CHV2240 Datasheet, PDF (1/8 Pages) United Monolithic Semiconductors – Multifunction : K-band VCO and Q-band Multiplier

CHV2240
Multifunction : K-band VCO and Q-band Multiplier
GaAs Monolithic Microwave IC
Description
The CHV2240 is a monolithic multifunction
proposed for frequency generation at
38GHz. It integrates a K-band Voltage
Controlled Oscillator, a Q-band frequency
multiplier and buffer amplifiers. For
performance optimisation, an external port
(ERC) allows a passive resonator coupling
to the oscillator (at half output frequency).
This chip has been especially designed to
be coupled to a high Q dielectric resonator.
All the active devices are internally self
biased.
The circuit is manufactured with the P-
HEMT process : 0.25µm gate length, via
holes through the substrate, air bridges
and electron beam gate lithography.
It is available in chip form.
Main Features
n K-band VCO + Q-band frequency
multiplier
n External resonator for centre frequency
control and phase noise optimisation
n High quality oscillator when coupled to
a dielectric resonator
n On-chip varactor for electronic control
n Chip size 2.68x1.4 x 0.1 mm
+V
-V
F_out/2
HIGH Q
ERC
RESONATOR
RF_out
x2
(F_out)
V_tune
Multifunction block diagram
38,204
38,202
38,2
T=-40°C
38,198
38,196
38,194
T=+25°C
T=+100°C
38,192
38,19
0 0,2 0,4 0,6 0,8 1 1,2 1,4 1,6 1,8 2
Vtune (V)
Typical tuning characteristic
Main Characteristics
Tamb = +25°C
Symbol
Parameter
F_out Output frequency
F_t Frequency tuning range (high Q resonator)
Pn
Oscillator phase noise @ 100kHz (38GHz)
Pout Output power
Min Typ Max Unit
37.5 38.25 39 GHz
5
MHz
-100
dBc/Hz
9
dBm
ESD Protections : Electrostatic discharge sensitive device observe handling precautions !
Ref. :DSCHV22400096 -05-Apr-00
1/8
Specifications subject to change without notice
united monolithic semiconductors S.A.S.
Route Départementale 128 - B.P.46 - 91401 Orsay Cedex France
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