair of modems that
1 o) }1 Y9 b0 D) { T3 X- o
> might be similar to this proposed system. We do not expect that you
/ k6 s6 T% }+ S" c6 k9 {& n5 i" f
> provide all of these specifications at this time. I can describe our
5 z$ P, |* S. R4 f8 v) q> immediate application needs in the next email if this project is of
7 t" {2 G! S9 w6 v
> interest to you. Perhaps you can make the samples by those
% ~/ v7 j% e5 M. x: a# O> specifications. This will allow us to test your radios before we move
* H3 k J, ^7 {# g1 n> forward. We are interested in your 900MHz radio to start.
" B! B: ^/ r2 y( _
|
|
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