Rainbow Electronics MAX19997A - Manual (Page 3)

MAX19997A
Dual, SiGe High-Linearity, 1800MHz to 2900MHz
Downconversion Mixer with LO Buffer
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RECOMMENDED AC OPERATING CONDITIONS
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
RF Frequency Without External
Tuning
f
RF
(Note 5) 2400 2900 MHz
RF Frequency with External
Tuning
f
RF
S ee Tab l e 2 for an outl i ne of tuni ng el em ents
op ti m i zed for 1950M H z op er ati on;
op ti m i zati on at other fr eq uenci es w i thi n the
1800M H z to 2400M H z r ang e can b e
achi eved w i th different component values;
contact the factory for details
1800 2400 MHz
LO Frequency f LO (Notes 5, 6) 1950 3400 MHz
Using Mini-Circuits TC4-1W-17 4:1
transformer as defined in the Typical
Application Circuit, IF matching
components affect the IF frequency range
(Notes 5, 6)
100 500
IF Frequency f IF
Using alternative Mini-Circuits TC4-1W-7A
4:1 transformer, IF matching components
affect the IF frequency range (Notes 5, 6)
50 250
MHz
LO Drive Level P LO -3 +3 dBm
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Conversion Gain G C
f RF = 2400MHz to 2900MHz,
T C = +25°C (Notes 8, 9, 10)
8.1 8.7 9.3 dB
f RF = 2305MHz to 2360MHz 0.15
f RF = 2500MHz to 2570MHz 0.15
f
RF
= 2570MHz to 2620MHz 0.1
f RF = 2500MHz to 2690MHz 0.15
Conversion Gain Flatness
f RF = 2700MHz to 2900MHz 0.15
dB
Gain Variation Over Temperature TC CG
f RF = 2300MHz to 2900MHz,
T C = -40°C to +85°C
-0.01 dB/°C
Input Compression Point IP 1dB (Notes 8, 9, 11) 9.6 11.3 dBm
f RF1 - f RF2 = 1MHz, P RF = -5dBm per tone
(Notes 8, 9)
22.0 24
Third-Order Input Intercept Point IIP3
f RF = 2600MHz, f RF1 - f RF2 = 1MHz,
P RF = -5dBm per tone, T C = +25C
(Notes 8, 9)
22.5 24
dBm
Thi r d - O r d er Inp ut Inter cep t P oi nt
V ar i ati on Over Tem p er atur e
f RF1 - f RF2 = 1MHz, T C = -40°C to +85°C ±0.3 dBm
+5.0V SUPPLY, HIGH-SIDE LO INJECTION AC ELECTRICAL CHARACTERISTICS
( Typical Application Circuit optimized for the standard RF band (see Table 1), V CC = +4.75V to +5.25V, RF and LO ports are driven
from 50 Ω sources, P
LO = -3dBm to +3dBm, P RF = -5dBm, f RF = 2300MHz to 2900MHz, f LO = 2650MHz to 3250MHz, f IF = 350MHz,
f RF < f LO , T C = -40°C to +85°C. Typical values are at V CC = +5.0V, P RF = -5dBm, P LO = 0dBm, f RF = 2600MHz, f LO = 2950MHz,
f IF = 350MHz, T C = +25°C, unless otherwise noted.) (Note 7)