The µPC3207GR is a Silicon monolithic IC designed for receiver applications. This IC consists of a double balanced
mixer (DBM), local oscillator, preamplifier for precscaler operation, IF amplifier, regulator, UHF/VHF switching circuit,
and so on. This one-chip IC covers a wide frequency band from VHF to UHF bands. This IC is packaged in 20-pin
SSOP (Shrink Small Outline Package) suitable for surface mounting.
FEATURES
• VHF to UHF bands operation.
• Low distortionCM: VHF (@fRF = 470 MHz) 96 dB
UHF (@fRF = 890 MHz) 92 dB
• Supply voltage : 9 V
• Packaged in 20-pin SSOP suitable for surface mounting
µ
µ
APPLICATIONS
• Tuners for TV and VCR
• Receivers for VHF to UHF bands
ORDERING INFORMATION
Part NumberPackageSupplying Form
µ
PC3207GR-E120-pin plastic SSOP (225 mil)Embossed tape 12 mm wide.
Pin 1 indicates pull-out direction of tape.
Qty 2.5 kp/reel.
To order evaluation samples, please contact your local NEC office. (Part number for sample order: µPC3207GR)
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for availability
and additional information.
Document No. P13717EJ3V0DS00 (3rd edition)
Date Published October 1999 N CP(K)
Printed in Japan
INTERNAL BLOCK DIAGRAM AND PIN CONFIGURATION (TOP VIEW)
µ
PC3207GR
U OSC C1
U OSC B2
U OSC B1
U OSC C2
UB
OSC OUT
GND
V OSC B1
V OSC B2
V OSC C1
10
1
2
3
4
5
6
7
8
9
REG
20
19
18
17
16
15
14
13
12
11
URF IN
URF IN
GND
VRF IN
VRF IN
MIX OUT
MIX OUT
V
CC
IF OUT
REG
2
Data Sheet P13717EJ3V0DS00
PIN EXPLANATION
4213
9
8
10
Pin No.SymbolFunction and ExplanationEquivalent Circuit
1UOSC collectorCollector pin of UHF oscillator with balance
(Tr. 1)amplifier. Assemble LC resonator with 2
pin through capacitor ~ 1 pF to oscillate
with active feedback loop.
2UOSC baseBase pin of UHF oscillator with balance
(Tr.2)amplifier. Connected to LC resonator
3UOSC base
(Tr. 1)
4UOSC collectorCollector pin of UHF oscillator with balance
(Tr. 2)amplifier. Assemble LC resonator with 2
5UBSwitching pin for VHF or UHF operation.
6OSC outputUHF and VHF oscillator output pin. In case
through feedback capacitor ~ 360 pF.
pin through capacitor ~ 1 pF to oscillate
with active feedback loop.
Double balanced oscillator with transistor 1
and transistor 2.
VHF operation = open
UHF operation = 9.0 V
of F/S tuner application, connected PLL
symthesizer IC’s input pin.
Grounded through 1.5 kΩ resistor.
6
µ
PC3207GR
1.5 k
* External element
7GNDGND pin of VHF and UHF oscillator.
8VOSC baseBase pin of VHF oscillator.
(Tr. 1)Grounded through capacitor ~ 10 pF.
9VOSC baseBase pin of VHF oscillator.
(Tr. 2)Assemble LC resonator with 10 pin to
oscillate with active feedback loop.
10VOSC collectorCollector pin of VHF oscillator.
(Tr. 1)Connected to LC resonator through
feedback capacitor ~ 3 pF.
Data Sheet P13717EJ3V0DS00
3
Pin No.SymbolFunction and ExplanationEquivalent Circuit
12
11REGMonitor pin of regulator output voltage.
12IF outputIF signal output pin of VHF-UHF band
functions.
13VCCPower supply pin for VHF-UHF band
functions.
14MIXVHF and UHF MIX output pins.
output1These pins should be equipped with tank
15MIX
output2
16VRF inputBypass pin for VHF MIX input.
(bypass)Grounded through capacitor.
circuit to adjust intermediate frequency.
µ
PC3207GR
14 15
1617
17VRF inputVRF signal input pin.
18GNDGND pin of MIX, IF amplifier and
regulator.
19URF inputBypass pin for UHF Mü\œinput.
(bypass)Grounded through capacitor.
20URF inputURF signal input pin.
14 15
2019
4
Data Sheet P13717EJ3V0DS00
µ
PC3207GR
ABSOLUTE MAXIMUM RATINGS (TA = +25 °C UNLESS OTHERWISE SPECIFIED)
ParameterSymbolConditionRatingUnit
Supply Voltage 1VCC11.0V
Supply Voltage 2UB11.0V
Power DissipationPDTA = 75 °C
Operating Ambient TemperatureTA–40 to +75°C
Storage TemperatureTstg–60 to +150°C
Note
500mW
Note Mounted on 50 × 50 × 1.6 mm double epoxy glass board.
RECOMMENDED OPERATING RANGE
ParameterSymbolMIN.TYP.MAX.Unit
Supply Voltage 1VCC8.09.010.0V
Supply Voltage 2UB8.09.010.0V
Operating Ambient TemperatureTA–20+25+75°C