|
|
4 h/ _3 N' F$ A- k/ T8 Z% e客户要求如下,如果哪家工厂可以做,请和我联系
8 e6 B8 Q& y+ X! j; R5 E& h> The application that we have in mind is similar to others that we commonly
3 B. a( A$ t6 l3 _! J: _* I> have. If we were to pay for FCC approval, we would want to use the modem # F* T/ x$ ]3 B) R, U! n# S
> units in all similar applications under the same approval number. r$ R. }/ d, ?
> Therefore, we would like to be able to configure the units to a specific
8 `. l4 I: x& h, n1 Y* x. `6 I4 m H E> application. For the business that we do, this approach will yield more
; P) H+ B( ]/ L; W! @: {> sales based on the same product and approval. We are interested in the , n# r3 \3 _0 d; A, }* ], s- G
> following specifications:
& R- Q h' O+ `( P7 S' d> 1 g& o5 I* s5 u
> - 2 inputs at the Transmitter with three possibilities;
u2 n" X( O" ?6 D( U/ ^! |> 2 analog
9 D% P& f: x0 @( H' \> 2 digital
, ]5 S u: `- X> 1 analog and 1 digital
M% R5 J E6 K D; H' j' W$ \/ i> - I* m! t( Y; E, n
> - 2 outputs at the Receiver with three possibilities to match inputs : O$ A+ _" ^7 ]1 l0 v) S- C) k0 p
>
( j8 o/ V) _% c* e& K8 ?# X8 h) k> - Ability to configure/define analog Transmitter input ranges through
4 y9 Y, F1 @" e h6 B> simple programming method to correspond with full-range analog Receiver + s' F4 @! b& u2 }
> outputs (0 - full voltage).
! m! ?! H0 E0 G, ]>
@/ V7 [' {) l, j4 |> - Ability to configure and set sample rates for the inputs.
9 |6 Z+ n/ x9 f5 `' c- Y>
, k W3 o2 o; f! {# K> - Digital output on Transmitter that turns on during the sampling period.
4 p- y4 R! y6 t" |> ' C( o' H' W6 N" y+ X) W
> - Ability to configure a power saving Sleep Mode in the Transmitter by
& Z/ A% r5 F7 w> both software control and input hardware control.
( V1 t9 ?, h- V: w0 o>
: ^( w$ \, P1 o7 [: X: e) z8 c> In order to configure the units, we would need a way to make the " O1 y% x5 {6 O9 r! T2 @& r
> settings. This would preferably be from a computer terminal so that 5 `0 y, e; y% m* M3 y
> configurations can be saved or easily duplicated for production volumes. + k, R ~4 g. d# z$ ], L$ |
> The units should be small and compact with shielding, and able to mount 2 |6 P% J; v' I) L2 f( F ?* L# ]
> to a printed circuit board with header connector.
: _$ q0 ~# J9 D; Q% d> 4 D; y1 n8 b2 {5 [. d8 G
> At this time, we are interested in samples of a pair of modems that
6 d6 F! ^. H4 R* m/ u> might be similar to this proposed system. We do not expect that you
; K% s: L; s' O; B/ u( Y# e s> provide all of these specifications at this time. I can describe our ) J( f3 |3 J( _; ~
> immediate application needs in the next email if this project is of
6 r" l" k2 F9 s h> interest to you. Perhaps you can make the samples by those
* c; `0 \# u% t# P$ A" A5 T5 ~6 h8 w> specifications. This will allow us to test your radios before we move
: I3 C! o% s9 t> forward. We are interested in your 900MHz radio to start.
* r1 k9 R8 U9 M) \% w- z( r |
|