CHM2378A Datasheet, PDF (2/8 Pages) United Monolithic Semiconductors – W-band Dual Channel Mixer

CHM2378a
W-band Dual Channel Mixer
Electrical Characteristics
Full operating temperature range, used according to section “Typical assembly and bias
configuration”
Symbol
Parameter
Min
F_lo, F_rf LO,RF frequency
76
F_if
IF frequency range
DC-100
Lc
Conversion loss
4.5
|(d(∆Lc)/dT)* ∆T| Conversion loss difference from
chip to chip versus temperature
P_lo
LO input power
4
P_RF_1dB RF input power at 1 dB
-3
VSWR_lo LO port VSWR (50Ω)
VSWR_rf RF port VSWR (50Ω)
IMP_if
IF load impedance (1)
I_lo/rf
LO/RF isolation
20
I_rf1/rf2
Isolation between RF channels
25
I_rfi/rfj
Isolation between RF and IF 25
channels
R_lo_am LO AM noise rejection (SSB)
25
NF
Noise figure for IF=1kHz (2)
Noise figure for IF=10kHz (2)
Noise figure for IF=100kHz (2)
Noise figure for IF=200kHz (2)
+V
Positive supply voltage (3)
+I
Positive supply current (3)
Top
Operating temperature range
-40
Typ
Max
Unit
77
GHz
MHz
7.5
9.5
dB
0.3
dB
(to be confirmed)
7
11
dBm
0
dBm
2:1
2.5:1
2:1
2.5:1
200
Ω
25
dB
30
dB
30
dB
30
dB
34
39
dB
28
33
dB
20.5
25.5
dB
17
22
dB
4.5
V
1.5
2.5
mA
+100
°C
(1) The IF optimum load for conversion loss is 200Ω. For minimum noise figure this load can be lower,
the best results have been obtained on 50Ω.
(2) Measured on 200Ω IF impedance.
(3) An external resistor controls the bias current (see section “Typical Assembly and Bias
Configuration”)
Ref. DSCHM23781269 -26-Sep.-01
2/8
Specifications subject to change without notice
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