|
|
4 \" m& _; d3 @* J客户要求如下，如果哪家工厂可以做，请和我联系
% U) w& l4 g; T" }2 e
> The application that we have in mind is similar to others that we commonly
# ^% U3 e# o b7 h0 q( h& F
> have. If we were to pay for FCC approval, we would want to use the modem
* y4 [, k K& N' \4 U
> units in all similar applications under the same approval number.
* X. Y5 g3 K; x& H1 J/ |! w
> Therefore, we would like to be able to configure the units to a specific
6 p. C5 O. N, d1 u7 l. y5 n
> application. For the business that we do, this approach will yield more
% |/ Z6 r7 Q1 T9 T
> sales based on the same product and approval. We are interested in the
2 @. x; J: Z* ?, Y) i: m, z; ^ j> following specifications:
& u. w+ l- T& d0 n* A! A>
2 q" S( q% o0 P, ?4 l/ M& t' P* _1 @> - 2 inputs at the Transmitter with three possibilities;
# C4 A# V3 Z% o, `
> 2 analog
p; K, |- R$ ~# W# T
> 2 digital
/ s! m6 \. q- o7 _- U+ r% S> 1 analog and 1 digital
, t# ^: S1 b7 }% V* Z+ G
>
: U0 G' L9 L( z, ?6 x* U( Y( ~0 l
> - 2 outputs at the Receiver with three possibilities to match inputs
7 s7 W) K7 o) Y) j
>
& w f% m8 g/ T# q. T> - Ability to configure/define analog Transmitter input ranges through
' F& \* a" G( F7 \+ B7 K
> simple programming method to correspond with full-range analog Receiver
; I' X4 U' Y! [0 N: N0 W! U) d( K( B
> outputs (0 - full voltage).
& }* C# b0 u; q2 I! |* R1 l. ?
>
) X% I; _$ J5 l# S> - Ability to configure and set sample rates for the inputs.
/ b: t$ z j$ t>
6 T) r# c% q& n. V1 A0 s N, r
> - Digital output on Transmitter that turns on during the sampling period.
' P; `% m5 H+ C- o" L
>
1 K0 m/ V+ e! e2 R: D
> - Ability to configure a power saving Sleep Mode in the Transmitter by
( J; a& S9 {* ^; s9 t9 w) b> both software control and input hardware control.
6 a) L! |$ ^2 K) z. e0 U8 M>
+ c5 L6 J8 K3 b# M0 m> In order to configure the units, we would need a way to make the
8 @0 Y+ e# @6 {3 Z7 U4 x- C& e# F> settings. This would preferably be from a computer terminal so that
% O" w# l# e; O1 a. o6 a" W! R( c, {
> configurations can be saved or easily duplicated for production volumes.
6 m* H' M9 S4 H0 f- T5 R" Q
> The units should be small and compact with shielding, and able to mount
3 y- d( O( c6 J, H$ Z5 |> to a printed circuit board with header connector.
& y& ~: \. Z2 M( x Y( R>
5 W2 G) \; E0 m
> At this time, we are interested in samples of a pair of modems that
* U( s+ k. y9 ^6 b7 }
> might be similar to this proposed system. We do not expect that you
! D0 h) U' o6 [* J7 \& v
> provide all of these specifications at this time. I can describe our
: B' P% |, h: r. P( X; O
> immediate application needs in the next email if this project is of
6 l# a; b' U- a, s& x' h3 V> interest to you. Perhaps you can make the samples by those
, Q+ q( Q8 ?: a4 l2 p, f+ i
> specifications. This will allow us to test your radios before we move
( T! A1 E3 K" U4 i- J4 `, P$ Z: R2 X/ s> forward. We are interested in your 900MHz radio to start.
6 h: @% k3 o" {" R4 g2 y, d* | |
|
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