廬
TSH690
40MHz to 1GHz AMPLIFIER
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1.5V to 5V OPERATING VOLTAGE
28dB GAIN @ 3V @ 450MHz
20dB GAIN @ 3V @ 900MHz
+13.5dBm OUTPUT POWER (P1dB)
BIAS PIN FOR CURRENT ADJUST &
AMPLIFIER DISABLE
ADJUSTABLE OUTPUT POWER
50鈩?INPUT/OUTPUT MATCHING
FULLY GUARANTEED AT 2.7V
DESCRIPTION
TSH690 is a wide band RF amplifier, consisted of
2 stages, designed in advanced bipolar process
featuring 28dB gain and +13.5dBm output power
at 450MHz under 3V. The pin 8 allows an external
bias current adjust to tune the output power and
also to set the amplifier in power-down mode. This
powerful amplifier is dedicated to equip secured RF
data transmitters as antenna drivers in ISM band
(reliable RF meter-reading systems, secured Re-
mote Controls, Cordless Telephones, ...)
PIN CONNECTIONS
(top view)
D
SO8
(Plastic Micropackage)
ORDER CODES
Part Number
TSH690ID
Temperature Range
-40, +85 C
o
Package
D
鈥?/div>
RF out
1
8
Vbias
GND 2
GND
GND
3
4
7 V
CC
6
GND
5 RF in
September 1998
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