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PMB2330T
2 GHz-Mixer
SIEMENS
2-GHz-Mixer PMB 2330
Preliminary Data Bipolar IC
Features
0 Few external components
0 Low noise
o Low spurious signal content
0 High conversion transconductance uei27
0 Very highly isolated RF, IF and LO ports
0 Good suppression of input signals at output
0 Wide range of supply voltage
P-DSO-8-1
Applications
0 Cellular radio mixer
0 Cordless telephone mixer
o UHFtransceivers
0 RF data links
0 HFNHF/UHF frequency conversion
Type Version Ordering Code Package
PMB 2330 V1.1 Q67000-A6045 P-DSO-8-1 (SMD)
PMB 2330T V1.2 Q67000-A6103 P-DSO-8-1 (SMD)
The PMB 2330 is a low power, monolithic, double balanced mixer similar to S 042 P and TBB 042 G
for frequencies up to 2 GHz.
Circuit Description
The pins RF (7) and W (8) are low resistance inputs of the base coupled difference stage.
The resistor of at least 200 Q may be connected between pins 7 and 6 (ground) and between 8 and
6 to increase the currents (max. 4 mA per pin) and thus the conversion transductance.
The pins 7 (4) and LO (5) are the local oscillator inputs of the mixer.
The connections to the mixer inputs may be symmetrical or asymmetrical coupled, capacitive or
inductive coupled.
The mixer outputs MO (1) and W (2) are high impedance open-collector outputs for frequencies
up to 2 GHz.
Semiconductor Group 1 01.94
SIEMENS
PMB 2330
Pin Configuration
(top view)
lo cc 1 8 CIC 'F
M0 El: 2 7 IE] RF
E III: 3 6 2121 GND
L0 = 4 5 CIC L0
ITP02679
Pin Definitions and Functions
Pin No. Symbol Function
1 MO Mixer output
2 to Mixer output
3 VS Supply voltage
4 E Oscillator input
5 LO Oscillator input
6 GND Ground
7 RF Mixer input
8 IW: Mixer input
Semiconductor Group 2
