|
|
5 T$ {9 s i/ I1 P; O* u ]
客户要求如下,如果哪家工厂可以做,请和我联系 1 D% j+ L5 e+ n" y
> The application that we have in mind is similar to others that we commonly
F6 ^- m; A, y- }0 G" |# y$ `# d) O> have. If we were to pay for FCC approval, we would want to use the modem ( R8 q' p$ J; J3 p/ \) Z7 ]' E
> units in all similar applications under the same approval number.
! l0 _1 f8 Y3 L" K3 h/ E> Therefore, we would like to be able to configure the units to a specific
& v7 [- I6 B. i0 v9 c> application. For the business that we do, this approach will yield more & b9 G6 T. b, e0 c
> sales based on the same product and approval. We are interested in the G6 u: j0 A/ [2 l9 J. U
> following specifications:
8 R" [8 x5 X3 N; e> ' G( e8 F$ Y, z, D9 N2 B5 I/ ^& `0 {
> - 2 inputs at the Transmitter with three possibilities; - @9 D; ^; j/ [
> 2 analog
8 v$ A1 {$ l. m) B# ?8 M% r. a> 2 digital $ W/ @* s. w. f, M+ J
> 1 analog and 1 digital 6 M$ G9 K; p3 h' w @' E0 F" T
> # j# S) _+ l% { Y7 Y
> - 2 outputs at the Receiver with three possibilities to match inputs 8 x t. r; z( g& ^
>
$ f: o/ Z( z7 Z* K7 V; Q> - Ability to configure/define analog Transmitter input ranges through 7 ]# V$ m9 o) b7 _7 N+ E
> simple programming method to correspond with full-range analog Receiver
: c9 S% N& f$ q> outputs (0 - full voltage).
3 | k+ h1 L4 h3 C* }> ! h% d) U0 k0 Z3 d
> - Ability to configure and set sample rates for the inputs.
. a5 `, G+ e9 `: s7 A. P, X- ~>
8 P: Z) G* A1 [7 p: e# {7 S> - Digital output on Transmitter that turns on during the sampling period.
! |" K! {1 c+ c6 {> 2 x# l- l% Z% r# O0 Q0 G1 e& O J, a
> - Ability to configure a power saving Sleep Mode in the Transmitter by
1 ~6 T7 b) P& H! Q1 Z* j> both software control and input hardware control. 8 |' X Q: Z3 ?2 ~
> 0 Z$ |" L! Z2 v; T: ]. g
> In order to configure the units, we would need a way to make the
k3 S9 Y7 O* [& ~" f$ }> settings. This would preferably be from a computer terminal so that ; Y3 m% [6 T. U2 X- Q8 Z4 j
> configurations can be saved or easily duplicated for production volumes.
, X/ h2 }; [% b/ z; l8 [> The units should be small and compact with shielding, and able to mount
. Q. M3 k4 [( h) X( p: C> to a printed circuit board with header connector.
2 @" q$ ~: g/ n. E* e/ M& B) \>
; d- l$ N# R, ~, e0 @> At this time, we are interested in samples of a pair of modems that
* K' M, q8 C9 C2 O> might be similar to this proposed system. We do not expect that you
1 G2 A/ y8 i7 w0 j* b" M> provide all of these specifications at this time. I can describe our 9 f# p. C8 X: |3 v- w7 r
> immediate application needs in the next email if this project is of ! N2 f6 Z; h* A) l; X- u
> interest to you. Perhaps you can make the samples by those - [1 x5 e2 f( F# T. ]; I7 i8 ?( f3 q
> specifications. This will allow us to test your radios before we move . ]) P( N6 t% N7 U/ W
> forward. We are interested in your 900MHz radio to start. ' {9 ?# K' b" Z$ c$ W
|
|