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Data Guide. TXE-315-KH Datasheet

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Data Guide. TXE-315-KH Datasheet






TXE-315-KH Guide. Datasheet pdf. Equivalent




TXE-315-KH Guide. Datasheet pdf. Equivalent





Part

TXE-315-KH

Description

(TXE-xxx-KH) Transmitter / Encoder Data Guide



Feature


TXE-315-KH TXE-418-KH TXE-433-KH WIRELES S MADE SIMPLE KH SERIES TRANSMITTER/EN CODER DATA GUIDE DESCRIPTION The KH Ser ies is ideally suited for volume use 1. 220" in OEM applications such as remote control/command and keyless entry. It combines a highly optimized RF transmit ter with an on-board encoder. When pair ed with a 0.630" RF TRANSMITTER/ENCODER TXE-418-KH matchi.
Manufacture

Linx

Datasheet
Download TXE-315-KH Datasheet


Linx TXE-315-KH

TXE-315-KH; ng KH series receiver / decoder module, LOT 2000 a highly reliable wireless lin k is formed, capable of transferring th e status of 8 parallel inputs for dista nces in excess of 300 feet. Ten tri-sta te address lines provide 310 addresses for security and uniqueness. Housed in a compact 0.18" SMD package, the KH tra nsmitter utilizes a SAW architecture to achieve an unmatc.


Linx TXE-315-KH

hed blend of performance, size, and cost . No Figure 1: Package Dimensions exter nal RF components, except an antenna, a re required, making integration straigh tforward. FEATURES „ „ „ „ „ Low cost On-board encoder 8 parallel binary outputs 310 addresses for security and uniqueness No external RF components r equired „ „ „ „ „ „ Ultra-low pow er consumption Compact SMD Pa.


Linx TXE-315-KH

ckage Stable SAW-based architecture Adju stable output power Transmit enable lin e No production tuning APPLICATIONS IN CLUDE „ „ „ „ „ „ „ „ „ Remote Control / Command Keyless Entry Garage / Gate Openers Lighting Control Call S ystems Home / Industrial Automation Fir e / Security Alarms Remote Status Monit oring Wire Elimination ORDERING INFORM ATION PART # DESCRIPTION EV.

Part

TXE-315-KH

Description

(TXE-xxx-KH) Transmitter / Encoder Data Guide



Feature


TXE-315-KH TXE-418-KH TXE-433-KH WIRELES S MADE SIMPLE KH SERIES TRANSMITTER/EN CODER DATA GUIDE DESCRIPTION The KH Ser ies is ideally suited for volume use 1. 220" in OEM applications such as remote control/command and keyless entry. It combines a highly optimized RF transmit ter with an on-board encoder. When pair ed with a 0.630" RF TRANSMITTER/ENCODER TXE-418-KH matchi.
Manufacture

Linx

Datasheet
Download TXE-315-KH Datasheet




 TXE-315-KH
TXE-315-KH
TXE-418-KH
TXE-433-KH
WIRELESS MADE SIMPLE
KH SERIES TRANSMITTER/ENCODER DATA GUIDE
DESCRIPTION
The KH Series is ideally suited for volume use
in OEM applications such as remote
control/command and keyless entry. It
combines a highly optimized RF transmitter
with an on-board encoder. When paired with a
matching KH series receiver / decoder module,
a highly reliable wireless link is formed, capable
of transferring the status of 8 parallel inputs for
distances in excess of 300 feet. Ten tri-state
address lines provide 310 addresses for
security and uniqueness. Housed in a compact
SMD package, the KH transmitter utilizes a
1.220"
0.630"
RF TRANSMITTER/ENCODER
TXE-418-KH
LOT 2000
0.18"
SAW architecture to achieve an unmatched
blend of performance, size, and cost. No Figure 1: Package Dimensions
external RF components, except an antenna,
are required, making integration straightforward.
FEATURES
„ Low cost
„ On-board encoder
„ 8 parallel binary outputs
„ 310 addresses for security and
uniqueness
„ No external RF components
required
„ Ultra-low power consumption
„ Compact SMD Package
„ Stable SAW-based architecture
„ Adjustable output power
„ Transmit enable line
„ No production tuning
APPLICATIONS INCLUDE
„ Remote Control / Command
„ Keyless Entry
„ Garage / Gate Openers
„ Lighting Control
„ Call Systems
„ Home / Industrial Automation
„ Fire / Security Alarms
„ Remote Status Monitoring
„ Wire Elimination
ORDERING INFORMATION
PART #
DESCRIPTION
EVAL-***-KH
Basic Evaluation Kit
TXE-315-KH
Transmitter 315 MHz
TXE-418-KH
Transmitter 418 MHz
TXE-433-KH
Transmitter 433 MHz
RXD-315-KH
Receiver 315 MHz
RXD-418-KH
Receiver 418 MHz
RXD-433-KH
Receiver 433 MHz
*** Insert Frequency
Transmitters are supplied in tubes of 20 pcs.
Revised 12/31/04




 TXE-315-KH
ELECTRICAL SPECIFICATIONS
Parameter
POWER SUPPLY
Operating Voltage
Supply Current
Power-down Current
TRANSMITTER SECTION
Transmit Frequency Range
TXM-315-KH
TXM-418-KH
TXM-433-KH
Center Frequency Accuracy
Output Power
Harmonic Emissions
TXM-315-KH
TXM-418-KH
TXM-433-KH
ANTENNA PORT
RF Input Impedance
ENCODER
Data Length
Average Data Duty Cycle
Encoder Oscillator
Data Input
Logic Low
Logic High
Input Sink Current
ENVIRONMENTAL
Operating Temperature Range
Designation Min.
Typical
Max.
VCC
ICC
IPDN
FC
PO
2.7 5.2
1.5
1–
315
418
– 433.92 –
-75 +75
-4 +2 +4
-40 –
-40 –
-45 –
RIN 50
FENC
– 26 bits 3x –
– 50% –
– 70 –
0 – 0.2xVcc
Vccx0.8
Vcc
0.6 1 1.2
– -30 – +70
Table 1: KH Series Transmitter Electrical Specifications
Notes
1. Current draw with 50% mark/space ratio.
2. Into a 50load.
3. With 430resistor on LADJ.
4. Characterized, but not tested.
Units Notes
VDC
mA
µA
1, 4
MHz
MHz
MHz
kHz
dBm
dBc
dBc
dBc
kHz
VDC
VDC
mA
°C
3
4
4
4
4
4
4
4
*CAUTION*
This product incorporates numerous static-sensitive components.
Always wear an ESD wrist strap and observe proper ESD handling
procedures when working with this device. Failure to observe this
precaution may result in module damage or failure.
Page 2
ABSOLUTE MAXIMUM RATINGS
Supply voltage VCC
Any input or output Pin
Operating temperature
Storage temperature
Soldering temperature
-0.3 to +6.0
-0.3 to VCC
-30 to +70
-45 to +85
+225°C for 10 seconds
VDC
VDC
°C
°C
*NOTE* Exceeding any of the limits of this section may lead to permanent
damage to the device. Furthermore, extended operation at these maximum
ratings may reduce the life of this device.
PERFORMANCE DATA
These performance parameters are
based on module operation at 25°C
from a 3.0VDC supply unless
otherwise noted. Figure 2 at the right
illustrates the connections
necessary for testing and operation.
It is recommended all ground pins
be connected to the groundplane.
VCC
3VDC
1 GND/LVL ANT 24
2 D0
GND 23
3 D1
4 GND
5 VCC
6 TE
A9 22
A8 21
A7 20
A6 19
7 D2
8 D3
A5 18
A4 17
9 D4
A3 16
10 D5
A2 15
11 D6
A1 14
12 D7
A0 13
Figure 2: Test/Basic Application Circuit
TYPICAL PERFORMANCE GRAPHS
12
11
10
9
8
7
6 With LADJ tied to ground
5
4
3
2
1 With 430resistor on LADJ
0
2.5 3.0 3.5 4.0 4.5 5.0
Supply Voltage (V)
Figure 3: Supply Current vs Supply Voltage
+8
+7 With LADJ tied to ground
+6
+5
+4
+3
+2
+1
0
-1
-2
-3
-4
With 430resistor on LADJ
-5
-6
-7
2.5 3.0 3.5 4.0 4.5 5.0
Supply Voltage (V)
Figure 4: Output Power vs Supply Voltage
+8
+7
+6
+5
+4
+3
+2
5V
+1
0
-1 3V
-2
-3
-4
51 100 150 200 240 300 360 430 510 560 620 680 750 820 910 1.1K
LADJ Pin Resistor Value ()
Figure 5: Output Power vs LADJ Resistor
Page 3




 TXE-315-KH
PIN ASSIGNMENTS
1 LADJ/GND ANT 24
2 D0
GND 23
3 D1
A9 22
4 GND
A8 21
5 VCC
A7 20
6 TE
A6 19
7 D2
A5 18
8 D3
A4 17
9 D4
A3 16
10 D5
A2 15
11 D6
A1 14
12 D7
A0 13
Figure 6: KH Series Transmitter Pinout (Top View)
PIN DESCRIPTIONS
Pin # Name
Description
Level Adjust. This line can be used to adjust the output
1
GND/LADJ
power level of the transmitter. Connecting to GND will give
the highest output, while placing a resistor to GND will
lower the output level.
2, 3 &
7 - 12
D0 - D1
Data Input Lines. When TE goes high, the module will
encode the state of these lines for transmission. Upon
receipt of a valid transmission, the receiver / decoder will
replicate these lines on its output lines.
4 GND
5 VCC
Analog Ground
Supply Voltage
Transmit Enable Line. When this line goes high the module
6 TE will encode the states of the address and data lines into a
packet and transmit the packet three times.
13-22 A0 - A9
23 GND
24 ANT
Address Lines. The state of these lines must match the
state of the receiver’s address lines in order for a
transmission to be accepted.
Analog Ground
50-ohm RF Output
Page 4
MODULE DESCRIPTION
The KH Series transmitter / encoder module combines a high-performance
Surface Acoustic Wave (SAW) based transmitter with an on-board encoder.
When combined with a Linx KH Series receiver / decoder a highly reliable RF link
capable of transferring control or command data over line-of-sight distances in
excess of 300 feet (90m) is formed. The module accepts up to 8 parallel inputs,
such as switches or contact closures, and provides ten tri-state address lines for
security and creation of 310 or 59,049 unique transmitter / receiver relationships.
The KH’s compact surface-mount package integrates easily into existing designs
and is friendly to hand production or automated assembly.
50 RF OUT
(Ant.)
SAW
Oscillator
Keyed Output
TX Enable
Address Inputs
A0-A9
Divider
Counter
OSC
Parallel
Inputs
D0-D7
Output Isolation RF Amplifier
& Filter
RF STAGE
TRI-Detect
ENCODER STAGE
Figure 7: KH Series Transmitter Block Diagram
THEORY OF OPERATION
The KH Series transmitter operation is straightforward. When the Transmit
Enable (TE) line is taken high, the on-board encoder IC is activated. The encoder
detects the logic states of the data and address lines. These states are formatted
into a 3-word transmission, which continues until the TE line is taken low. The
encoder creates a serial data packet that is used to modulate the transmitter.
The KH transmitter section is based on a simple but highly optimized architecture
that achieves a high fundamental output power with low harmonic content. This
ensures that most approval standards can be met without external filter
components. The KH transmitter is exceptionally stable over variations in time,
temperature, and physical shock as a result of the precision SAW device that is
incorporated as the frequency reference.
The transmitted signal may be received by any Linx KH Series receiver / decoder
module or Linx LC or LR Series receiver combined with the appropriate decoder
IC. Once data is received it is decoded using a decoder IC or custom
microcontroller. The transmitted address bits are checked against the address
settings of the receiving device. If a match is confirmed, the decoder’s outputs
are set to replicate the transmitter’s inputs.
Page 5






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