SILICON MMIC UHF/VHF
DUAL DOWNCONVERTER
UPC2743GS
UPC2744GS
FEATURES
INTERNAL BLOCK DIAGRAM
•
•
UHF AND VHF DOWNCONVERTERS ON A SINGLE IC
HIGH CONVERSION GAIN: 31 dB (UPC2744GS)
20
19
18
1
2
3
23 dB (UPC2743GS)
•
•
•
•
LOW DISTORTION: UPC2743GS
TYPICAL SATURATED OUTPUT POWER: +13 dBm
9 V SINGLE SUPPLY
SMALL PACKAGE: 20 PIN SOP
Suitable for Surface Mount
17
16
4
5
•
TAPE AND REEL PACKAGING OPTION AVAILABLE
15
14
6
7
DESCRIPTION
The UPC2743GS and UPC2744GS are Silicon Monolithic
Integrated Circuits designed using the NESAT II MMIC pro-
cess. These products consist of UHF and VHF double bal-
anced mixers and local oscillators, an IF amplifier, an oscillator
output buffer amplifier and a UHF/VHF switching circuit.
These devices are ideal for TV and VCR tuners.
13
12
8
9
NEC's stringent quality assurance and test procedures en-
sure the highest reliability and performance.
11
10
ELECTRICAL CHARACTERISTICS (TA = 25°C, VCC = 9 V, fIF = 45 MHz)
PART NUMBER
PACKAGE OUTLINE
UPC2743GS
G20
UPC2744GS
G20
VHF1
CIRCUIT
UHF2
CIRCUIT
VHF1
CIRCUIT
UHF2
CIRCUIT
SYMBOLS
PARAMETERS AND CONDITIONS UNITS MIN TYP MAX MIN TYP MAX MIN TYP MAX MIN TYP MAX
ICC
Circuit Current (no signal)
mA
37
47
57
39
49
59
37
47
57
39
49
59
CG3
Conversion Gain (PRF = -30 dBm)
fRF = 55 MHz
dB 16.5
dB 16.5
dB 16.5
dB
20
20
20
23.5
23.5
23.5 19.5
19.5
21.5 25
21.5 25
26.5 21.5 25
26.5
28.5
28.5
28.5 27.5
27.5
fRF = 200 MHz
fRF = 470 MHz
fRF = 890 MHz
23
23
31
31
34.5
34.5
CG4
Conversion Gain (PRF = -30 dBm)
fRF = 55 MHz
dB
dB
dB
dB
22
22.5
27.5
28
fRF = 360 MHz
fRF = 400 MHz
fRF = 800 MHz
27
26.5
35.5
35
3
PSAT
Saturated Output Power (PRF = 0 dBm)
fRF = 55 MHz
dBm 10
dBm 10
dBm 10
dBm
13
13
13
10
10
10
13
13
13
fRF = 200 MHz
fRF = 470 MHz
fRF = 890 MHz
10
10
13
13
10
10
13
13
Notes:
1. Mode Select (Pin 5) = open.
2. Mode Select (Pin 5) = 9 V.
3. Measured with external LO, PLO = -5 dBm.
4. Measured with internal LO
California Eastern Laboratories