|
|
4 I# Y' V0 P6 D# I( n$ c; q4 e
客户要求如下，如果哪家工厂可以做，请和我联系
+ o7 [ W4 w0 f
> The application that we have in mind is similar to others that we commonly
& B" p6 C4 I. v- D1 p> have. If we were to pay for FCC approval, we would want to use the modem
8 a! l. U) f. L2 i8 S) m! n0 M> units in all similar applications under the same approval number.
1 c) Y6 w* B4 z; ]; I/ W% o( Y0 M
> Therefore, we would like to be able to configure the units to a specific
- x1 c t3 `# H- h7 r" J
> application. For the business that we do, this approach will yield more
2 |- D. d6 w/ Y$ J4 t8 j l> sales based on the same product and approval. We are interested in the
+ C& R# U+ L" j$ D
> following specifications:
% z3 ]2 j; G9 \/ V w6 |
>
6 w! ?$ r" [# T% r: O& W
> - 2 inputs at the Transmitter with three possibilities;
( z3 [: H& {* a* {, J5 n
> 2 analog
: ]3 A3 m$ v& j
> 2 digital
) X0 S4 v, L) I& ?( p
> 1 analog and 1 digital
* g/ c, Y& u8 b& W>
, F# e8 W1 ?! q) i
> - 2 outputs at the Receiver with three possibilities to match inputs
% H0 U9 U) V' }, F, k
>
+ Q j9 E' t `3 B
> - Ability to configure/define analog Transmitter input ranges through
7 f( E7 ?$ h) l- E) m- F+ l
> simple programming method to correspond with full-range analog Receiver
: R; C; a7 z0 n7 Q
> outputs (0 - full voltage).
6 g5 o: V% Y ^" M. O>
4 C: Z' J0 e/ V
> - Ability to configure and set sample rates for the inputs.
6 L2 x: o5 ^- _ K& @
>
9 q0 Z" s$ z( b( {: t' U> - Digital output on Transmitter that turns on during the sampling period.
2 Q& ^+ c7 M/ s>
1 N# `" S' h, q! E. {; n> - Ability to configure a power saving Sleep Mode in the Transmitter by
5 r" J9 d- M7 |
> both software control and input hardware control.
# W/ s( K: f( m3 r3 k0 e2 t
>
& n; m! e) X. Z% n; o0 G. {
> In order to configure the units, we would need a way to make the
! `0 \: y- \5 v$ P/ ~. ]9 e
> settings. This would preferably be from a computer terminal so that
( E& ?+ N- Q1 w+ _, k
> configurations can be saved or easily duplicated for production volumes.
9 w) F& v ~) `- i2 f; S
> The units should be small and compact with shielding, and able to mount
5 Y& j$ E/ f7 W: d1 r% r( W
> to a printed circuit board with header connector.
" o: e0 x+ j' r: |8 v
>
9 S; {( t( m0 A1 W' n
> At this time, we are interested in samples of a pair of modems that
! O# Z# q8 C4 t' v/ Z8 d5 ?+ N> might be similar to this proposed system. We do not expect that you
7 B9 ^" A' y7 @1 j8 }* A0 H7 w> provide all of these specifications at this time. I can describe our
& d: I( i) g& I2 f> immediate application needs in the next email if this project is of
% p; T4 `7 a: b. |
> interest to you. Perhaps you can make the samples by those
- N" k; \9 U8 U0 M> specifications. This will allow us to test your radios before we move
6 K9 o% \# a- B; i. Z1 h> forward. We are interested in your 900MHz radio to start.
! R3 ^/ r4 X5 c. q5 n% ?4 O 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