|
|
4 q4 }9 e5 C3 V2 a( l: |客户要求如下,如果哪家工厂可以做,请和我联系 $ g! Q& K+ ]2 I8 A, U
> The application that we have in mind is similar to others that we commonly
5 ?# L' X. ~1 K8 Z6 v8 o> have. If we were to pay for FCC approval, we would want to use the modem 5 V* j [3 _3 Z1 @0 |: G. Z" Y) V" h
> units in all similar applications under the same approval number.
6 p$ Z( k9 c, W" L: |> Therefore, we would like to be able to configure the units to a specific ) U0 t! E% ]: G& @: q( l6 H
> application. For the business that we do, this approach will yield more 4 Q: \: j$ M- b5 V6 \
> sales based on the same product and approval. We are interested in the , e5 I% N# G8 x
> following specifications:
1 O) S& \* F |/ |8 p n>
0 O# i- b w# y# U4 D# Z( F' _> - 2 inputs at the Transmitter with three possibilities; - i1 ~8 i9 ], ?! [. w. \- ^
> 2 analog
6 s1 W* x( o) Z> 2 digital & X8 T! f% O2 f+ V
> 1 analog and 1 digital 4 l& h- l. A3 C% x3 L$ \2 r
> 3 f) B" D4 z" O' Y5 H
> - 2 outputs at the Receiver with three possibilities to match inputs 0 l/ w* ]3 N& V. P
>
7 J4 t8 t" D( ?2 h> - Ability to configure/define analog Transmitter input ranges through
. x, C" G3 q) Y$ U8 l9 ~8 @# I2 C5 f1 ~> simple programming method to correspond with full-range analog Receiver
4 Y b+ `; }! F3 }+ z$ k- F/ ]/ @ w> outputs (0 - full voltage). 5 C" _! Q4 K! ^$ t6 R+ b; c
>
) U( d( T/ f# E0 b1 j> - Ability to configure and set sample rates for the inputs. $ x7 }' s& n0 ]7 p
> 5 K; T4 l. G4 n/ l: K
> - Digital output on Transmitter that turns on during the sampling period.
6 Y; ^1 ]0 m! f5 ~* ?5 n> 9 C4 `$ H/ H- x
> - Ability to configure a power saving Sleep Mode in the Transmitter by
* V9 C: p% y' L8 C& k. {" k6 F% j> both software control and input hardware control.
) S1 j- z5 K* a" a> 8 l' ?% s6 y$ S3 b3 A6 A
> In order to configure the units, we would need a way to make the
! c1 h% M$ Y) p* h. b$ X> settings. This would preferably be from a computer terminal so that
+ o( N5 V0 m$ ~3 y m0 |> configurations can be saved or easily duplicated for production volumes. 8 d! L: V) X3 o, `! l+ f: V2 D
> The units should be small and compact with shielding, and able to mount : r4 P" A( t) T
> to a printed circuit board with header connector.
" ~$ L! m9 p4 q4 a> : B6 d# I7 t) ~ n) Y
> At this time, we are interested in samples of a pair of modems that
U2 e4 M& A; @* }( X> might be similar to this proposed system. We do not expect that you
# a3 Y( N4 s. h9 P- [# f/ w# {& w* [$ y> provide all of these specifications at this time. I can describe our 2 g1 ^( p- N( o% U; M' R
> immediate application needs in the next email if this project is of ( m5 ]% x- x* X% v" b
> interest to you. Perhaps you can make the samples by those
. t. N$ P. A3 r+ ~> specifications. This will allow us to test your radios before we move
. y: {" v- y; i* ^) _1 L> forward. We are interested in your 900MHz radio to start.
7 V4 @. u* l& W" ]( o: B! e$ t |
|