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+ U! I! q0 b1 t* l" F客户要求如下,如果哪家工厂可以做,请和我联系
. h5 `2 F/ A6 ~ P$ j! h7 _: I> The application that we have in mind is similar to others that we commonly : f) b% `" } T% Y# q1 x
> have. If we were to pay for FCC approval, we would want to use the modem % p% x+ R q6 g" x
> units in all similar applications under the same approval number.
4 i( |& K; A, [* \. U# ^> Therefore, we would like to be able to configure the units to a specific
0 w# `; _. ~6 K1 y: {5 r2 Z> application. For the business that we do, this approach will yield more ( q# U" U$ m5 D) c3 u1 ^/ a( s
> sales based on the same product and approval. We are interested in the 4 {6 ]) y- ?+ Z
> following specifications:
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2 k3 Y% |0 t* {# U' p3 f9 l> - 2 inputs at the Transmitter with three possibilities; 7 D; Z' b( R% x$ ]( c3 E
> 2 analog ! d& Q% l6 U! H: ]* A! h
> 2 digital + P/ q2 o1 I0 a6 ?
> 1 analog and 1 digital
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* s. Y- ?; S/ R. y+ @# M* X> - 2 outputs at the Receiver with three possibilities to match inputs
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& }: a A/ `8 Q R8 W3 K* y> - Ability to configure/define analog Transmitter input ranges through
- m, v' g8 w; G, p" H> simple programming method to correspond with full-range analog Receiver
( v4 L7 m" { f% J- h9 ^> outputs (0 - full voltage).
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3 z3 E: c) I2 ^# i% |: u m" x> - Ability to configure and set sample rates for the inputs. # Q \. U4 k; z& u
> 9 V* {; i6 O6 s9 {2 P5 {
> - Digital output on Transmitter that turns on during the sampling period. . V6 d7 F6 M, J- K- b
>
{% F0 X1 A, D) P# e6 W> - Ability to configure a power saving Sleep Mode in the Transmitter by 3 U; D5 X: K8 d D) ?& Q4 @3 [ {
> both software control and input hardware control.
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7 P+ G" A$ d0 @% G9 g8 }+ }> In order to configure the units, we would need a way to make the
: f- J; K. W6 n. e4 `> settings. This would preferably be from a computer terminal so that ( D" M* a" E0 C- v# I
> configurations can be saved or easily duplicated for production volumes.
' L* o2 X% s, f9 X! A7 g/ G5 _5 }# o> The units should be small and compact with shielding, and able to mount 7 I3 s' F$ H$ k. M/ r3 n6 K1 B
> to a printed circuit board with header connector. # b7 }: U' \4 |+ t. V$ H5 F* e
>
+ U5 ^ G5 z& B; |& |" V- x> At this time, we are interested in samples of a pair of modems that
* o1 K3 _: b6 z& p. L. v& s> might be similar to this proposed system. We do not expect that you
, E* H6 [6 J \; f* j4 ?> provide all of these specifications at this time. I can describe our 2 G/ s% j* r" M
> immediate application needs in the next email if this project is of 9 u, _* Y2 V2 Y5 ^+ }8 y, u$ {: o
> interest to you. Perhaps you can make the samples by those
) v9 I3 k" t# C$ }4 W- m> specifications. This will allow us to test your radios before we move
% I" y2 c2 H# e9 F( P$ a> forward. We are interested in your 900MHz radio to start. 7 W5 l: U. r- L/ I- |' c- m
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